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Assignment Of Right Footwell Firewall Fuse And Relay Module - GF54.15-S-1256-39TRA

Model 447 

Model 448 

Shown on model 447.8 

Fig 1: Right Footwell Firewall Fuse And Relay Module - Model 447 (Shown On Model 447.8)
G16501190Courtesy of MERCEDES-BENZ USA
Connection Pin Fuse Circuit Wire Identification Assignment Restrictive validity Rating in amperes (A)
E1 - Pre-fuse A6 (F1fA6) 30 35.0 RD Pre-fuse box (F1) - 250
A1 - Electrical fuse 21 (K40/11f21) 30 16.0 RD PTC heater booster control unit (N33/4) With code HZ0 (Electric auxiliary heater) 200
A2 - Electrical fuse 22 (K40/11f22) 30 25.0 RD On-board electrical system backup battery relay (K120) With CODE MJ8 (ECO start/stop function) 200
Fuse box S1 (K40/11-s1) 1 Electrical fuse 28 (K40/11f28) 15 - Not assigned - -
Fuse box S1 (K40/11-s1) 2 Electrical fuse 29 (K40/11f29) 30 2.5 RDYE Radio (Audio) (N87/2) With CODE EN6 (Audio 10) or with CODE EN7 (Audio 15) 25
Fuse box S1 (K40/11-s1) 2 Electrical fuse 29 (K40/11f29) 30 1.5 RD Electrical connection for radio preinstallation (X39/67) With CODE ER0 (Radio preinstallation) 15
Fuse box S1 (K40/11-s1) 3 Electrical fuse 30 (K40/11f30) 30 1.0 RDBU Steering column tube module control unit (N80) With CODE JW5 (Lane Keeping Assist) 10
Fuse box S1 (K40/11-s1) 4 Electrical fuse 31 (K40/11f31) 30 1.0 RDWH Air conditioning control and operating unit circuit 30 connector sleeve (Z4/32) With CODE HH4 (THERMOTRONIC automatic air conditioning) or with CODE HH9 (TEMPMATIC semi-automatically regulated air conditioning) 10
Fuse box S1 (K40/11-s1) 5 Electrical fuse 32 (K40/11f32) 30g 0.75 RDGY Becker® MAP PILOT control unit (N41) With CODE E1N (Becker MAP PILOT) or with CODE EV6 (Becker MAP PILOT preinstallation) 7, 5
Fuse box S1 (K40/11-s1) 5 Electrical fuse 32 (K40/11f32) 30g 0.75 RDGY Touchpad/central operating unit circuit 30g connector sleeve (Z4/39) With CODE EA1 (Audio 20 CD) or with CODE EA2 (COMAND Online with DVD changer 6-disk) or with CODE EJ9 (COMAND Online) 7, 5
Fuse box S1 (K40/11-s1) 5 Electrical fuse 32 (K40/11f32) 30g 0.75 RDGY Central operating unit (ZBE) control unit (A40) MODEL 447.8 without CODE EA1 (Audio 20 CD) and without CODE EA2 (COMAND Online with DVD changer 6-disk) and without CODE EJ9 (COMAND Online) 7, 5
Fuse box S1 (K40/11-s1) 6 Electrical fuse 33 (K40/11f33) 30g 1.5 RDGN Radio (Audio/COMAND) (N87/6) With CODE EA1 (Audio 20 CD) or with CODE EA2 (COMAND Online with DVD changer 6-disk) or with CODE EJ8 (Audio 20 USB) or with CODE EJ9 (COMAND Online) or with CODE ZJ1 (Japan version) 15
Fuse box S1 (K40/11-s1) 6 Electrical fuse 33 (K40/11f33) 30g 0.5 RDGN Radio (Audio) (N87/2) With CODE EN6 (Audio 10) or with CODE EN7 (Audio 15) 5
Fuse box S1 (K40/11-s1) 7 Electrical fuse 34 (K40/11f34) 15R2 2.5 BKYE Electrical connection for front cigarette lighter with illumination (X58/19) - 15
Fuse box S2 (K40/11-s2) 1 Electrical fuse 36 (K40/11f36) 30g 0.75RDGN Driver seat adjustment control unit with memory (N32/5) With code SF1 (Electrically adjustable driver's seat) 7, 5
Fuse box S2 (K40/11-s2) 1 Electrical fuse 36 (K40/11f36) 30g 0.75RDGN Driver seat heater/ventilation control unit (N32/3) With code H16 (Driver seat heater) and without code SF1 (Electrically adjustable driver's seat) and without code SB5 (Rotating comfort driver seat) and without code SE5 (Driver's seat lumbar support) 7, 5
Fuse box S2 (K40/11-s2) 1 Electrical fuse 36 (K40/11f36) 30g 0.75RDGN Driver seat heater/lumbar support circuit 30g connector sleeve (Z4/35) With CODE SE5 (Driver seat lumbar support) 7, 5
Fuse box S2 (K40/11-s2) 2 Electrical fuse 37 (K40/11f37) 30g 4.0 RDBU Engine compartment fuse and relay module (K40/10) - 30
Fuse box S2 (K40/11-s2) 3 Electrical fuse 38 (K40/11f38) 30g 0.75 RDBK Supplemental Restraint System (SRS) control unit (N2/18) - 7, 5
Fuse box S2 (K40/11-s2) 4 Electrical fuse 39 (K40/11f39) 30g 0.5 RDWH Digital Audio Broadcasting control unit (DAB) (N160) With CODE E1D (Digital radio) 5
Fuse box S2 (K40/11-s2) 5 Electrical fuse 40 (K40/11f40) 30g - Not assigned - -
Fuse box S2 (K40/11-s2) 6 Electrical fuse 41 (K40/11f41) 30g - Not assigned - -
Fuse box S2 (K40/11-s2) 7 Electrical fuse 42 (K40/11f42) 30g 0.75RDYE Front passenger seat adjustment control unit with memory (N32/6) With code SF2 (Electrically adjustable front passenger seat) 7, 5
Fuse box S2 (K40/11-s2) 7 Electrical fuse 42 (K40/11f42) 30g 0.75RDYE Front passenger seat lumbar support adjustment switch (S204/1) With CODE SE4 (Front passenger seat lumbar support) 7, 5
