Connector Separation Point Wiring Diagram - PE54.18-P-2300-97FBK
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
Model 205 up to model year 2019
X26
Model 253 (except 253.99) up to model year 2020
X26
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 234L |
| A101 | Fuel tank diagnostic module | 97L |
| A16/1 | Knock sensor 1 | 133L |
| A16/2 | Knock sensor 2 | 132L |
| A9/7 | Refrigerant compressor with magnetic clutch | 39L |
| A9/7 | Refrigerant compressor with magnetic clutch | 36L |
| A9/7 | Refrigerant compressor with magnetic clutch | 104L |
| A9/7 | Refrigerant compressor with magnetic clutch | 107L |
| A9/7 | Refrigerant compressor with magnetic clutch | 22A |
| A9/7 | Refrigerant compressor with magnetic clutch | 196L |
| A9/7 | Refrigerant compressor with magnetic clutch | 193L |
| A9/7 | Refrigerant compressor with magnetic clutch | 188A |
| A9/7y1 | Refrigerant compressor regulation valve | 35L |
| A9/7y1 | Refrigerant compressor regulation valve | 38L |
| A9/7y1 | Refrigerant compressor regulation valve | 103L |
| A9/7y1 | Refrigerant compressor regulation valve | 106L |
| A9/7y1 | Refrigerant compressor regulation valve | 195L |
| A9/7y1 | Refrigerant compressor regulation valve | 192L |
| A9/7y2 | Refrigerant compressor magnetic clutch | 39L |
| A9/7y2 | Refrigerant compressor magnetic clutch | 108L |
| A9/7y2 | Refrigerant compressor magnetic clutch | 196L |
| B16/10 | High-pressure exhaust gas recirculation temperature sensor | 206A |
| B19/11 | Temperature sensor upstream of turbocharger | 32A |
| B19/9 | Temperature sensor upstream of diesel particulate filter | 182A |
| B4/4 | Purging pressure sensor | 128L |
| B4/7 | Fuel pressure sensor | 26A |
| B4/7 | Fuel pressure sensor | 179A |
| B4/7 | Fuel pressure sensor | 228A |
| B50 | Fuel temperature sensor | 218L |
| B79/3 | Manual transmission main shifter shaft position sensor | 31L |
| B79/3 | Manual transmission main shifter shaft position sensor | 101L |
| B79/3 | Manual transmission main shifter shaft position sensor | 222L |
| B79/3x1 | Manual transmission main shifter shaft position sensor electrical connector | 101H |
| B79/3x1 | Manual transmission main shifter shaft position sensor electrical connector | 222H |
| Code 228 | Stationary heater | 53F |
| Code 460 | Canada version | 63H |
| Code 460 | Canada version | 126F |
| Code 494 | USA version | 63H |
| Code 494 | USA version | 95F |
| Code 494 | USA version | 95A |
| Code 494 | USA version | 126F |
| Code B09 | Refrigerant compressor with magnetic clutch | 37C |
| Code B09 | Refrigerant compressor with magnetic clutch | 105C |
| Code B09 | Refrigerant compressor with magnetic clutch | 194D |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 87F |
| Code ME06 | Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) | 91F |
| Code ME06 | Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) | 91A |
| G2 | Alternator | 147L |
| G3/3 | Left oxygen sensor upstream of catalytic converter | 136L |
| G3/3x1 | Electrical connector for left oxygen sensor upstream of catalytic converter | 134J |
| G3/4 | Right oxygen sensor upstream of catalytic converter | 139L |
| G3/4x1 | Electrical connector for right oxygen sensor upstream of catalytic converter | 138J |
| K40/8 | Engine fuse and relay module | 14L |
| K40/8 | Engine fuse and relay module | 78L |
| K40/8 | Engine fuse and relay module | 114L |
| K40/8 | Engine fuse and relay module | 169L |
| K40/8 | Engine fuse and relay module | 212L |
| K40/8f101 | Fuse 101 | 76L |
| K40/8f101 | Fuse 101 | 110L |
| K40/8f101 | Fuse 101 | 168L |
| K40/8f101 | Fuse 101 | 210L |
| K40/8f102 | Fuse 102 | 74L |
| K40/8f102 | Fuse 102 | 113L |
| K40/8f102 | Fuse 102 | 165L |
| K40/8f102 | Fuse 102 | 209L |
| K40/8f104 | Fuse 104 | 12L |
| K40/8f104 | Fuse 104 | 75L |
| K40/8f104 | Fuse 104 | 111L |
| K40/8f104 | Fuse 104 | 167L |
| K40/8f104 | Fuse 104 | 211L |
| M75/11 | Electric coolant pump | 55L |
| N118 | Fuel pump control unit | 26L |
| N118 | Fuel pump control unit | 177L |
| N118 | Fuel pump control unit | 227L |
