Assignment Of Rear Fuse And Relay Module - GF54.15-P-1256-30GR
MODEL 166 up to model year 2016
When "ATO" and "MAXI" fuses are changed, they must always be replaced with fuses that comply with the Mercedes-Benz standard: MBN10153-2.
| Slot | Fuse Identification | Circuit | Line ID (line fused) | Fused function | Rating in amperes (A) |
|---|---|---|---|---|---|
| 100 | Electrical fuse 100 (F4f100) | 30g | 0.35 RDBK | Valid with CODE 510 (Audio 20 incl. CD changer) or CODE 523 (MB Audio 20 radio): Radio (A2) | 5 |
| 30g | 0.35 RDBK | Valid with CODE 512 (COMAND APS incl. DVD-changer) or CODE 527 (COMAND APS with single DVD drive (with navigation)) or CODE 528 (COMAND incl. DVD-changer): COMAND controller unit (A40/3) | 5 | ||
| 30g | 0.5 RDBK | Valid with CODE 355 (Preinstallation for navigation system retrofit): External navigation electrical connector (X1/55) | 5 | ||
| 101 | Electrical fuse 101 (F4f101) | 30g | 1.5 RDBK | Valid with CODE 550 (Trailer hitch): Trailer recognition control unit (N28/1) | 20 |
| 102 | Electrical fuse 102 (F4f102) | 30g | 0.5 RDBK | Driver seat control unit (N32/1) | 7.5 |
| 103 | Electrical fuse 103 (F4f103) | 30g | 0.5 RDBK | Front passenger seat control unit (N32/2) | 7.5 |
| 104 | Electrical fuse 104 (F4f104) | 30g | 0.35 RDBK | Valid with CODE 386 (Comfort telephony): Cellular telephone system antenna amplifier/compensator (A28/3) Bluetooth® module (A34/7) | 5 |
| 105 | Electrical fuse 105 (F4f105) | 30g | 0.35 RDBK | Valid with CODE 508 (Navigation box preinstallation) or CODE 509 (Navigation box): Cradle for navigation module (A2/30-1) | 5 |
| 106 | Electrical fuse 106 (F4f106) | 30g | 0.35 RDBK | Valid with CODE 890 (EASY-PACK liftgate): Liftgate control unit (N121/1) | 5 |
| 107 | Electrical fuse 107 (F4f107) | 30g | 0.75 RDBK | Valid for model 166.8: Left 2nd seat row release unit (A93/3) Right 2nd seat row release unit (A93/4) | 10 |
| 108 | Electrical fuse 108 (F4f108) | 87 | - | Spare | - |
| 109 | Electrical fuse 109 (F4f109) | 15 | - | Spare | - |
| 110 | Electrical fuse 110 (F4f110) | 15 | 0.5 BKBU | Valid with CODE U42 (BlueTEC (SCR) diesel exhaust treatment)): AdBlue® control unit (N118/5) | 5 |
| 111 | Electrical fuse 111 (F4f111) | 15 | 1.5 BKWH | Valid with CODE 550 (Trailer hitch) without CODE 494 (USA version): Trailer socket (X58) | 15 |
| 112 | Electrical fuse 112 (F4f112) | 15 | 0.35 BKWH | Fuel system control unit (N118) | 5 |
| 113 | Electrical fuse 113 (F4f113) | 15 | 0.35 BKWH | Electric parking brake control unit (N128) | 5 |
| 114 | Electrical fuse 114 (F4f114) | 15 | 0.5 BKBU | Exterior lights switch (S1) | 5 |
| 115 | Electrical fuse 115 (F4f115) | 15 | 0.35 BKWH | Valid with CODE 550 (Trailer hitch): Trailer recognition control unit (N28/1) | 5 |
| 116 | Electrical fuse 116 (F4f116) | 15 | 0.35 BKWH | Valid with CODE 233 (DISTRONIC PLUS), CODE 234 (Blind Spot Assist), CODE 237 (Active Blind Spot Assist) or CODE 238 (Active Lane Keeping Assist): Radar sensors control unit circuit 87 connector sleeve (Z99/13) | 5 |
| 15 | 0.35 BKWH | Valid with CODE 252 (COLLISION PREVENTION ASSIST): COLLISION PREVENTION ASSIST controller unit (A90) | 5 | ||