Fuse box S3 (K40/11-s3) 1 Electrical fuse 49 (K40/11f49) 30g 0.5 RDBU Steering column tube module control unit (N80) - 5
Fuse box S3 (K40/11-s3) 2 Electrical fuse 50 (K40/11f50) 30g 0.75 RDGN Audio/COMAND display control unit (A40/8) With CODE EA1 (Audio 20 CD) or with CODE EA2 (COMAND Online with DVD changer 6-disk) or with CODE EJ8 (Audio 20 USB) or with CODE EJ9 (COMAND Online) or with CODE ZJ1 (Japan version) 7, 5
Fuse box S3 (K40/11-s3) 3 Electrical fuse 51 (K40/11f51) 30g 0.5 RDGY Mobile phone contact plate (A34/7) With CODE EH4 (Comfort telephony) 5
Fuse box S3 (K40/11-s3) 4 Electrical fuse 52 (K40/11f52) 30g 0.5 RDWH Multimedia connection unit (A36) With CODE EA1 (Audio 20 CD) or with CODE EA2 (COMAND Online with DVD changer 6-disk) or with CODE EJ8 (Audio 20 USB) or with CODE EJ9 (COMAND Online) or with CODE ZJ1 (Japan version) 5
Fuse box S3 (K40/11-s3) 5 Electrical fuse 53 (K40/11f53) - - - With code EQ3 (Preinstallation for toll system) 7, 5
Fuse box S3 (K40/11-s3) 6 Electrical fuse 54 (K40/11f54) 30 4.0 RDWH Blower motor (M2) - 30
Fuse box S3 (K40/11-s3) 7 Electrical fuse 55 (K40/11f55) 30 2.5 PKRD Electric steering lock control unit (N26/5) Without CODE G42 (7G-TRONIC PLUS) 20
Fuse box S4 (K40/11-s4) 1 Electrical fuse 64 (K40/11f64) 30 2.5 RDWH Left front door control unit (N69/3) - 30
Fuse box S4 (K40/11-s4) 2 Electrical fuse 65 (K40/11f65) 30 2.5 RDBU Right front door control unit (N69/4) - 30
Fuse box S4 (K40/11-s4) 3 Electrical fuse 66 (K40/11f66) 15R1 1.5 BKVT Rear window wiper 2 relay (K10) With code W50 (Two-wing rear-end door, 180 degrees without window) or with code W54 (Two-wing rear-end door, 270 degrees) and with code W78 (Window in liftgate or hinged rear door with wiper and washer system) 20
Fuse box S4 (K40/11-s4) 3 Electrical fuse 66 (K40/11f66) 15R1 1.5 BKVT Right rear-end door wiper motor (M6/11) With code W50 (Two-wing rear-end door, 180 degrees without window) or with code W54 (Two-wing rear-end door, 270 degrees) and with code W78 (Window in liftgate or hinged rear door with wiper and washer system) 20
Fuse box S4 (K40/11-s4) 4 Electrical fuse 67 (K40/11f67) 15R1 1.5 BKYE Electric parking brake (EFB) control unit (A13) Model 447.8 7, 5
Fuse box S4 (K40/11-s4) 5 Electrical fuse 68 (K40/11f68) 15R1 0.75 BKPK Supplemental Restraint System (SRS) control unit (N2/18) - 7, 5
Fuse box S4 (K40/11-s4) 6 Electrical fuse 69 (K40/11f69) 15R1 0.5 BKGY Front passenger seat, seat occupancy recognition (B48/5) Without code SK5 (Automatic front passenger airbag deactivation) 5
Fuse box S4 (K40/11-s4) 6 Electrical fuse 69 (K40/11f69) 15R1 0.5 BKGY Weight sensing system (WSS) control unit (N110) With code SK5 (Automatic front passenger airbag deactivation) and with code SB6 (Rotatable comfort front passenger seat) 5
Fuse box S4 (K40/11-s4) 7 Electrical fuse 70 (K40/11f70) 15R2 - Not assigned - -
Fuse box S5 (K40/11-s5) 1 Electrical fuse 71 (K40/11f71) 15R2 - Not assigned - -
Fuse box S5 (K40/11-s5) 2 Electrical fuse 72 (K40/11f72) 15R2 1.5 BKRD Load compartment socket, right rear (X58/12) With CODE ES2 (Trunk/load compartment 12V socket) 15
Fuse box S5 (K40/11-s5) 3 Electrical fuse 73 (K40/11f73) 30 4.0 RDBU Electric parking brake (EFB) control unit (A13) Model 447.8 30
Fuse box S5 (K40/11-s5) 4 Electrical fuse 74 (K40/11f74) 30 4.0 RDGN Left sliding door control unit (E-LSTL) (N69/7) With code (T56) Electrical actuator for left sliding door 30
          Right sliding door control unit (E-LSTR) (N69/6) With code T55 (Electric operation for right sliding door)  
Fuse box S5 (K40/11-s5) 5 Electrical fuse 75 (K40/11f75) 30 1.5 RDBN Trailer recognition control unit (AAG) (N28/1) With CODE E57 (Electrical system for trailer socket) or with CODE Q22 (Trailer hitch, non-removable ball head) or with CODE Q50 (Trailer hitch, removable ball head) 15
Fuse box S5 (K40/11-s5) 6 Electrical fuse 76 (K40/11f76) 30 2.5 RDGN Trailer recognition control unit (AAG) (N28/1) With CODE E57 (Electrical system for trailer socket) or with CODE Q22 (Trailer hitch, non-removable ball head) or with CODE Q50 (Trailer hitch, removable ball head) 25
Fuse box S5 (K40/11-s5) 7 Electrical fuse 77 (K40/11f77) 30 2.5 RDGY Trailer recognition control unit (AAG) (N28/1) With CODE E57 (Electrical system for trailer socket) or with CODE Q22 (Trailer hitch, non-removable ball head) or with CODE Q50 (Trailer hitch, removable ball head) 25
S6 1 Electrical fuse 23 (K40/11f23) 15 - Not assigned - -
S7 1 Electrical fuse 24 (K40/11f24) 15 0.75 BK Trailer recognition control unit (AAG) (N28/1) With code Q22 (Trailer hitch, non-removable ball head) or with code Q50 (Trailer hitch, removable ball head) 7, 5
