Wiring Diagram For Drivetrain Control Unit - PE54.21-P-2141-97DEA
Model 238 as of model year 2021 Control unit N127
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 169L |
| B10/13 | Low-temperature circuit temperature sensor | 120L |
| B10/14 | Low-temperature circuit temperature sensor 2 | 82L |
| B11/15 | Engine radiator sensor for engine diagnosis | 23L |
| B37 | Accelerator pedal sensor | 78L |
| B53/1 | Clutch pedal sensor | 85L |
| B79/3 | Manual transmission main shifter shaft position sensor | 88L |
| CAN C | Engine CAN | 56K |
| CAN C | Engine CAN | 52K |
| CAN C | Engine CAN | 60K |
| CAN C | Engine CAN | 65K |
| CAN C1 | Drive train CAN | 69K |
| CAN C1 | Drive train CAN | 109K |
| CAN ED1 | Electric drive CAN | 105K |
| CAN L | Hybrid CAN | 113K |
| CAN PER | Peripherals CAN | 72K |
| Code 425 | 6-speed manual transmission | 83D |
| Code 460 | Canada version | 21G |
| Code 494 | USA version | 21H |
| Code B01 | 48V technology | 25G |
| Code B01 | 48V technology | 80D |
| Code B01 | 48V technology | 111D |
| Code L | LEFT-HAND DRIVE | 32L |
| Code L | LEFT-HAND DRIVE | 4E |
| Code L | LEFT-HAND DRIVE | 150G |
| Code M005 | 4MATIC | 121E |
| Code M005 | 4MATIC | 121D |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 7K |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 41G |
| Code M256 | 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 | 50D |
| Code M264 | SPARK-IGNITION ENGINE M264 | 54D |
| Code M654 | DIESEL ENGINE OM654 | 29G |
| Code M654 | DIESEL ENGINE OM654 | 41H |
| Code M654 | DIESEL ENGINE OM654 | 30D |
| Code M654 | DIESEL ENGINE OM654 | 58D |
| Code M654 | DIESEL ENGINE OM654 | 107D |
| Code M654 | DIESEL ENGINE OM654 | 115D |
| Code M654 | DIESEL ENGINE OM654 | 121D |
| Code M656 | 6-CYLINDER INLINE DIESEL ENGINE OM656 | 63D |
| Code M656 | 6-CYLINDER INLINE DIESEL ENGINE OM656 | 121D |
| Code M656 | 6-CYLINDER INLINE DIESEL ENGINE OM656 | 115D |
| Code R | RIGHT-HAND DRIVE | 32L |
| Code R | RIGHT-HAND DRIVE | 4F |
| Code R | RIGHT-HAND DRIVE | 150J |
| Code U16 | 125D | |
| Code U21 | AMG Performance exhaust system | 125D |
| Code U78 | AMG Sport exhaust system | 129D |
| F1/3 | Passenger-side A-pillar fuse box | 5L |
| F1/3f311 | Fuse 311 | 4L |
| F32/3 | Engine compartment pre-fuse box | 16L |
| F32/3f7 | Fuse 7 | 14K |
| Flex E | Chassis FlexRay | 75K |
| K40/8 | Engine fuse and relay module | 12L |
| K40/8 | Engine fuse and relay module | 39L |
| K40/8 | Engine fuse and relay module | 48L |
| K40/8 | Engine fuse and relay module | 97L |
| K40/8f118 | Fuse 118 | 38L |
| K40/8f119 | Fuse 119 | 11L |
| K40/8f125 | Fuse 125 | 47L |
| LIN C3 | Drivetrain LIN | 131K |
| LIN C3 | Drivetrain LIN | 139K |
| LIN C3 | Drivetrain LIN | 128K |
| M16/53 | Left exhaust flap actuator motor | 128L |
| M16/53 | Left exhaust flap actuator motor | 138L |
| M16/54 | Right exhaust flap actuator motor | 131L |
| M16/57 | Exhaust flap controller | 117L |
| M4/7 | Fan motor | 20L |
| M4/7x1 | Fan motor electrical connector | 19J |
| M43/6 | Low temperature circuit circulation pump 1 | 35L |
| M43/7 | Low temperature circuit circulation pump 2 | 27L |
| M43/7 | Low temperature circuit circulation pump 2 | 31L |
