Wiring Diagram For Engine Compartment Fuse And Relay Module - PE54.15-P-2106-97XBA
Model 257, 290 up to model year 2021 Module K40/8
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 137L |
| A9/1 | AIR BODY CONTROL compressor | 71L |
| A9/5 | Electric refrigerant compressor | 98L |
| C8 | Park pawl capacitor | 19L |
| Code 467 | Electronic locking differential | 20J |
| Code 489 | AIR BODY CONTROL | 1E |
| Code 489 | AIR BODY CONTROL | 1F |
| Code 489 | AIR BODY CONTROL | 67J |
| Code 597 | Heated windshield | 100J |
| Code 631 | Static LED headlamp, left-hand traffic | 90J |
| Code 632 | Static LED headlamp, right-hand traffic | 90J |
| Code 640 | Dynamic LED headlamps, SAE, right-hand traffic | 90J |
| Code 641 | Dynamic LED headlamps, left-hand traffic | 90J |
| Code 642 | Dynamic LED headlamps, right-hand traffic | 91J |
| Code B01 | 48V technology | 100J |
| Code B01 | 48V technology | 25K |
| Code B01 | 48V technology | 23J |
| Code B01 | 48V technology | 33H |
| Code F257 | MODEL SERIES 257 | 30J |
| Code F257 | MODEL SERIES 257 | 64A |
| Code F290 | Model series 290 | 30J |
| Code F290 | Model series 290 | 55A |
| Code L | LEFT-HAND DRIVE | 122K |
| Code M005 | 4MATIC | 23J |
| Code M005 | 4MATIC | 22L |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 23K |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 25L |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 34L |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 76L |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 77K |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 61L |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 61L |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 76K |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 77J |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 98J |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 22K |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 23J |
| Code M264 | 4-CYLINDER INLINE SPARK-IGNITION ENGINE M264 | 34L |
| Code M264 | 4-CYLINDER INLINE SPARK-IGNITION ENGINE M264 | 76L |
| Code M264 | 4-CYLINDER INLINE SPARK-IGNITION ENGINE M264 | 77J |
| Code M264 | 4-CYLINDER INLINE SPARK-IGNITION ENGINE M264 | 23H |
| Code M264 | 4-CYLINDER INLINE SPARK-IGNITION ENGINE M264 | 22L |
| Code M654 | 4-CYLINDER INLINE DIESEL ENGINE M654 | 36L |
| Code M654 | 4-CYLINDER INLINE DIESEL ENGINE M654 | 77J |
| Code M654 | 4-CYLINDER INLINE DIESEL ENGINE M654 | 78K |
| Code M654 | 4-CYLINDER INLINE DIESEL ENGINE M654 | 23H |
| Code M654 | 4-CYLINDER INLINE DIESEL ENGINE M654 | 25K |
| Code M656 | 6-CYLINDER INLINE DIESEL ENGINE M656 | 36L |
| Code M656 | 6-CYLINDER INLINE DIESEL ENGINE M656 | 78L |
| Code M656 | 6-CYLINDER INLINE DIESEL ENGINE M656 | 77J |
| Code M656 | 6-CYLINDER INLINE DIESEL ENGINE M656 | 23J |
| Code M656 | 6-CYLINDER INLINE DIESEL ENGINE M656 | 25L |
| Code R | RIGHT-HAND DRIVE | 122G |
| Code U79 | BLUETEC (SCR) diesel exhaust treatment Generation 3 | 77K |
| Code U79 | BLUETEC (SCR) diesel exhaust treatment Generation 3 | 78L |
| E1 | Left front lamp unit | 91L |
| E1 | Left front lamp unit | 93L |
| E1 | Left front lamp unit | 93L |
| E2 | Right front lamp unit | 91L |
| F32/3 | Engine compartment prefuse box | 4L |
| F32/3f5 | Fuse 5 | 2K |
| G1/3 | 48 V on-board electrical system battery | 26K |
| K40/8 | Engine fuse and relay module | 3A |
| K40/8 | Engine fuse and relay module | 11A |
| K40/8 | Engine fuse and relay module | 18A |
| K40/8 | Engine fuse and relay module | 27A |
| K40/8 | Engine fuse and relay module | 42A |
| K40/8 | Engine fuse and relay module | 59A |
| K40/8 | Engine fuse and relay module | 52A |
| K40/8 | Engine fuse and relay module | 77A |
| K40/8 | Engine fuse and relay module | 102A |
| K40/8 | Engine fuse and relay module | 120A |
| K40/8 | Engine fuse and relay module | 126A |
| K40/8 | Engine fuse and relay module | 66A |
