Wiring Diagram For Drivetrain Control Unit - PE54.21-P-2141-97SEB
Model 217, 222 as of model year 2018
Control unit N127
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 210L |
| B10/13 | Low-temperature circuit temperature sensor | 113L |
| B11/7 | Low-temperature coolant circuit 2 temperature sensor | 166L |
| B37 | Accelerator pedal sensor | 152L |
| B37 | Accelerator pedal sensor | 169L |
| B4/40 | Coolant expansion reservoir fill level sensor | 164L |
| B4/40 | Coolant expansion reservoir fill level sensor | 161L |
| B94/8 | Battery cooling system temperature sensor | 107L |
| CAN C | Engine CAN | 176K |
| CAN C | Engine CAN | 180K |
| CAN C | Engine CAN | 184K |
| CAN C | Engine CAN | 188K |
| CAN C | Engine CAN | 192K |
| CAN C | Engine CAN | 196K |
| CAN C | Engine CAN | 200K |
| CAN C1 | Drivetrain CAN | 147K |
| CAN C1 | Drivetrain CAN | 149K |
| CAN L | Hybrid CAN | 110K |
| CAN PER | Peripherals CAN | 172K |
| Code 2U1 | Radiator shutters | 8F |
| Code B01 | 48V technology | 163D |
| Code F217 | MODEL SERIES 217 | 5F |
| Code F217 | MODEL SERIES 217 | 22J |
| Code F217 | MODEL SERIES 217 | 32J |
| Code F217 | MODEL SERIES 217 | 39J |
| Code F222 | MODEL SERIES 222 | 22J |
| Code F222 | MODEL SERIES 222 | 39J |
| Code F222 | MODEL SERIES 222 | 32J |
| Code F222 | MODEL SERIES 222 | 5F |
| Code FV | LONG SEDAN | 15F |
| Code L | LEFT-HAND DRIVE | 80L |
| Code L | LEFT-HAND DRIVE | 88L |
| Code L | LEFT-HAND DRIVE | 54J |
| Code L | LEFT-HAND DRIVE | 48G |
| Code L | LEFT-HAND DRIVE | 154L |
| Code L | LEFT-HAND DRIVE | 127J |
| Code M176 | V8-SPARK-IGNITION ENGINE M176 | 22E |
| Code M176 | V8-SPARK-IGNITION ENGINE M176 | 133D |
| Code M176 | V8-SPARK-IGNITION ENGINE M176 | 178D |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 15F |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 92H |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 41E |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 59E |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 138D |
| Code M177 | V8 SPARK-IGNITION ENGINE M177 - AMG | 182D |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 92H |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 22F |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 138D |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 122D |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 190D |
| Code M264 | 4-CYLINDER INLINE SPARK-IGNITION ENGINE M264 | 35E |
| Code M264 | 4-CYLINDER INLINE SPARK-IGNITION ENGINE M264 | 198D |
| Code M276 | SPARK-IGNITION ENGINE M276 | 20F |
| Code M276 | SPARK-IGNITION ENGINE M276 | 122D |
| Code M276 | SPARK-IGNITION ENGINE M276 | 138D |
| Code M276 | SPARK-IGNITION ENGINE M276 | 186D |
| Code M277 | V12 SPARK-IGNITION ENGINE M277 | 138E |
| Code M277 | V12 SPARK-IGNITION ENGINE M277 | 174D |
| Code M279 | V12 SPARK-IGNITION ENGINE M279 - AMG | 138E |
| Code M279 | V12 SPARK-IGNITION ENGINE M279 - AMG | 174D |
| Code M656 | 6-CYLINDER INLINE DIESEL ENGINE OM656 | 114F |
| Code M656 | 6-CYLINDER INLINE DIESEL ENGINE OM656 | 122D |
| Code M656 | 6-CYLINDER INLINE DIESEL ENGINE OM656 | 138E |
| Code M656 | 6-CYLINDER INLINE DIESEL ENGINE OM656 | 194D |
| Code ME05 | Hybrid drive 85kW/90kW variant (incl. plug-in) | 66E |
| Code ME05 | Hybrid drive 85kW/90kW variant (incl. plug-in) | 104A |
| Code ME05 | Hybrid drive 85kW/90kW variant (incl. plug-in) | 150D |
| Code R | RIGHT-HAND DRIVE | 88L |
| Code R | RIGHT-HAND DRIVE | 80L |
| Code R | RIGHT-HAND DRIVE | 54J |
| Code R | RIGHT-HAND DRIVE | 50G |
| Code R | RIGHT-HAND DRIVE | 154L |
| Code R | RIGHT-HAND DRIVE | 126J |
| F1/3 | Passenger-side A-pillar fuse box | 4L |
| F1/3f311 | Fuse 311 | 2K |
