Wiring Diagram For Drivetrain Control Unit - PE54.21-P-2141-97FBB
Model 205 as of model year 2019 Control unit N127
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 202L |
| B10/13 | Low-temperature circuit temperature sensor | 166L |
| B10/13 | Low-temperature circuit temperature sensor | 171L |
| B10/14 | Low-temperature circuit temperature sensor 2 | 44L |
| B11/7 | Low-temperature coolant circuit 2 temperature sensor | 47L |
| B11/7 | Low-temperature coolant circuit 2 temperature sensor | 42L |
| B37 | Accelerator pedal sensor | 18L |
| B37m1 | Accelerator pedal module actuator motor | 19L |
| B37n1 | Accelerator pedal module control unit | 20L |
| B53/1 | Clutch pedal sensor | 53L |
| B79/3 | Manual transmission main shifter shaft position sensor | 56L |
| CAN C | Engine CAN | 26J |
| CAN C | Engine CAN | 31J |
| CAN C1 | Drivetrain CAN | 22K |
| CAN L | Hybrid CAN | 134K |
| CAN PER | Peripherals CAN | 35K |
| Code 2U1 | Radiator shutters | 72G |
| Code 425 | 6-speed manual transmission | 50F |
| Code 5U3 | AIRPANEL | 88G |
| Code 830 | Additional parts for China vehicles | 141E |
| Code 830 | Additional parts for China vehicles | 150E |
| Code B01 | 48V technology | 43F |
| Code B01 | 48V technology | 133C |
| Code B10 | Fuel tank system for EU6D Standard | 58E |
| Code FA | CABRIOLET | 141D |
| Code FC | COUPE | 141D |
| Code FS | STATION WAGON | 150D |
| Code FW | SEDAN | 150D |
| Code L | LEFT-HAND DRIVE | 63G |
| Code L | LEFT-HAND DRIVE | 4E |
| Code M177 | SPARK-IGNITION ENGINE M177 | 25K |
| Code M177 | SPARK-IGNITION ENGINE M177 | 79G |
| Code M177 | SPARK-IGNITION ENGINE M177 | 92G |
| Code M177 | SPARK-IGNITION ENGINE M177 | 99G |
| Code M177 | SPARK-IGNITION ENGINE M177 | 137K |
| Code M177 | SPARK-IGNITION ENGINE M177 | 136D |
| Code M264 | SPARK-IGNITION ENGINE M264 | 25K |
| Code M264 | SPARK-IGNITION ENGINE M264 | 141D |
| Code M264 | SPARK-IGNITION ENGINE M264 | 150D |
| Code M274 | SPARK-IGNITION ENGINE M274 | 25K |
| Code M274 | SPARK-IGNITION ENGINE M274 | 95G |
| Code M274 | SPARK-IGNITION ENGINE M274 | 58D |
| Code M276 | SPARK-IGNITION ENGINE M276 | 25K |
| Code M276 | SPARK-IGNITION ENGINE M276 | 95G |
| Code M276 | SPARK-IGNITION ENGINE M276 | 137K |
| Code M276 | SPARK-IGNITION ENGINE M276 | 136D |
| Code M654 | DIESEL ENGINE OM654 | 29K |
| Code M654 | DIESEL ENGINE OM654 | 62D |
| Code M654 | DIESEL ENGINE OM654 | 69D |
| Code M654 | DIESEL ENGINE OM654 | 159D |
| Code M654 | DIESEL ENGINE OM654 | 110C |
| Code M654 | DIESEL ENGINE OM654 | 169D |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 40F |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 45F |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 15E |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 102G |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 128C |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 133D |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 164E |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 172D |
| Code R | RIGHT-HAND DRIVE | 63G |
| Code R | RIGHT-HAND DRIVE | 4F |
| Code U16 | Exhaust system with acoustic flap | 141E |
| Code U16 | Exhaust system with acoustic flap | 150E |
| Code U21 | AMG Performance exhaust system | 141E |