| K40/8 | Engine fuse and relay module | 36A |
| K40/8 | Engine fuse and relay module | 88A |
| K40/8 | Engine fuse and relay module | 93A |
| K40/8 | Engine fuse and relay module | 109A |
| K40/8f100 | Fuse 100 | 46A |
| K40/8f101 | Fuse 101 | 78A |
| K40/8f102 | Fuse 102 | 79A |
| K40/8f103 | Fuse 103 | 80A |
| K40/8f104 | Fuse 104 | 82A |
| K40/8f105 | Fuse 105 | 105A |
| K40/8f106 | Fuse 106 | 112A |
| K40/8f107 | Fuse 107 | 87A |
| K40/8f108 | Fuse 108 | 16A |
| K40/8f109 | Fuse 109 | 17A |
| K40/8f110 | Fuse 110 | 90A |
| K40/8f111 | Fuse 111 | 95A |
| K40/8f112 | Fuse 112 | 96A |
| K40/8f113 | Fuse 113 | 39A |
| K40/8f114 | Fuse 114 | 62A |
| K40/8f114 | Fuse 114 | 71A |
| K40/8f115 | Fuse 115 | 108A |
| K40/8f116 | Fuse 116 | 45A |
| K40/8f117 | Fuse 117 | 97A |
| K40/8f118 | Fuse 118 | 53A |
| K40/8f119 | Fuse 119 | 52A |
| K40/8f120 | Fuse 120 | 100A |
| K40/8f121 | Fuse 121 | 19A |
| K40/8f122 | Fuse 122 | 20A |
| K40/8f123 | Fuse 123 | 14A |
| K40/8f124 | Fuse 124 | 101A |
| K40/8f125 | Fuse 125 | 24A |
| K40/8f126 | Fuse 126 | 26A |
| K40/8f127 | Fuse 127 | 41A |
| K40/8f128 | Fuse 128 | 28A |
| K40/8f129 | Fuse 129 | 30A |
| K40/8f130 | Fuse 130 | 31A |
| K40/8f132 | Fuse 132 | 69A |
| K40/8f133 | Fuse 133 | 92A |
| K40/8kG | Engine compartment terminal 15 relay | 13A |
| K40/8kH | Starter circuit 50 relay | 33A |
| K40/8kI | Backup relay | 43A |
| K40/8kJ | CPC relay | 49A |
| K40/8kK | Backup relay | 103A |
| K40/8kL | Backup relay | 107A |
| K40/8kM | Backup relay | 110A |
| K40/8kN | Circuit 87M relay | 75A |
| K40/8kP | Backup relay | 85A |
| K40/8kR | AIR BODY CONTROL relay | 57A |
| K40/8kR | AIR BODY CONTROL relay | 67A |
| M1 | Starter | 39L |
| M16/53 | Left exhaust flap actuator motor | 52K |
| M16/54 | Right exhaust flap actuator motor | 52L |
| M16/55 | Center exhaust flap actuator motor | 52L |
| M2/38 | Upper radiator trim flap actuator motor | 51L |
| M2/39 | Lower radiator trim flap actuator motor | 52K |
| M4/7 | Fan motor | 51K |
| M43/6 | Low temperature circuit circulation pump 1 | 54K |
| M43/6 | Low temperature circuit circulation pump 1 | 63L |
| M43/7 | Low temperature circuit circulation pump 2 | 51L |
| M43/8 | Low-temperature circuit circulation pump 3 | 63L |
| M6/1 | Wiper motor | 95L |
| N10/6 | Front SAM control unit | 14L |
| N127 | Drivetrain control unit | 49K |
| N127 | Drivetrain control unit | 51K |
| N127 | Drivetrain control unit | 23H |
| N127 | Drivetrain control unit | 24K |
| N145/1 | Drive unit control unit | 26L |
| N3/10 | ME-SFI [ME] control unit | 35L |
| N3/10 | ME-SFI [ME] control unit | 77L |
| N3/10 | ME-SFI [ME] control unit | 77K |
| N3/10 | ME-SFI [ME] control unit | 24K |
| N3/10 | ME-SFI [ME] control unit | 24L |
| N3/10 | ME-SFI [ME] control unit | 35L |
| N3/10 | ME-SFI [ME] control unit | 77L |
| N3/2 | Electric differential lock control unit | 21L |
| N3/9 | CDI control unit | 38L |
| N3/9 | CDI control unit | 38L |
| N3/9 | CDI control unit | 80L |
| N3/9 | CDI control unit | 80K |
| N3/9 | CDI control unit | 26L |
| N3/9 | CDI control unit | 26K |
| N30/4 | Electronic Stability Program control unit | 30L |
| N37/12 | Control unit of NOx sensor upstream of diesel oxidation catalytic converter | 80L |
| N37/8 | NOx sensor control unit downstream of SCR catalytic converter | 80L |
| N45 | All-wheel drive control unit | 24L |
| N51/3 | AIR BODY CONTROL control unit | 68L |
| N61 | Windshield heater control unit | 100L |
| R62 | Voltage dip limiter | 41L |
| S1 | Exterior lights switch | 28L |
| W15/5 | Left front footwell ground point | 74L |
| W9 | Left front ground point (at lamp unit) | 50G |
| W9 | Left front ground point (at lamp unit) | 9L |
| W9 | Left front ground point (at lamp unit) | 60L |
| X25/7 | Driver side engine compartment/frame floor assembly electrical connector | 74J |
| Y73/1 | Low-temperature circuit switchover valve | 54K |
| Z141/2z1 | Circuit 87C connector sleeve | 53G |