(Assignment Of Engine Fuse And Relay Module - GF54.15-P-1256-32RFN)
Model 253 (except 253.99) as of model year 2020
Relays J, K, L, M and O are located inside the housing and firmly soldered onto the PCB.
| Slot | Fuse | Circuit | Wire Identification | Fused component | Fuse rating (A) |
|---|---|---|---|---|---|
| 100 | Electrical fuse 100 (K40/8f100) | 87 | 4.0 RDGN | With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)): Vacuum pump (M56) |
40 |
| 101 | Electrical fuse 101 (K40/8f101) | 87M | 1.5 RDGN | Engine 264, 274, 276, 654, 656: Circuit 87/2 end sleeve (Z7/48z1) |
15 |
| Engine 177: Circuit 87/2 end sleeve (Z7/48z1) |
20 | ||||
| 102 | Electrical fuse 102 (K40/8f102) | 87M | 4.0 RDBU | Engine 654, 656: Connector sleeve, circuit 87/1 (Z7/47z1) |
20 |
| Engine 177: Connector sleeve, circuit 87/3 (Z7/75z1) |
25 | ||||
| 103 | Electrical fuse 103 (K40/8f103) | 87M | 1.5 RDGY | Engine 264, 274, 276, 654, 656: Connector sleeve, circuit 87/4 (Z7/73z1) |
15 |
| 2.5 RDGY | Engine 177: Connector sleeve, circuit 87/4 (Z7/73z1) |
20 | |||
| 104 | Electrical fuse 104 (K40/8f104) | 87M | 4.0 RDYE | Engine 264, 274, 276, 654, 656: Connector sleeve, circuit 87/3 (Z7/75z1) |
15 |
| 105 | Electrical fuse 105 (K40/8f105) | 87 | - | Spare | - |
| 106 | Electrical fuse 106 (K40/8f106) | 87 | - | Spare | - |
| 107 | Electrical fuse 107 (K40/8f107) | 87 | 6.0 RD | Engine 274: Electric coolant pump (M75/11) |
60 |
| 108 | Electrical fuse 108 (K40/8f108) | 15M | - | Spare | - |
| 109 | Electrical fuse 109 (K40/8f109) | 15M | 0.35 RDGN | With code B53 (Acoustic ambient protection): Rear sound generator (H4/135) |
5 |
| 110 | Electrical fuse 110 (K40/8f110) | 30t | 1.5 RDYE | With CODE 631 (Static left-hand traffic LED headlamp) or CODE 632 (Static right-hand traffic LED headlamp): Right front lamp unit (E2) |
20 |
| 2.5 RDYE | With CODE 640 (High Performance LED) or CODE 641 (Dynamic left-hand traffic LED headlamp) or CODE 642 (Dynamic right-hand traffic LED headlamp)): Left front lamp unit (E1) Right front lamp unit (E2) |
||||
| 111 | Electrical fuse 111 (K40/8f111) | 30t | 1.5 RDBU | With CODE 631 (Static left-hand traffic LED headlamp) or CODE 632 (Static right-hand traffic LED headlamp): Left front lamp unit (E1) |
20 |
| 2.5 RDBU | With CODE 640 (High Performance LED) or CODE 641 (Dynamic left-hand traffic LED headlamp) or CODE 642 (Dynamic right-hand traffic LED headlamp)): Left front lamp unit (E1) Right front lamp unit (E2) |
||||
| 112 | Electrical fuse 112 (K40/8f112) | 30t | 2.5 RDBK | Wiper motor (M6/1) | 30 |
| 113 | Electrical fuse 113 (K40/8f113) | 50 | 2.5 VTWH | Except code B01 (48V technology): Starter (M1) |
30 |
| 114 | Electrical fuse 114 (K40/8f114) | 87 | 4.0 RDWH | With code 489 (AIR BODY CONTROL): AIR BODY CONTROL compressor (A9/1) |
40 |
| 115 | Electrical fuse 115 (K40/8f115) | 87 | - | Spare | - |
| 116 | Electrical fuse 116 (K40/8f116) | 87 | 0.5 OGRD | With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)): Electronic Stability Program control unit (N30/4) |
7, 5 |
| 117 | Electrical fuse 117 (K40/8f117) | 30t | - | Spare | - |
| 118 | Electrical fuse 118 (K40/8f118) | 87C | 1.0 PKWH | Low-temperature circuit circulation pump 1 (M43/6) | 15 |
| 119 | Electrical fuse 119 (K40/8f119) | 87C | 0.5 RDGN | Powertrain control unit (N127) | 5 |
| 1.0 RDGN | Circuit 87/C1 end sleeve (Z141/1z1) | 15 | |||
| 120 | Electrical fuse 120 (K40/8f120) | 30t | - | Spare | - |
| 121 | Electrical fuse 121 (K40/8f121) | 15M | 0.75 RD | Park pawl capacitor (C8) | 10 |
| 122 | Electrical fuse 122 (K40/8f122) | 15M | 0.5 PKRD | Engine 276 with code M016 (Engine, boosted high performance) or engine 177: All-wheel drive control unit (N45) |
5 |
| 123 | Electrical fuse 123 (K40/8f123) | 15M | 0.5 BKRD | Front SAM control unit (N10/6) | 5 |
| 124 | Electrical fuse 124 (K40/8f124) | 30t | - | Spare | - |
| 125 | Electrical fuse 125 (K40/8f125) | 15M | 0.5 PKRD | Powertrain control unit (N127) | 5 |
| 126 | Electrical fuse 126 (K40/8f126) | 15M | 0.5 PKRD | Left front lamp unit (E1) Right front lamp unit (E2) Exterior lights switch (S1) |
5 |
| 127 | Electrical fuse 127 (K40/8f127) | 50 | 0.35 VTWH | Except code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)) and except code B01 (48V technology): Voltage dip limiter (R62) |
5 |
| 128 | Electrical fuse 128 (K40/8f128) | 15M | 0.5 OGBU | Electronic Stability Program control unit (N30/4) | 5 |
| 129 | Electrical fuse 129 (K40/8f129) | 15M | - | Spare | - |
| 130 | Electrical fuse 130 (K40/8f130) | 15M | - | Spare | - |
| 132 | Electrical fuse 132 (K40/8f132) | 87 | 0.5 OG | With code 489 (AIR BODY CONTROL): AIR BODY CONTROL, control unit (N51/3) |
5 |
| 133 | Electrical fuse 133 (K40/8f133) | 30t | - | Spare | - |
| Relays | Designation |
|---|---|
| G | Engine compartment circuit 15 relay (K40/8kG) |
| H | Except code B01 (48V technology): Starter circuit 50 relay (K40/8kH) |
| I | With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)): Vacuum pump relay (+) (K40/8kI) |
| J | CPC 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) |
| P | Engine 274: Coolant pump relay (K40/8kP) |
| Q | With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)): Relay Q (K40/8kQ) |
| R | With code 489 (AIR BODY CONTROL): Relay R (K40/8kR) |