S8 1 Electrical fuse 25 (K40/11f25) 30 1.5 RDBU Backup battery (G1/12) With CODE MJ8 (ECO start/stop function) 10
S8 1 Electrical fuse 25 (K40/11f25) 30 1.5 RDBU Emergency-P battery (G1/13) With code G42 (7G-TRONIC PLUS) and without code MJ8 (ECO start/stop function) 10
S9 1 Electrical fuse 26 (K40/11f26) 15 1.5 BK Trailer recognition control unit (AAG) (N28/1) With code Q22 (Trailer hitch, non-removable ball head) or with code Q50 (Trailer hitch, removable ball head) 15
Fuse box S10 (K40/11-s10) 1 Electrical fuse 27 (K40/11f27) 15 0.5 BKGY Fuse and relay module, front passenger footwell (K40/12) With code ED5 (Parameterizable special module) or with code JD1 (Tachograph with digital technology) or with code JV6 (Tachograph preinstallation) or with code T55 (Electric actuator for right sliding door) or with code ZK2 (Taxi version with emergency alarm system) or with code ZK3 (Taxi version without emergency alarm system) or with 5
            code ZK7 (MARCO POLO equipment line) or with code ZM7 (Rental vehicle package with emergency alarm system) or with code ZM8 (Rental vehicle package)  
Fuse box S11 (K40/11-s11) 1 Electrical fuse 35 (K40/11f35) - 2.5 GY Rear window heater (R1) With code W65 (Liftgate) and with code W78 (Window in liftgate/hinged rear door with wash and wipe system) 30
Fuse box S11 (K40/11-s11) 1 Electrical fuse 35 (K40/11f35) - 2.5 GY Left rear-end door rear window heater (R1/1) and right rear-end door rear window heater (R1/2) With code W78 (Window in liftgate/hinged rear door with wash and wipe system) and without code W65 (Liftgate) 30
Fuse box S11 (K40/11-s11) 1 Electrical fuse 35 (K40/11f35) - 2.5 GY Rear window heater (R1/3) With CODE W64 (Separately opening rear window) 30
Fuse box S12 (K40/11-s12) 1 Electrical fuse 43 (K40/11f43) 30g - Not assigned - -
Fuse box S13 (K40/11-s13) 1 Electrical fuse 44 (K40/11f44) 30g 4.0 RDYE Left front reversible emergency tensioning retractor (A76) With CODE JP1 (PRE-SAFE) 40
Fuse box S14 (K40/11-s14) 1 Electrical fuse 45 (K40/11f45) 30g 4.0 RDWH Right front reversible emergency tensioning retractor (A76/1) With CODE JP1 (PRE-SAFE) 40
Fuse box S15 (K40/11-s15) 1 Electrical fuse 46 (K40/11f46) - 1.5 RDPK AdBlue® (SCR) control unit (N141) With code MA6 (Low-emission vehicle Euro 6 Standard Gr. III) 10
Fuse box S16 (K40/11-s16) 1 Electrical fuse 47 (K40/11f47) - 2.5 PKGN AdBlue® (SCR) control unit (N141) With code MA6 (Low-emission vehicle Euro 6 Standard Gr. III) 20
Fuse box S17 (K40/11-s17) 1 Electrical fuse 48 (K40/11f48) - 1.5 RDGY AdBlue® (SCR) control unit (N141) With code MA6 (Low-emission vehicle Euro 6 Standard Gr. III) 15
Fuse box S18 (K40/11-s18) 1 Electrical fuse 56 (K40/11f56) 30 1.5 PKRD SCRCM exhaust aftertreatment relay (K40/11kG) With code MA6 (Low-emission vehicle Euro 6 Standard Gr. III) 15
Fuse box S19 (K40/11-s19) 1 Electrical fuse 57 (K40/11f57) 30 2.5 RD Warm air stationary heater control unit (WLSTH) (N33/5) With code HZ1 (Auxiliary heater (warm air)) 25
Fuse box S20 (K40/11-s20) 1 Electrical fuse 58 (K40/11f58) - - Not assigned - -
Fuse box S21 (K40/11-s21) 1 Electrical fuse 59 (K40/11f59) 30 2.5RDGY Front passenger seat adjustment control unit with memory (N32/6) With code SF2 (Electrically adjustable front passenger seat) 30
Fuse box S22 (K40/11-s22) 1 Electrical fuse 60 (K40/11f60) 30 2.5 RDWH Driver seat heater/ventilation control unit (N32/3) With CODE H16 (Driver seat heater) and without CODE ZM3 (Right-hand drive vehicle version) 30
Fuse box S22 (K40/11-s22) 1 Electrical fuse 60 (K40/11f60) 30 2.5RDGY Driver seat heater/ventilation control unit (N32/4) With CODE H16 (Driver seat heater) and with CODE ZM3 (Right-hand drive vehicle version) 30
Fuse box S22 (K40/11-s22) 1 Electrical fuse 60 (K40/11f60) 30 2.5RDGY Driver seat adjustment control unit with memory (N32/5) With code SF1 (Electrically adjustable driver's seat) 30
Fuse box S23 (K40/11-s23) 1 Electrical fuse 61 (K40/11f61) 30 4.0 RDVT Sound system amplifier control unit (N40/3) With CODE E65 (Burmester surround sound system) 40
Fuse box S24 (K40/11-s24) 1 Electrical fuse 62 (K40/11f62) 30 1.0 RDGN Additional turn signal module control unit (N9/1) With CODE L84 (Additional turn signal lamps on rear of roof) 10
Fuse box S25 (K40/11-s25) 1 Electrical fuse 63 (K40/11f63) 30 2.5 RD Fuel system control unit (FSCU) (N118) - 20
Fuse box S26 (K40/11-s26) 1 Electrical fuse 78 (K40/11f78) 30 2.5 RDBK Panoramic sliding roof electrical connection (X308) With CODE D34 (Electric tilting/sliding glass roof, fixed panoramic roof) 30