| F32/3 | Engine compartment prefuse box | 84L |
| F32/3 | Engine compartment prefuse box | 76L |
| F32/3f10 | Fuse 10 | 82K |
| F32/3f4 | Fuse 4 | 74K |
| Flex E | Chassis FlexRay | 144K |
| K40/5 | Rear fuse and relay module | 18L |
| K40/5 | Rear fuse and relay module | 47L |
| K40/5 | Rear fuse and relay module | 61L |
| K40/5f481 | Fuse 481 | 46L |
| K40/5f482 | Fuse 482 | 60L |
| K40/5kY | Backup relay | 17L |
| K40/6 | Driver-side fuse and relay module | 140L |
| K40/8 | Engine fuse and relay module | 100L |
| K40/8 | Engine fuse and relay module | 136L |
| K40/8 | Engine fuse and relay module | 158L |
| K40/8f108 | Fuse 108 | 157L |
| K40/8f118 | Fuse 118 | 97L |
| K40/8f119 | Fuse 119 | 99L |
| K40/8f125 | Fuse 125 | 134L |
| K40/8kJ | HYBRID relay | 101L |
| M16/53 | Left exhaust flap actuator motor | 37L |
| M16/53 | Left exhaust flap actuator motor | 31L |
| M16/53 | Left exhaust flap actuator motor | 43L |
| M16/53 | Left exhaust flap actuator motor | 116L |
| M16/54 | Right exhaust flap actuator motor | 26L |
| M16/54 | Right exhaust flap actuator motor | 57L |
| M16/55 | Center exhaust flap actuator motor | 53L |
| M2/38 | Upper radiator trim flap actuator motor | 9L |
| M2/39 | Lower radiator trim flap actuator motor | 13L |
| M4/7 | Fan motor | 87L |
| M4/7 | Fan motor | 79L |
| M43/6 | Low temperature circuit circulation pump 1 | 68L |
| M43/7 | Low temperature circuit circulation pump 2 | 91L |
| M43/7 | Low temperature circuit circulation pump 2 | 94L |
| M43/8 | Low-temperature circuit circulation pump 3 | 64L |
| N10/6 | Front SAM control unit | 120L |
| N127 | Drivetrain control unit | 4A |
| N127 | Drivetrain control unit | 12A |
| N127 | Drivetrain control unit | 20A |
| N127 | Drivetrain control unit | 28A |
| N127 | Drivetrain control unit | 36A |
| N127 | Drivetrain control unit | 44A |
| N127 | Drivetrain control unit | 52A |
| N127 | Drivetrain control unit | 60A |
| N127 | Drivetrain control unit | 68A |
| N127 | Drivetrain control unit | 76A |
| N127 | Drivetrain control unit | 84A |
| N127 | Drivetrain control unit | 92A |
| N127 | Drivetrain control unit | 100A |
| N127 | Drivetrain control unit | 107A |
| N127 | Drivetrain control unit | 115A |
| N127 | Drivetrain control unit | 124A |
| N127 | Drivetrain control unit | 132A |
| N127 | Drivetrain control unit | 140A |
| N127 | Drivetrain control unit | 148A |
| N127 | Drivetrain control unit | 164A |
| N127 | Drivetrain control unit | 156A |
| N127 | Drivetrain control unit | 189A |
| N127 | Drivetrain control unit | 181A |
| N127 | Drivetrain control unit | 173A |
| N3/10 | ME-SFI [ME] control unit | 188L |
| N3/10 | ME-SFI [ME] control unit | 184L |
| N3/10 | ME-SFI [ME] control unit | 180L |
| N3/10 | ME-SFI [ME] control unit | 176L |
| N3/10 | ME-SFI [ME] control unit | 200L |
| N3/10 | ME-SFI [ME] control unit | 192L |
| N3/9 | CDI control unit | 196L |
| N80 | Steering column module control unit | 144L |
| U1150 | Valid for fan motor 1000W | 82G |
| U1151 | Not valid for fan motor 1000W | 74G |
| W18 | Left front seat crossmember ground point | 69L |
| W18 | Left front seat crossmember ground point | 65L |
| W18 | Left front seat crossmember ground point | 55J |
| W18 | Left front seat crossmember ground point | 129L |
| W18 | Left front seat crossmember ground point | 155L |
| W19 | Right front seat crossmember ground point | 55J |
| W19 | Right front seat crossmember ground point | 155L |
| W2 | Right front ground point (at lamp unit) | 73L |
| W2 | Right front ground point (at lamp unit) | 95L |
| W54 | Right rear wheel well ground point | 24L |
| W6 | Left wheel arch trunk ground point | 34L |