| 117 | Electrical fuse 117 (F4f117) | 15 | 0.35 BKWH | Valid with CODE 610 (Night View Assist): Night View Assist control unit (N101) | 5 |
| 118 | Electrical fuse 118 (F4f118) | 15 | - | Spare | - |
| 119 | Electrical fuse 119 (F4f119) | 15 | 0.5 BKWH | Valid with CODE 430 (On & Offroad package): Transfer case control unit (N15/7) | 5 |
| 120 | Electrical fuse 120 (F4f120) | 15 | 0.35 BKWH | Valid with CODE 929 (Engine for ethanol fuel): Fuel quality sensor (B4/31) | 5 |
| 15 | 0.35 BKWH | Valid with CODE 930 (Tachograph preinstallation): Digital tachograph control unit (N154) | 5 | ||
| 121 | Electrical fuse 121 (F4f121) | 30 | - | Spare | - |
| 122 | Electrical fuse 122 (F4f122) | 87 | - | Spare | - |
| 123 | Electrical fuse 123 (F4f123) | 87 | - | Spare | - |
| 124 | Electrical fuse 124 (F4f124) | 30 | 2.5 RDBU | Valid with CODE 550 (Trailer hitch) and CODE 494 (USA version): Electric Brake Control electrical connection (X58/28) | 30 |
| 125 | Electrical fuse 125 (F4f125) | 30 | - | Spare | - |
| 126 | Electrical fuse 126 (F4f126) | 30 | 1.0 RDBK | Valid with CODE 550 (Trailer hitch): Trailer recognition control unit (N28/1) | 15 |
| 127 | Electrical fuse 127 (F4f127) | 30 | 2.5 RDWH | Driver seat control unit (N32/1) | 30 |
| 128 | Electrical fuse 128 (F4f128) | 30 | 1.5 RDWH | Valid with CODE 550 (Trailer hitch): Trailer recognition control unit (N28/1) | 20 |
| 129 | Electrical fuse 129 (F4f129) | 30 | 2.5 RDWH | Front passenger seat control unit (N32/2) | 30 |
| 130 | Electrical fuse 130 (F4f130) | 30 | 1.5 RDWH | Valid with CODE 550 (Trailer hitch): Trailer recognition control unit (N28/1) | 20 |
| 131 | Electrical fuse 131 (F4f131) | 87 | - | Spare | - |
| 132 | Electrical fuse 132 (F4f132) | 30 | 2.5 RD | Fuel system control unit (N118) | 25 |
| 133 | Electrical fuse 133 (F4f133) | 30 | 0.35 RD | Valid with CODE 228 (Stationary heater): Stationary heater radio remote control receiver (A6/1) | 5 |
| 134 | Electrical fuse 134 (F4f134) | 15R1 | 0.5 BK | Valid with CODE U10 (Front passenger seat with weight sensing system): Seat occupied recognition pressure sensor (B48/4) | 5 |
| 15R1 | 0.5 BK | Valid with CODE U18 (Automatic child seat recognition (ACSR)): Front passenger seat occupied recognition and ACSR (B48) | 5 | ||
| 135 | Electrical fuse 135 (F4f135) | 15R1 | 0.35 BKBU | Glove compartment lamp (E13/1) | 5 |
| 136 | Electrical fuse 136 (F4f136) | 15R1 | 0.5 BKWH | Supplemental restraint system control unit (N2/10) | 7.5 |
| 137 | Electrical fuse 137 (F4f137) | 15R1 | 0.35 BKWH | Valid with CODE 498 (Japan version) and CODE 527 (COMAND APS with single DVD drive (with navigation)): Electronic Toll Collection preinstallation electrical fuse (F17) | 5 |
| 15R1 | 0.35 BKWH | Valid with CODE 218 (Reversing camera) and CODE 498 (Japan version): Reversing camera electronics (N93/3) | 5 | ||
| 15R1 | 0.5 BKWH | Valid with CODE 355 (Preinstallation for navigation system retrofit): External navigation electrical connector (X1/55) | 5 | ||