Fuse box S27 (K40/11-s27) 1 Electrical fuse 79 (K40/11f79) 30 4.0 RDBU Signal acquisition and actuation module (SAM) control unit (N10/1) - 40
Fuse box S28 (K40/11-s28) 1 Electrical fuse 80 (K40/11f80) 30 4.0 RDGY Signal acquisition and actuation module (SAM) control unit (N10/1) - 40
Fuse box S29 (K40/11-s29) 1 Electrical fuse 81 (K40/11f81) 30 4.0 RDOG Rear-end heating/air conditioning air recirculation unit (A32/4) With code H13 (Rear additional heat exchanger) or with code HZ7 (Semi-automatically regulated air conditioning, TEMPMATIC in rear) 30
P1 1 Electrical fuse 95 (K40/11f95) 15R1 0.5 PKYE Glove compartment electrical connection (X21) With code F66 (Glove compartment, lockable) 5
P1 2 - - - Not assigned - -
P1 3 Electrical fuse 94 (K40/11f94) 15R1 - Not assigned - -
P1 4 Electrical fuse 87 (K40/11f87) 30 0.75 RDOG Diagnostic connector (X11) - 10
P1 5 Electrical fuse 88 (K40/11f88) 30 0.75 RDGY Instrument cluster (IC) control unit (A1/1) - 10
P1 6 Electrical fuse 86 (K40/11f86) 30 0.75 RDPK FM, AM antenna amplifier (A2/18) - 5
P1 7 Electrical fuse 93 (K40/11f93) 15R1 0.75 BKYE Electrical connection for radio preinstallation (X39/67) With CODE ER0 (Radio preinstallation) 7, 5
P1 7 Electrical fuse 93 (K40/11f93) - - - With code EQ3 (Preinstallation for toll system) 7, 5
P1 8 Electrical fuse 85 (K40/11f85) 30 0.75 RDBN Stationary heater timer (N34) With code HZ1 (Auxiliary heater (warm air)) or with code H12 (Auxiliary water heater) 7, 5
P1 8 Electrical fuse 85 (K40/11f85) 30 0.75 RDBN Stationary water heater radio remote control receiver (A49/5) With code HY1 (Radio remote control for auxiliary heater) 7, 5
P1 8 Electrical fuse 85 (K40/11f85) 30 0.75 RDBN Air stationary heater radio remote control receiver (A49/6) With CODE HY2 (Radio remote control for warm air auxiliary heater) 7, 5
P1 8 Electrical fuse 85 (K40/11f85) 30 0.75 RDBN Communications module control unit (N161) With CODE J49 (COM module) 7, 5
P1 9 - - 0.35 GY Air conditioning control and operating unit (AAC-V & AAC-H) (S98) Model 447.6/7 with code W78 (Window in liftgate or hinged rear door with wiper and washer system) -
P1 9 - - 0.35 GY Signal acquisition and actuation module (SAM) control unit (N10/1) Model 447.8 with code W64 (Separately opening rear window) or with code W78 (Window in liftgate or hinged rear door with wiper and washer system) -
P1 10 Electrical fuse 84 (K40/11f84) 30 0.75RDYE Upper control panel control unit (UCP) (N72/1) MODEL 447.6/7 except CODE JW5 (Lane Keeping Assist) and without CODE EZ7 (Active Parking Assist) and without CODE MW1 (Engine run-on control (MWS)) and without CODE ZK2 (Taxi version with emergency alarm system) and without CODE ZK3 (Taxi version without emergency alarm system) 7, 5
P1 10 Electrical fuse 84 (K40/11f84) 30 0.75RDYE Upper control panel control unit (UCP) (N72/2) Model 447.8 without code JW5 (Lane Keeping Assist) and without code EZ7 (Active Parking Assist) and without code JS1 (360° camera) and without code MW1 (Engine run-on control (MWS)) and without code ZK2 (Taxi version with emergency alarm system) and without code ZK3 (Taxi version without emergency alarm system) 7, 5
P1 10 Electrical fuse 84 (K40/11f84) 30 0.75RDYE Driver assistance systems operating panel control unit (N74) With code JW5 (Lane Keeping Assist) or with code EZ7 (Active Parking Assist) or with code JS1 (360° camera) or with code MW1 (Engine run-on control (MWS)) or with code ZK2 (Taxi version with emergency alarm system) or with code ZK3 (Taxi version without emergency alarm system) 7, 5
P1 11 - - - Not assigned - -
P1 12 Electrical fuse 83 (K40/11f83) 30 0.75 RDWH Electronic ignition lock (EIS) control unit (N73) - 7, 5
P1 13 Electrical fuse 89 (K40/11f89) 15 0.75 RDBK Illumination switch (S1) Model 447.6/7 5
P1 13 Electrical fuse 89 (K40/11f89) 15 0.75 RDBK Illumination switch (S1/2) Model 447.8 5
P1 13 Electrical fuse 89 (K40/11f89) 15 - Diagnostic connector (X11) Model 447 -
P1 14 Electrical fuse 82 (K40/11f82) 30 0.5 RDBU Gateway for user interface-CAN (N93/4) Model 447.8 5
P2 1 - 15R1 0.5 BKPK Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P2 2 - - - Not assigned - -
P2 3 - 15R2 0.5 BKYE Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P2 4 - - - Not assigned - -
P2 5 Electrical fuse 96 (K40/11f96) 15R1 1.5 BKVT Liftgate wiper motor (M6/12) With CODE W78 (Window in liftgate or hinged rear door with wiper and washer system) 15
P2 5 Electrical fuse 96 (K40/11f96) 15R1 1.5 BKVT Wiper motor of separately opening rear window (M6/13) With CODE W64 (Separately opening rear window) 15