| N10/6 | Front SAM control unit | 101L |
| 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 | 77A |
| N127 | Drivetrain control unit | 83A |
| N127 | Drivetrain control unit | 92A |
| N127 | Drivetrain control unit | 100A |
| N127 | Drivetrain control unit | 108A |
| N127 | Drivetrain control unit | 116A |
| N127 | Drivetrain control unit | 124A |
| N127 | Drivetrain control unit | 132A |
| N127 | Drivetrain control unit | 145A |
| N127 | Drivetrain control unit | 154A |
| N129 | Starter generator control unit | 8L |
| N129 | Starter generator control unit | 105L |
| N3/10 | ME-SFI [ME] control unit | 56L |
| N3/10 | ME-SFI [ME] control unit | 52L |
| N3/9 | CDI control unit | 65L |
| N3/9 | CDI control unit | 60L |
| W15/5 | Left front footwell ground point | 33L |
| W15/5 | Left front footwell ground point | 5F |
| W15/5 | Left front footwell ground point | 124H |
| W15/7 | Right front footwell ground point | 5E |
| W15/7 | Right front footwell ground point | 123H |
| W16/3 | Left major assembly compartment ground point | 33L |
| W18 | Left front seat crossmember ground point | 135E |
| W2 | Right front ground point (at lamp unit) | 24L |
| W2 | Right front ground point (at lamp unit) | 37L |
| W2 | Right front ground point (at lamp unit) | 45L |
| W2/2 | Left front ground point | 18L |
| W6/1 | Left taillamp trunk ground point | 127E |
| W9 | Left front ground point (at lamp unit) | 29L |
| X25/7x1 | Engine compartment/interior wiring harness electrical connector 1 | 46H |
| X25/7x1 | Engine compartment/interior wiring harness electrical connector 1 | 10E |
| X25/7x3 | Engine compartment/interior wiring harness electrical connector 3 | 27E |
| X25/7x3 | Engine compartment/interior wiring harness electrical connector 3 | 96H |
| X26/40x2 | Interior wiring harness/rear bumper electrical connector 2 | 130G |
| X26/40x4 | Rear bumper electrical connector 4 | 126H |
| X30/21 | Drive train CAN (CAN C1) potential distributor electrical connector | 69L |
| X30/27 | Peripherals CAN (CAN PER) potential distributor electrical connector | 72L |
| X30/44 | Hybrid CAN (CAN L) potential distributor electrical connector | 113L |
| X86 | Left exhaust gas flap actuator motor electrical connector | 137H |
| Y123 | Left active engine mount | 124L |
| Y123/1 | Right active engine mount | 123L |
| Y3/8 | Fully integrated transmission control controller unit | 109L |
| Y73/1 | Low-temperature circuit switchover valve | 43L |
| Z141/1z1 | Circuit 87 C1 connector sleeve | 10G |
| Z141/1z2 | Circuit 87 C1 connector sleeve | 7E |
| Z141/1z2 | Circuit 87 C1 connector sleeve | 126E |
| Z141/1z2 | Circuit 87 C1 connector sleeve | 133E |
| Z141/2z1 | Circuit 87 C2 connector sleeve | 37G |
| Z142z1 | Powertrain control unit LIN connector sleeve | 27G |
| Z142z2 | LIN C3 connector sleeve | 31E |
| Z142z4 | LIN C3 connector sleeve | 130E |
| Z195/1z1 | Ground connection connector sleeve | 134L |
| Z195z1 | Circuit 87C connector sleeve | 133L |
| Z4/3z1 | Tml. 30 connector sleeve | 3G |
| Z50/5z1 | Tml. 15 connector sleeve | 46E |
| Z6/8z1 | Sensor ground connection connector sleeve | 87G |
| Z6/8z1 | Sensor ground connection connector sleeve | 120E |
| Z7/41z1 | Sensor voltage connector sleeve | 85G |