| Code U21 | AMG Performance exhaust system | 150E |
| Code U78 | Switchable exhaust system | 137E |
| Code U78 | Switchable exhaust system | 139E |
| Code U79 | BLUETEC (SCR) diesel exhaust treatment Generation 3 | 62D |
| Code U79 | BLUETEC (SCR) diesel exhaust treatment Generation 3 | 166E |
| F1/3 | Passenger-side A-pillar fuse box | 5L |
| F1/3f315 | Fuse 315 | 4L |
| F32/3 | Engine compartment prefuse box | 86L |
| F32/3f7 | Fuse 7 | 84K |
| Flex E | Chassis FlexRay | 38K |
| Flex E | Chassis FlexRay | 37K |
| Flex E | Chassis FlexRay | 39K |
| K40/8 | Engine fuse and relay module | 11L |
| K40/8 | Engine fuse and relay module | 108L |
| K40/8 | Engine fuse and relay module | 126L |
| K40/8 | Engine fuse and relay module | 154L |
| K40/8 | Engine fuse and relay module | 145L |
| K40/8f101 | Fuse 101 | 144L |
| K40/8f101 | Fuse 101 | 153L |
| K40/8f118 | Fuse 118 | 107L |
| K40/8f119 | Fuse 119 | 8L |
| K40/8f125 | Fuse 125 | 14L |
| LIN C3 | Drivetrain LIN | 64K |
| LIN C3 | Drivetrain LIN | 73K |
| LIN C3 | Drivetrain LIN | 76K |
| LIN C3 | Drivetrain LIN | 81K |
| LIN C3 | Drivetrain LIN | 90K |
| LIN C3 | Drivetrain LIN | 94K |
| LIN C3 | Drivetrain LIN | 97K |
| LIN C3 | Drivetrain LIN | 101K |
| LIN C3 | Drivetrain LIN | 104K |
| LIN C3 | Drivetrain LIN | 115K |
| LIN C3 | Drivetrain LIN | 117K |
| LIN C4 | Exhaust LIN | 138J |
| LIN C4 | Exhaust LIN | 149K |
| LIN C4 | Exhaust LIN | 158K |
| M16/53 | Left exhaust flap actuator motor | 138K |
| M16/53 | Left exhaust flap actuator motor | 162L |
| M16/54 | Right exhaust flap actuator motor | 138L |
| M16/55 | Center exhaust flap actuator motor | 138L |
| M2/37 | Radiator trim flap actuator motor | 90L |
| M4/7 | Fan motor | 82L |
| M4/7 | Fan motor | 77L |
| M43/6 | Low temperature circuit circulation pump 1 | 64L |
| M43/6 | Low temperature circuit circulation pump 1 | 97L |
| M43/6 | Low temperature circuit circulation pump 1 | 94L |
| M43/7 | Low temperature circuit circulation pump 2 | 101L |
| M43/7 | Low temperature circuit circulation pump 2 | 114L |
| M45 | Coolant circulation pump | 105L |
| M75/11 | Electric coolant pump | 60L |
| M87 | Radiator shutters actuator motor | 73L |
| N10/6 | Front SAM control unit | 130L |
| N127 | Drivetrain control unit | 37L |
| 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 | 52A |
| N127 | Drivetrain control unit | 44A |
| 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 | 108A |
| N127 | Drivetrain control unit | 116A |
| N127 | Drivetrain control unit | 124A |
| N127 | Drivetrain control unit | 132A |
| N127 | Drivetrain control unit | 140A |
| N127 | Drivetrain control unit | 148A |
| N127 | Drivetrain control unit | 156A |
| N127 | Drivetrain control unit | 164A |
| N127 | Drivetrain control unit | 172A |
| N127 | Drivetrain control unit | 182A |
| N127 | Drivetrain control unit | 191A |
| N3/10 | ME-SFI [ME] control unit | 26L |
| N3/9 | CDI control unit | 31L |
| N80 | Steering column module control unit | 39L |
| S41/1 | Coolant level switch (HYBRID) | 49L |
| U1095 | Valid for fan motor 600W | 79J |
| U1095 | Valid for fan motor 600W | 78J |
| U1095 | Valid for fan motor 600W | 75G |
| U1096 | Valid for fan motor 850W | 79J |
| U1096 | Valid for fan motor 850W | 78J |
| U1096 | Valid for fan motor 850W | 75G |