P2 6 Electrical fuse 92 (K40/11f92) 15 0.5 BKOG Fuel system control unit (FSCU) (N118) - 5
P2 7 - - - Not assigned - -
P2 8 Electrical fuse 91 (K40/11f91) 15 0.5 BKYE AdBlue® (SCR) control unit (N141) - 5
P2 9 - 31 1.5 BN Left vehicle interior firewall ground point (W43/1) With CODE ZM3 (Right-hand drive vehicle version) -
P2 9 - 31 1.5 BN Right vehicle interior firewall ground point (W43/2) Without CODE ZM3 (Right-hand drive vehicle version) -
P2 10 Electrical fuse 90 (K40/11f90) 15 0.5 BKYE Left rear Blind Spot Assist radar sensor (B161/3) With CODE JA7 (Blind Spot Assist) 5
P2 10 Electrical fuse 90 (K40/11f90) 15 0.5 BKYE Right rear Blind Spot Assist radar sensor (B161/4) With CODE JA7 (Blind Spot Assist) 5
P2 11 - - 0.5 BNWH Signal acquisition and actuation module (SAM) control unit (N10/1) With code W64 (Separately opening rear window) or with code W78 (Window in liftgate or hinged rear door with wiper and washer system) -
P2 12 - - 0.5 BKGY Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P2 13 - - 0.75 BNGN Liftgate wiper motor (M6/12) With CODE W78 (Window in liftgate or hinged rear door with wiper and washer system) -
P2 13 - - 0.75 BNGN Wiper motor of separately opening rear window (M6/13) With CODE W64 (Separately opening rear window) -
P2 14 - - 1.5 RDWH Signal acquisition and actuation module (SAM) control unit (N10/1) With CODE MJ8 (ECO start/stop function) -
P3 1 Electrical fuse
103
(K40/11f103)
30 0.5 RDOG Automatically dimming inside rear-view mirror/mirror taximeter (A67/2) With CODE ZK2 (Taxi version with emergency alarm system) or with CODE ZK3 (Taxi version without emergency alarm system) or with CODE ZM7 (Rental car package with emergency alarm system) or with CODE ZM8 (Rental car package) 5
P3 1 Electrical fuse
103
(K40/11f103)
30 0.5 RDOG Electrical connection, taximeter (X231) With CODE ZK2 (Taxi version with emergency alarm system) or with CODE ZK3 (Taxi version without emergency alarm system) or with CODE ZM7 (Rental car package with emergency alarm system) or with CODE ZM8 (Rental car package) 5
P3 2 - - 0.35 BNGN Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P3 3 - - - Not assigned - -
P3 4 - - 0.35 RDGN Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P3 5 Electrical fuse
101
(K40/11f101)
30 1.0 RDVT Overhead control panel control unit (OCP) (N70) - 10
P3 6 - - 0.35 RDBU Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P3 7 Electrical fuse
100
(K40/11f100)
30g 0.5 RDGY Sound system amplifier control unit (N40/3) With CODE E65 (Burmester surround sound system) 5
P3 8 - - 0.35 BNBU Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P3 9 Electrical fuse 99 (K40/11f99) 30g 0.5 RDWH Tire pressure monitor (TPM) control unit (N88/1) With CODE RY2 (Tire pressure monitor) 5
P3 10 - - - Not assigned - -
P3 11 Electrical fuse 98 (K40/11f98) 30g 0.5 BUGN Signal acquisition and actuation module (SAM) control unit (N10/1) - 5
P3 12 - - - Not assigned - -
P3 13 Electrical fuse 97 (K40/11f97) 30g 0.5 BKRD PARKTRONIC control unit (PTS) (N62) With CODE EZ7 (Active Parking Assist) 5
P3 14 - - - Not assigned - -
P4 1 Electrical fuse
110
(K40/11f110)
30 4.0 RDYE Signal acquisition and actuation module (SAM) control unit (N10/1) - 30
P4 2 - - - Not assigned - -
P4 3 Electrical fuse
108
(K40/11f108)
30g 0.75 RDBU Reversing camera (RFK) control unit (B84/3) MODEL 447.6/7 with CODE FR8 (Reversing camera) 7, 5
P4 3 Electrical fuse
108
(K40/11f108)
30g 0.75 RDBU Reversing camera (RFK) control unit (B84/5) MODEL 447.8 with CODE FR8 (Reversing camera) 7, 5
P4 3 Electrical fuse
108
(K40/11f108)
30g 0.75 RDBU Camera cover (KAB) control unit (N144) With code FR8 (Reversing camera) and with code W65 (Liftgate) or with code JS1 (360° camera) 7, 5
P4 3 Electrical fuse
108
(K40/11f108)
30g 0.75 RDBU 360° camera control unit (N153) With CODE JS1 (360° camera) 7, 5
P4 4 Electrical fuse
107
(K40/11f107)
30g - - With code EC0 (eCall Russia (ERA GLONASS) incl. camera) 5
P4 5 Electrical fuse 56 (K40/11f56) 30 1.5 PKRD Fuse box S18 (K40/11-s18) With code MB6 (Low-emission vehicle Euro 6 Standard Gr. 1) 15
P4 6 Electrical fuse
106
(K40/11f106)
30g 0.75 RDBK Multifunction camera (MFK) control unit (B84/8) With CODE JA9 (Traffic Sign Assist) or with CODE JW5 (Lane Keeping Assist) or with CODE LA2 (Headlamp Assist) or with CODE LG2 (LED Intelligent Light System) 5
P4 7 - - - Not assigned - -
P4 8 - - - Not assigned - -
P4 9 - - 0.5 PKBU AdBlue® (SCR) control unit (N141) With code MA6 (Low-emission vehicle Euro 6 Standard Gr. III) -