| 138 | Electrical fuse 138 (F4f138) | 15R1 | 1.0 RDBK | Valid with CODE 468 (ACTIVE CURVE SYSTEM): Active roll stabilization control unit (N51/6) | 15 |
| 139 | Electrical fuse 139 (F4f139) | 30 | - | Spare | - |
| 140 | Electrical fuse 140 (F4f140) | 87 | 0.75 RDBU | Valid with CODE U42 (BlueTEC (SCR) diesel exhaust treatment)): AdBlue® control unit (N118/5) | 7.5 |
| 141 | Electrical fuse 141 (F4f141) | 87 | 1.5 RDWH | Valid with CODE U42 (BlueTEC (SCR) diesel exhaust treatment)): AdBlue® control unit (N118/5) | 15 |
| 142 | Electrical fuse 142 (F4f142) | 87 | 1.5 RDBU | Valid with CODE U42 (BlueTEC (SCR) diesel exhaust treatment)): AdBlue® control unit (N118/5) | 20 |
| 143 | Electrical fuse 143 (F4f143) | 30 | - | Spare | - |
| 144 | Electrical fuse 144 (F4f144) | 30 | - | Spare | - |
| 145 | Electrical fuse 145 (F4f145) | 30 | 0.5 RDWH | Valid with CODE 311 (Temperature-controlled cup holder): Cup holder (R5/1) | 7.5 |
| 146 | Electrical fuse 146 (F4f146) | 87 | 2.5 RDBK | Switched via the rear window heater relay (F4kB): Rear window wave trap (C5) | 30 |
| 147 | Electrical fuse 147 (F4f147) | 30 | 2.5 RDWH | Valid with CODE 510 (Audio 20 incl. CD changer) or CODE 523 (MB Audio 20 radio): Radio (A2) | 30 |
| 30 | 2.5 RDWH | Valid with CODE 512 (COMAND APS incl. DVD-changer) or CODE 527 (COMAND APS with single DVD drive (with navigation)) or CODE 528 (COMAND incl. DVD-changer): COMAND controller unit (A40/3) | 30 | ||
| 148 | Electrical fuse 148 (F4f148) | 15R2 | 1.5 BKBU | Valid with CODE 301 (Ashtray package/smoker package): Cigarette lighter heating element (R3r1) | 15 |
| 15R2 | 1.5 BKBU | Valid with CODE 311 (Temperature-controlled cup holder): Cup holder separating point (X156/3) | 15 | ||
| 149 | Electrical fuse 149 (F4f149) | 15R2 | 0.35 PK | Valid with CODE U80 (115 V socket): 115 V socket (X58/34) | 5 |
| 150 | Electrical fuse 150 (F4f150) | 15R2 | 1.5 BKBU | Cargo area socket (X58/4) | 20 |
| 151 | Electrical fuse 151 (F4f151) | 15R2 | 1.5 BKBU | Left 2nd seat row socket (X58/19) | 20 |
| 15R2 | 1.5 BKBU | Valid with CODE 864 (Rear entertainment system): Right 2nd seat row socket (X58/20) | 20 | ||
| 152 | Electrical fuse 152 (F4f152) | 30 | 4.0 RDWH | Rear control unit (N10/8) | 30 |
| 153 | Electrical fuse 153 (F4f153) | 30 | 1.5 RDWH | Valid with CODE U80 (115V socket in cargo area): DC/AC converter control unit (N24/3) | 25 |
| 154 | Electrical fuse 154 (F4f154) | 30 | 4.0 RDWH | Valid with CODE 890 (EASY-PACK liftgate): Liftgate control unit (N121/1) | 40 |
| 155 | Electrical fuse 155 (F4f155) | 30 | - | Spare | - |
| 156 | Electrical fuse 156 (F4f156) | 30g | - | Spare | - |
| 157 | Electrical fuse 157 (F4f157) | 15R1 | 1.0 GY | Tailgate wiper motor (M6/4) | 15 |
| Relay Slot Identification | Designation |
|---|---|
| A | Circuit 15R2 socket relay (F4kA) |
| B | Rear window heater relay (F4kB) |
| C | Backup relay (F4kC) |
| D | Valid with CODE U42 (BlueTEC (SCR) diesel exhaust treatment)): AdBlue® relay (F4kD) |
| E | Circuit 15 relay (F4kE) |
| F | Rear window wiper relay (F4kF) |
| G | Circuit 15R1 relay (F4kG) |
| H | Spare relay (F4kH) |
| I | Backup relay (F4kl) |