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Assignment Of Engine Fuse And Relay Module - GF54.15-P-1256-32LFM

Model 217, 222 

as of Model year 2018 

Fig 1: Engine Fuse And Relay Module - Model 222 As Of Model Year 2018
G15299367Courtesy of MERCEDES-BENZ USA
Slot Fuse Identification Circuit Line ID (line fused) Fused function Rating in amperes (A)
100 Electrical fuse 100 (K40/8f100) 87 4.0 RDGN Model 222.173: 
Vacuum pump (M56)		 40
101 Electrical fuse 101 (K40/8f101) 87M_2 2.5 RDGN Engine 176: 
Circuit 87/2 end sleeve (Z7/48z1)		 20
        Engine 256, 264 with code 460 (Canada version) or code 494 (USA version) or code 835 (Additional parts for South Korea vehicles): 
Fuel tank diagnostic module (A101)		  
        Engine 264: 
Potential distributor 3 power supply (X30/91)		  
        Model 222 with engine 656: 
CDI control unit (N3/9)		  
        Engine 177: 
Connector sleeve, circuit 87M4 (Z7/73z1)		  
      1.5 RDGN Engine 276, 277, 279: 
Circuit 87/2 end sleeve (Z7/48z1)		  
      1.0 RDGN Engine 256: 
Potential distributor (X49)		  
102 Electrical fuse 102 (K40/8f102) 87M_1 2.5 RDBU Engine 176, 177, 256: 
ME-SFI [ME] control unit (N3/10)		 20
        Engine 264: 
Potential distributor 1 power supply (X30/89)		  
        Engine 276, 277, 279: 
Circuit 87 M1i end sleeve (Z7/38z1)		  
        Model 222 with engine 656: 
CDI control unit (N3/9)		  
103 Electrical fuse 103 (K40/8f103) 87M_4 2.5 RDGY Engine 176, 177: 
Connector sleeve, circuit 87M4 (Z7/73z1)		 15
        Engine 256: 
ME-SFI [ME] control unit (N3/10)
Potential distributor (X49)		  
        Engine 264, 276, 277, 279: 
ME-SFI [ME] control unit (N3/10)		  
        Model 222 with engine 656: 
CDI control unit (N3/9)		  
104 Electrical fuse 104 (K40/8f104) 87M_3 2.5 RDYE Engine 176, 177, 256, 276: 
ME-SFI/CDI control unit vehicle interior wiring harness electrical connector (X168)		 20
        Engine 264: 
Potential distributor 2 power supply (X30/90)		  
        Model 222 with engine 656: 
CDI control unit (N3/9)		  
      1.5 RDYE Engine 277, 279: 
ME-SFI/CDI control unit vehicle interior wiring harness electrical connector (X168)		  
105 Electrical fuse 105 (K40/8f105) 87 1.5 RD With code 874 (MAGIC VISION CONTROL, heated): 
Upper spray nozzle hose heater (R2/5) Right wiper blade heater (R2/13)		 15
106 Electrical fuse 106 (K40/8f106) 87 2.5 RDBK Wiper park position heater (R2/10) 25
107 Electrical fuse 107 (K40/8f107) 87 4.0 RDWH Engine 279: 
Starter/air pump electrical connection (X22)		 60
108 Electrical fuse 108 (K40/8f108) 15 1.0 PKRD Model 222.173: 
Accelerator pedal sensor (B37)		 15
      2.5 RDPK Engine 279: 
Fully integrated transmission control controller unit (Y3/8)		  
109 Electrical fuse 109 (K40/8f109) 15 0.5 PKRD Model 222.173: 
Sound generator (H4/16)		 5
110 Electrical fuse 110 (K40/8f110) 30t 2.5 RD With code 640 (SAE dynamic LED headlamp for right-hand traffic) or code 641 (Dynamic LED headlamp for left-hand traffic) or code 642 (Dynamic LED headlamp for right-hand traffic): 
Left front lamp unit (E1)
Right front lamp unit (E2)		 20
      1.5 RD With CODE 631 (Static left-hand traffic LED headlamp) or CODE 632 (Static right-hand traffic LED headlamp): 
Right front lamp unit (E2)		  
111 Electrical fuse 111 (K40/8f111) 30t 2.5 RDBK Wiper motor (M6/1) 30