P4 10 - - - Not assigned - -

Legend 

Model 448 

Connection Pin Fuse Circuit Wire Identification Assignment Restrictive validity Rating in amperes (A)
E1 - Pre-fuse A6 (F1fA6) 30 35.0 RD Pre-fuse box (F1) - 250
A1 - - - - Not assigned - -
A2 - Electrical fuse 30 25.0 RD On-board electrical system With CODE MJ8 (ECO start/stop function) 200
    22 (K40/11f22)     backup battery relay (K120)    
Fuse box S1 (K40/11-s1) 1 Electrical fuse 28 (K40/11f28) 15 - Not assigned - -
Fuse box S1 (K40/11-s1) 2 Electrical fuse 29 (K40/11f29) 30 1.5 RD Electrical connection for radio preinstallation (X39/67) With CODE ER0 (Radio preinstallation) 15
Fuse box S1 (K40/11-s1) 2 Electrical fuse 29 (K40/11f29) 30 - - With CODE EA2 (COMAND Online with 6-disk DVD changer) 25
Fuse box S1 (K40/11-s1) 3 Electrical fuse 30 (K40/11f30) 30 1.0 RDBU Steering column tube module control unit (N80) With CODE JW5 (Lane Keeping Assist) 10
Fuse box S1 (K40/11-s1) 4 Electrical fuse 31 (K40/11f31) 30 1.0 RDWH Air conditioning control and operating unit circuit 30 connector sleeve (Z4/32) With code HH4 (THERMOTRONIC automatic air conditioning) 10
Fuse box S1 (K40/11-s1) 4 Electrical fuse 31 (K40/11f31) 30 1.0 RDWH Air conditioning control and operating unit (AAC-V & AAC-H) (S98) Model 448.7 with code HH4 (THERMOTRONIC automatic air conditioning) 10
Fuse box S1 (K40/11-s1) 5 Electrical fuse 32 (K40/11f32) 30g 0.75 RDGY Touchpad/central operating unit circuit 30g connector sleeve (Z4/39) With CODE EA2 (COMAND Online with 6-disk DVD changer) 7, 5
Fuse box S1 (K40/11-s1) 6 Electrical fuse 33 (K40/11f33) 30g 1.5 RDGN Radio (Audio/COMAND) (N87/6) With CODE EA2 (COMAND Online with 6-disk DVD changer) 15
Fuse box S1 (K40/11-s1) 7 Electrical fuse 34 (K40/11f34) 15R2 2.5 BKYE Electrical connection for front cigarette lighter with illumination (X58/19) - 15
Fuse box S2 (K40/11-s2) 1 Electrical fuse 36 (K40/11f36) 30g 0.75RDGN Driver seat adjustment control unit with memory (N32/5) With code SF1 (Electrically adjustable driver's seat) 7, 5
Fuse box S2 (K40/11-s2) 2 Electrical fuse 37 (K40/11f37) 30g 4.0 RDBU Engine compartment fuse and relay module (K40/10) - 30
Fuse box S2 (K40/11-s2) 3 Electrical fuse 38 (K40/11f38) 30g 0.75 RDBK Supplemental Restraint System (SRS) control unit (N2/18) - 7, 5
Fuse box S2 (K40/11-s2) 4 Electrical fuse 39 (K40/11f39) 30g - Not assigned - -
Fuse box S2 (K40/11-s2) 5 Electrical fuse 40 (K40/11f40) 30g - Not assigned - -
Fuse box S2 (K40/11-s2) 6 Electrical fuse 41 (K40/11f41) 30g - Not assigned - -
Fuse box S2 (K40/11-s2) 7 Electrical fuse 42 (K40/11f42) 30g 0.75RDYE Front passenger seat adjustment control unit with memory (N32/6) With code SF2 (Electrically adjustable front passenger seat) 7, 5
Fuse box S3 (K40/11-s3) 1 Electrical fuse 49 (K40/11f49) 30g 0.5 RDBU Steering column tube module control unit (N80) - 5
Fuse box S3 (K40/11-s3) 2 Electrical fuse 50 (K40/11f50) 30g 0.75 RDGN Audio/COMAND display control unit (A40/8) With CODE EA2 (COMAND Online with 6-disk DVD changer) 7, 5
Fuse box S3 (K40/11-s3) 3 Electrical fuse 51 (K40/11f51) 30g - Not assigned - -
Fuse box S3 (K40/11-s3) 4 Electrical fuse 52 (K40/11f52) 30g 0.5 RDWH Multimedia connection unit (A36) With CODE EA2 (COMAND Online with 6-disk DVD changer) 5
Fuse box S3 (K40/11-s3) 5 Electrical fuse 53 (K40/11f53) 30g - Not assigned - -
Fuse box S3 (K40/11-s3) 6 Electrical fuse 54 (K40/11f54) 30 4.0 RDWH Blower motor (M2) - 30
Fuse box S3 (K40/11-s3) 7 Electrical fuse 55 (K40/11f55) 30 - Not assigned - -
Fuse box S4 (K40/11-s4) 1 Electrical fuse 64 (K40/11f64) 30 2.5 RDWH Left front door control unit (N69/3) - 30
Fuse box S4 (K40/11-s4) 2 Electrical fuse 65 (K40/11f65) 30 2.5 RDBU Right front door control unit (N69/4) - 30
Fuse box S4 (K40/11-s4) 3 Electrical fuse 66 (K40/11f66) 15R1 - Not assigned - -
Fuse box S4 (K40/11-s4) 4 Electrical fuse 67 (K40/11f67) 15R1 1.5 BKYE Electric parking brake (EFB) control unit (A13) Model 448.8 7, 5
Fuse box S4 (K40/11-s4) 5 Electrical fuse 68 (K40/11f68) 15R1 0.75 BKPK Supplemental Restraint System (SRS) control unit (N2/18) - 7, 5
Fuse box S4 6 Electrical fuse 15R1 - Not assigned - -
(K40/11-s4)   69 (K40/11f69)          
Fuse box S4 (K40/11-s4) 7 Electrical fuse 70 (K40/11f70) 15R2 - Not assigned - -
Fuse box S5 (K40/11-s5) 1 Electrical fuse 71 (K40/11f71) 15R2 - Not assigned - -
Fuse box S5 (K40/11-s5) 2 Electrical fuse 72 (K40/11f72) 15R2 1.5 BKRD Load compartment socket, right rear (X58/12) With CODE ES2 (Trunk/load compartment 12V socket) 15