| W6 | Left wheel arch trunk ground point | 40L |
| W6/1 | Left taillamp trunk ground point | 34L |
| W6/1 | Left taillamp trunk ground point | 40L |
| W7/1 | Right taillamp trunk ground point | 24L |
| W7/1 | Right taillamp trunk ground point | 56L |
| W7/1 | Right taillamp trunk ground point | 44L |
| W85/1 | Driver footwell frame floor assembly ground point | 127L |
| W85/2 | Front passenger footwell frame floor assembly ground point | 6H |
| W85/2 | Front passenger footwell frame floor assembly ground point | 128L |
| W9/3 | Fan motor ground point | 89L |
| W9/3 | Fan motor ground point | 81L |
| W97 | Fan motor ground point | 81L |
| W97 | Fan motor ground point | 89L |
| X168 | ME-SFI [ME]/CDI control unit vehicle interior wiring harness electrical connector | 179H |
| X168 | ME-SFI [ME]/CDI control unit vehicle interior wiring harness electrical connector | 175H |
| X18 | Cockpit wiring harness and frame floor assembly electrical connector | 144H |
| X18/7 | Vehicle interior and engine compartment electrical connector | 70E |
| X18/7 | Vehicle interior and engine compartment electrical connector | 98E |
| X18/7 | Vehicle interior and engine compartment electrical connector | 134H |
| X18/7 | Vehicle interior and engine compartment electrical connector | 156H |
| X187/1 | Combustion engine electrical connector 1 | 183H |
| X22/4 | Transmission/frame floor assembly connecting point | 52H |
| X272 | Radiator trim flap electrical connector | 12H |
| X30/21 | Drivetrain CAN (CAN C1) potential distributor electrical connector | 148L |
| X30/27 | Peripherals CAN (CAN PER) potential distributor electrical connector | 172L |
| X30/44 | Hybrid CAN (CAN L) potential distributor electrical connector | 110L |
| X86 | Exhaust flap electrical connector | 42H |
| X86 | Exhaust flap electrical connector | 56H |
| Y110 | High-voltage battery cooling system expansion valve | 105L |
| Y123 | Left active engine mount | 131L |
| Y123/1 | Right active engine mount | 124L |
| Y140 | High-voltage battery cooling system switchover valve | 106L |
| Y73/1 | Low-temperature circuit switchover valve | 72L |
| Y93 | Exhaust flap switchover valve | 22L |
| Z141/2z1 | Circuit 87 C2 connector sleeve | 45F |
| Z141/2z2 | Circuit 87/C2 connector sleeve | 63H |
| Z195/1z1 | Right exhaust flap ground connection connector sleeve | 24H |
| Z195/1z2 | Left exhaust flap ground connection connector sleeve | 40H |
| Z195/1z2 | Left exhaust flap ground connection connector sleeve | 34H |
| Z195/7z1 | Drivetrain LIN connector sleeve 2 | 28H |
| Z195/7z1 | Drivetrain LIN connector sleeve 2 | 52F |
| Z195/7z2 | Drivetrain LIN connector sleeve 2 | 27H |
| Z195/7z3 | Drivetrain LIN connector sleeve 2 | 29H |
| Z195/7z3 | Drivetrain LIN connector sleeve 2 | 36H |
| Z1z1 | Connector sleeve 2 in wiring harness | 6E |
| Z1z15 | Circuit 31 connector sleeve | 9G |
| Z1z2 | Circuit 31 connector sleeve | 128K |
| Z211z1 | Circuit 30 supply line connector sleeve | 4F |
| Z243z1 | Drivetrain LIN connector sleeve | 71G |
| Z243z2 | Drivetrain LIN connector sleeve | 10E |
| Z244/1 | Connector sleeve, circuit 87/C1 | 98G |
| Z244/2 | Circuit 87/C2 connector sleeve | 96G |
| Z50/5z1 | Tml. 15 connector sleeve | 140G |
| Z6/8z1 | Sensor ground connector sleeve | 112E |
| Z6/8z2 | Sensor ground connection connector sleeve | 166G |
| Z7/103z1 | Connector sleeve, circuit 87/C1 | 51G |
| Z7/103z1 | Connector sleeve, circuit 87/C1 | 9E |
| Z7/103z1 | Connector sleeve, circuit 87/C1 | 31F |
| Z7/103z1 | Connector sleeve, circuit 87/C1 | 37F |
| Z7/103z2 | Connector sleeve, circuit 87/C1 | 26H |
| Z7/103z3 | Connector sleeve, circuit 87/C1 | 31H |
| Z7/103z3 | Connector sleeve, circuit 87/C1 | 37H |