112 Electrical fuse 112 (K40/8f112) - - Spare -
113 Electrical fuse 113 (K40/8f113) 50 2.5 VT Except Model 222.173 and except code B01 (48V technology): 
Starter (M1)		 30
114 Electrical fuse 114 (K40/8f114) 87 4.0 RDWH Except code 487 (MAGIC BODY CONTROL): 
AIRMATIC compressor (A9/1)		 40
115 Electrical fuse 115 (K40/8f115) - - Spare -
116 Electrical fuse 116 (K40/8f116) 87 0.5 OGRD Model 222.173: 
Electronic Stability Program control unit (N30/4)		 5
117 Electrical fuse 117 (K40/8f117) 30t 0.5 RDBU With code B64 (Inductive charging system for hybrid vehicles): 
Car pad module electric controller unit (A121)		 7, 5
118 Electrical fuse 118 (K40/8f118) 87 1.0 RDVT Low temperature circuit circulation pump 2 (M43/7)
Low-temperature circuit switchover valve (Y73/1)		 15
119 Electrical fuse 119 (K40/8f119) 87 0.75 RDBK Model 222.173: 
Low-temperature circuit circulation pump 1 (M43/6)		 10
120 Electrical fuse 120 (K40/8f120) 30t 1.0 RDVT Model 222.173: 
Low-temperature circuit switchover valve 2 (Y73/2)		 5
      0.75 RDWH Engine 279: 
Motor fuse and relay module (K40/8)		  
121 Electrical fuse 121 (K40/8f121) 15 1.0 PKRD Engine 256, 264: 
Starter battery capacitor (C1)		 10
      0.75 PKRD Engine 177, 279: 
Starter battery capacitor (C1)		  
122 Electrical fuse 122 (K40/8f122) - - Spare -
123 Electrical fuse 123 (K40/8f123) 15 0.5 BKRD Front SAM control unit (N10/6) 5
124 Electrical fuse 124 (K40/8f124) - - Spare -
125 Electrical fuse 125 (K40/8f125) 15 0.5 PKRD Engine 176, 177, 256, 264, 276, 277, 279: 
ME-SFI [ME] control unit (N3/10)		 5
        Model 222 with engine 656: 
CDI control unit (N3/9)		  
        Engine 177 and code M005 (4MATIC): 
All-wheel drive control unit (N45)		  
126 Electrical fuse 126 (K40/8f126) 15 0.5 PKRD Exterior lights switch (S1) 5
127 Electrical fuse 127 (K40/8f127) - - Spare -
128 Electrical fuse 128 (K40/8f128) 15 0.75 RD With code 610 (Night View Assist): 
Night View Assist control unit (N101)		 5
129 Electrical fuse 129 (K40/8f129) 15 0.75 RDBK Electronic Stability Program control unit (N30/4) 5
130 Electrical fuse 130 (K40/8f130) - - Spare -
131 Electrical fuse 131 (K40/8f131) - - Spare -
132 Electrical fuse 132 (K40/8f132) - - Spare -
133 Electrical fuse 133 (K40/8f133) 30t 2.5 RD With code 640 (SAE dynamic LED headlamp for right-hand traffic) or code 641 (Dynamic LED headlamp for left-hand traffic) or code 642 (Dynamic LED headlamp for right-hand traffic): 
Left front lamp unit (E1)
Right front lamp unit (E2)		 20
      1.5 RD With CODE 631 (Static left-hand traffic LED headlamp) or CODE 632 (Static right-hand traffic LED headlamp): 
Left front lamp unit (E1)		  
Relay Identification Designation
G Engine compartment circuit 15 relay (K40/8kG)
H Except Model 222.173 and except code B01 (48V technology): 
Starter circuit 50 relay (K40/8kH)
I Model 222.173: 
Brake vacuum pump relay (K40/8kI)
J Model 222.173: 
HYBRID relay (K40/8kJ)
K Oil pump relay (K40/8kK)
L Horn relay (K40/8kL)
M Wiper park position heater relay (K40/8kM)
N Circuit 87M relay (K40/8kN)
O Starter circuit 15 relay (K40/8kO)
P Engine 279: 
Secondary air injection relay (K40/8kP)
Q Model 222.173: 
Vacuum pump relay (K40/8kQ)
R Except code 487 (MAGIC BODY CONTROL): 
AIRMATIC relay (K40/8kR)
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