Fuse box S5 (K40/11-s5) 3 Electrical fuse 73 (K40/11f73) 30 4.0 RDBU Electric parking brake (EFB) control unit (A13) Model 448.8 30
Fuse box S5 (K40/11-s5) 4 Electrical fuse 74 (K40/11f74) 30 4.0 RDGN Left sliding door control unit (E-LSTL) (N69/7) With code (T56) Electrical actuator for left sliding door 30
Fuse box S5 (K40/11-s5) 5 Electrical fuse 75 (K40/11f75) 30 - Not assigned - -
Fuse box S5 (K40/11-s5) 6 Electrical fuse 76 (K40/11f76) 30 - Not assigned - -
Fuse box S5 (K40/11-s5) 7 Electrical fuse 77 (K40/11f77) 30 - Not assigned - -
S6 1 Electrical fuse 23 (K40/11f23) 15 - Not assigned - -
S7 1 Electrical fuse 24 (K40/11f24) 15 - Not assigned - -
S8 1 Electrical fuse 25 (K40/11f25) 30 1.5 RDBU Backup battery (G1/12) With CODE MJ8 (ECO start/stop function) 10
S9 1 Electrical fuse 26 (K40/11f26) 15 - - - -
Fuse box S10 (K40/11-s10) 1 Electrical fuse 27 (K40/11f27) 15 0.5 BKGY Fuse and relay module, front passenger footwell (K40/12) With code ED5 (Parameterizable special module) or with code T55 (Electric actuator for right sliding door) 5
Fuse box S11 (K40/11-s11) 1 Electrical fuse 35 (K40/11f35) - 2.5 GY Rear window heater (R1) With code W65 (Liftgate) and with code W78 (Window in liftgate/hinged rear door with wash and wipe system) 30
Fuse box S12 (K40/11-s12) 1 Electrical fuse 43 (K40/11f43) 30g RDVT Driver seat Tablet PC electrical connector (X54/50), front passenger seat Tablet PC electrical connector (X54/51) With code EM4 (Rear Seat Entertainment) 10
Fuse box S13 (K40/11-s13) 1 Electrical fuse 44 (K40/11f44) 30g 4.0 RDYE Left front reversible emergency tensioning retractor (A76) With CODE JP1 (PRE-SAFE) 40
Fuse box S14 (K40/11-s14) 1 Electrical fuse 45 (K40/11f45) 30g 4.0 RDWH Right front reversible emergency tensioning retractor (A76/1) With CODE JP1 (PRE-SAFE) 40
Fuse box S15 (K40/11-s15) 1 Electrical fuse 46 (K40/11f46) - - Not assigned - -
Fuse box S16 (K40/11-s16) 1 Electrical fuse 47 (K40/11f47) - - Not assigned - -
Fuse box S17 (K40/11-s17) 1 Electrical fuse 48 (K40/11f48) - - Not assigned - -
Fuse box S18 (K40/11-s18) 1 Electrical fuse 56 (K40/11f56) 30 - Not assigned - -
Fuse box S19 (K40/11-s19) 1 Electrical fuse 57 (K40/11f57) 30 - Not assigned - -
Fuse box S20 (K40/11-s20) 1 Electrical fuse 58 (K40/11f58) 30 - Not assigned - -
Fuse box S21 (K40/11-s21) 1 Electrical fuse 59 (K40/11f59) 30 2.5RDGY Front passenger seat adjustment control unit with memory (N32/6) With code SF2 (Electrically adjustable front passenger seat) 30
Fuse box S22 (K40/11-s22) 1 Electrical fuse 60 (K40/11f60) 30 2.5 RDWH Driver seat adjustment control unit with memory (N32/5) With CODE SF1 (Electrically adjustable luxury driver seat) 30
Fuse box S23 (K40/11-s23) 1 Electrical fuse 61 (K40/11f61) 30 4.0 RDVT Sound system amplifier control unit (N40/3) With CODE E65 (Burmester surround sound system) 40
Fuse box S24 (K40/11-s24) 1 Electrical fuse 62 (K40/11f62) 30 - Not assigned - -
Fuse box S25 (K40/11-s25) 1 Electrical fuse 63 (K40/11f63) 30 2.5 RD Fuel system control unit (FSCU) (N118) - 20
Fuse box S26 (K40/11-s26) 1 Electrical fuse 78 (K40/11f78) 30 2.5 RDBK Panoramic sliding roof electrical connection (X308) With CODE D34 (Electric tilting/sliding glass roof, fixed panoramic roof) 30
Fuse box S27 (K40/11-s27) 1 Electrical fuse 79 (K40/11f79) 30 4.0 RDBU Signal acquisition and actuation module (SAM) control unit (N10/1) - 40
Fuse box S28 (K40/11-s28) 1 Electrical fuse 80 (K40/11f80) 30 4.0 RDGY Signal acquisition and actuation module (SAM) control unit (N10/1) - 40
Fuse box S29 (K40/11-s29) 1 Electrical fuse 81 (K40/11f81) 30 4.0 RDOG Rear-end heating/air conditioning air recirculation unit (A32/4) With code HZ7 (TEMPMATIC semi-automatically controlled air conditioning, in rear) 30
P1 1 Electrical fuse 95 (K40/11f95) 15R1 0.5 PKYE Glove compartment electrical connection (X21) With code F66 (Glove compartment, lockable) 5
P1 2 - - - Not assigned - -
P1 3 Electrical fuse 94 (K40/11f94) - - Not assigned - -
P1 4 Electrical fuse 87 (K40/11f87) 30 0.75 RDOG Diagnostic connector (X11) - 10
P1 5 Electrical fuse 88 (K40/11f88) 30 0.75 RDGY Instrument cluster (IC) control unit (A1/1) - 10
P1 6 Electrical fuse 86 (K40/11f86) 30 0.75 RDPK FM, AM antenna amplifier (A2/18) - 5
P1 7 Electrical fuse 93 (K40/11f93) 15R1 0.75 BKYE Electrical connection for radio preinstallation (X39/67) With CODE ER0 (Radio preinstallation) 7, 5
P1 8 Electrical fuse 85 (K40/11f85) - - Not assigned - -
P1 9 - - 0.35 GY Air conditioning control and operating unit (AAC-V & AAC-H) (S98) Model 448.7 with code W78 (Window in liftgate or hinged rear door with wiper and washer system) -