| W15/5 | Left front footwell ground point | 64G |
| W15/5 | Left front footwell ground point | 5F |
| W15/7 | Right front footwell ground point | 5E |
| W16 | Major assembly compartment ground point | 64G |
| W2 | Right front ground point (at lamp unit) | 72G |
| W2 | Right front ground point (at lamp unit) | 97G |
| W2 | Right front ground point (at lamp unit) | 100G |
| W2/2 | Left front ground point | 80E |
| W3/8 | Right rear wheel well ground point | 148E |
| W3/8 | Right rear wheel well ground point | 157E |
| W9 | Left front ground point (at lamp unit) | 91G |
| W9 | Left front ground point (at lamp unit) | 95G |
| W9 | Left front ground point (at lamp unit) | 104G |
| W9 | Left front ground point (at lamp unit) | 111H |
| X192/1 | Coolant run-on pump electrical connector | 112E |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 13H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 68J |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 6E |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 125H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 143H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 152H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 165H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 176H |
| X26 | Interior and engine wiring harness electrical connector | 60H |
| X26/40 | Rear frame floor assembly/bumper electrical connector | 147H |
| X26/40 | Rear frame floor assembly/bumper electrical connector | 149H |
| X26/40 | Rear frame floor assembly/bumper electrical connector | 156H |
| X30/21 | Drivetrain CAN (CAN C1) potential distributor electrical connector | 22L |
| X30/27 | Peripherals CAN (CAN PER) potential distributor electrical connector | 35L |
| X30/44 | Hybrid CAN (CAN L) potential distributor electrical connector | 134L |
| Y19/1 | High-voltage battery cooling system shutoff valve | 175L |
| Y73/1 | Low-temperature circuit switchover valve | 117L |
| Y93 | Exhaust flap switchover valve | 157L |
| Y93 | Exhaust flap switchover valve | 148L |
| Z141/1z1 | Circuit 87 C1 connector sleeve | 7G |
| Z141/1z1 | Circuit 87 C1 connector sleeve | 78E |
| Z141/2z1 | Circuit 87C connector sleeve | 106E |
| Z141/2z1 | Circuit 87C connector sleeve | 176E |
| Z142/2z1 | Exhaust gas LIN end sleeve | 138G |
| Z142/5z1 | Powertrain control unit LIN connector sleeve | 115G |
| Z142z1 | Powertrain control unit LIN connector sleeve | 77E |
| Z148/1z1 | Drivetrain circuit 31 connector sleeve | 173G |
| Z148/1z1 | Drivetrain circuit 31 connector sleeve | 162E |
| Z4/3z1 | Tml. 30 connector sleeve | 3G |
| Z50/5z1 | Tml. 15 connector sleeve | 13E |
| Z6/149z1 | Ground connection connector sleeve | 112G |
| Z6/8z1 | Sensor ground connector sleeve | 45E |
| Z68/20z1 | Vehicle interior LIN bus connector sleeve | 67F |
| Z68/20z1 | Vehicle interior LIN bus connector sleeve | 59F |
| Z7/104z1 | Circuit 87 C2 connector sleeve | 113G |
| Z7/48z1 | Circuit 87/2 connector sleeve | 65G |
| Z7/48z1 | Circuit 87/2 connector sleeve | 143E |
| Z7/48z1 | Circuit 87/2 connector sleeve | 152E |
| Z7/55z1 | Sensor power supply connector sleeve 2 | 54G |
| Z80z1 | Cross section reduction connector sleeve | 147E |
| Z80z1 | Cross section reduction connector sleeve | 156E |