P1 9 - - 0.35 GY Signal acquisition and actuation module (SAM) control unit (N10/1) Model 448.8 with code W78 (Window in liftgate or hinged rear door with wiper and washer system) -
P1 10 Electrical fuse 84 (K40/11f84) 30 0.75RDYE Upper control panel control unit (UCP) (N72/1) - 7, 5
P1 10 Electrical fuse 84 (K40/11f84) 30 0.75RDYE Upper control panel (UCP) control unit (N72/1) Model 448.7 with code EZ7 (Active Parking Assist) 7, 5
P1 10 Electrical fuse 84 (K40/11f84) 30 0.75RDYE Upper control panel control unit (UCP) (N72/2) Model 448.8 with code JW5 (Lane Keeping Assist) or with code EZ7 (Active Parking Assist) or with code JS1 (360° camera) 7, 5
P1 11 - - - Not assigned - -
P1 12 Electrical fuse 83 (K40/11f83) 30 0.75 RDWH Electronic ignition lock (EIS) control unit (N73) - 7, 5
P1 13 Electrical fuse 89 (K40/11f89) 15 0.75 RDBK Illumination switch (S1) model 448.7 5
P1 13 Electrical fuse 89 (K40/11f89) 15 0.75 RDBK Illumination switch (S1/2) Model 448.8 5
P1 13 Electrical fuse 89 (K40/11f89) 15 - Diagnostic connector (X11) Model 448 -
P1 14 Electrical fuse 82 (K40/11f82) 30 0.5 RDBU Gateway for user interface-CAN (N93/4) Model 448.8 5
P2 1 - 15R1 0.5 BKPK Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P2 2 - - - Not assigned - -
P2 3 - 15R2 0.5 BKYE Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P2 4 - - - Not assigned - -
P2 5 Electrical fuse 96 (K40/11f96) 15R1 1.5 BKVT Liftgate wiper motor (M6/12) With CODE W78 (Window in liftgate or hinged rear door with wiper and washer system) 15
P2 6 Electrical fuse 92 (K40/11f92) 15 0.5 BKOG Fuel system control unit (FSCU) (N118) - 5
P2 7 - - - Not assigned - -
P2 8 - - - Not assigned - -
P2 9 - 31 1.5 BN Left vehicle interior firewall ground point (W43/1) - -
P2 10 Electrical fuse 90 (K40/11f90) 15 0.5 BKYE Left rear Blind Spot Assist radar sensor (B161/3) With CODE JA7 (Blind Spot Assist) 5
P2 10 Electrical fuse 90 (K40/11f90) 15 0.5 BKYE Right rear Blind Spot Assist radar sensor (B161/4) With CODE JA7 (Blind Spot Assist) 5
P2 11 - - 0.5 BNWH Signal acquisition and actuation module (SAM) control unit (N10/1) With CODE W78 (Window in liftgate or hinged rear door with wiper and washer system) -
P2 12 - 15 0.5 BKGY Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P2 13 - - 0.75 BNGN Liftgate wiper motor (M6/12) With CODE W78 (Window in liftgate or hinged rear door with wiper and washer system) -
P2 14 - - 1.5 RDWH Signal acquisition and actuation module (SAM) control unit (N10/1) With CODE MJ8 (ECO start/stop function) -
P3 1 Electrical fuse
103
(K40/11f103)
- - Not assigned - -
P3 2 - 30g 0.35 BNGN Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P3 3 - - - Not assigned - -
P3 4 - 30 0.35 RDBK Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P3 5 Electrical fuse
101
(K40/11f101)
30 1.0 RDVT Overhead control panel control unit (OCP) (N70) - 10
P3 6 - 30g 0.35 RDBU Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P3 7 Electrical fuse
100
(K40/11f100)
30g 0.5 RDGY Sound system amplifier control unit (N40/3) With CODE E65 (Burmester surround sound system) 5
P3 8 - 30g 0.35 BNBU Signal acquisition and actuation module (SAM) control unit (N10/1) - -
P3 9 Electrical fuse 99 (K40/11f99) 30g 0.5 RDWH Tire pressure monitor (TPM) control unit (N88/1) With CODE RY2 (Tire pressure monitor) 5
P3 10 - - - Not assigned - -
P3 11 Electrical fuse 98 (K40/11f98) 30g 0.5 BUGN Signal acquisition and actuation module (SAM) control unit (N10/1) - 5
P3 12 - - - Not assigned - -
P3 13 Electrical fuse 97 (K40/11f97) 30g 0.5 BKRD PARKTRONIC control unit (PTS) (N62) With CODE EZ7 (Active Parking Assist) 5
P3 14 - - - Not assigned - -
P4 1 Electrical fuse
110
(K40/11f110)
30 4.0 RDYE Signal acquisition and actuation module (SAM) control unit (N10/1) - 30
P4 2 Electrical fuse
109
(K40/11f109)
- - Not assigned - -
P4 3 Electrical fuse
108
(K40/11f108)
30g 0.75 RDBU Camera cover (KAB) control unit (N144) Model 448.8 with code FR8 (Reversing camera) 7, 5
P4 3 Electrical fuse
108
(K40/11f108)
30g 0.75 RDBU 360° camera control unit (N153) Model 448.8 with code JS1 (360° camera) 7, 5
P4 4 - - - Not assigned - -
P4 5 Electrical fuse 56 (K40/11f56) - - Not assigned - -
P4 6 Electrical fuse 106 30g 0.75 RDBK Multifunction camera (MFK) control unit (B84/8) With code JA9 (Traffic Sign Assist) or with code JW5 (Lane Keeping 5
    (K40/11f106)       Assist) or with code LG2 (LED Intelligent Light System)  
P4 7 - - - Not assigned - -
P4 8 - - - Not assigned - -
P4 9 - - - Not assigned - -
P4 10 Electrical fuse
104
(K40/11f104)
30g - Not assigned - -