| N127 | Drivetrain control unit | 60L |
| N129/1 | Power electronics control unit | 18L |
| N129/1 | Power electronics control unit | 93L |
| N14/3 | Glow output stage | 157L |
| N14/3 | Glow output stage | 211A |
| N22/1 | Climate control control unit | 22L |
| N22/1 | Climate control control unit | 83L |
| N22/1 | Climate control control unit | 122L |
| N22/1 | Climate control control unit | 187L |
| N22/1 | Climate control control unit | 200L |
| N3/10 | ME-SFI [ME] control unit | 93A |
| N3/10 | ME-SFI [ME] control unit | 127A |
| N3/10 | ME-SFI [ME] control unit | 131A |
| N3/10 | ME-SFI [ME] control unit | 137A |
| N3/10 | ME-SFI [ME] control unit | 146A |
| N3/9 | CDI control unit | 4L |
| N3/9 | CDI control unit | 8L |
| N3/9 | CDI control unit | 16A |
| N3/9 | CDI control unit | 29A |
| N3/9 | CDI control unit | 182L |
| N3/9 | CDI control unit | 205L |
| N3/9 | CDI control unit | 176A |
| N3/9 | CDI control unit | 220A |
| N83/1 | DC/DC converter control unit | 89L |
| S43 | Oil level check switch | 144L |
| U12 | Valid for left-hand drive vehicles | 79F |
| U13 | Valid for right-hand drive vehicles | 79F |
| U133 | Valid for M274 (175 kW) | 40F |
| U134 | Not valid for M274 (175 kW) | 53F |
| U175 | Not valid for USA and Canada | 66H |
| U2 | Not valid for USA | 66H |
| U24 | Valid for manual transmission | 100F |
| U24 | Valid for manual transmission | 100A |
| U462 | Valid without code B09 Refrigerant compressor with magnetic clutch | 34C |
| U462 | Valid without code B09 Refrigerant compressor with magnetic clutch | 102C |
| U462 | Valid without code B09 Refrigerant compressor with magnetic clutch | 191D |
| U561 | Valid for Delphi system | 150A |
| U74 | Valid for diesel engines | 124B |
| U75 | Valid for gasoline engines | 124B |
| U974 | Not valid for hybrid drive | 34B |
| U974 | Not valid for hybrid drive | 81F |
| U974 | Not valid for hybrid drive | 102B |
| U974 | Not valid for hybrid drive | 120F |
| U974 | Not valid for hybrid drive | 191B |
| U974 | Not valid for hybrid drive | 184B |
| W11 | Combustion engine ground point | 19A |
| W16/5 | Left major assembly compartment electronics ground point | 80L |
| W16/5 | Left major assembly compartment electronics ground point | 173L |
| W16/5 | Left major assembly compartment electronics ground point | 214L |
| W16/5 | Left major assembly compartment electronics ground point | 119C |
| W16/6 | Right major assembly compartment ground point | 80L |
| W2 | Right front ground point (at lamp unit) | 93C |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 21H |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 84H |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 123H |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 188H |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 200H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 10H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 71H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 66H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 75H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 109G |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 110G |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 164H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 208H |
| X26 | Interior and engine wiring harness electrical connector | 6E |
| X26 | Interior and engine wiring harness electrical connector | 64E |
| X26 | Interior and engine wiring harness electrical connector | 116E |
| X26 | Interior and engine wiring harness electrical connector | 141H |
| X26 | Interior and engine wiring harness electrical connector | 131E |
| X26 | Interior and engine wiring harness electrical connector | 163E |
| X26 | Interior and engine wiring harness electrical connector | 201E |
| Y101/2 | Right bypass air switchover valve | 142L |
| Y130 | Engine oil pump valve | 143L |
| Y133 | Coolant pump switchover valve | 42L |
| Y133 | Coolant pump switchover valve | 152L |
| Y49/1 | Intake camshaft solenoid | 51L |
| Y49/2 | Exhaust camshaft solenoid | 47L |
| Y74 | Pressure regulator valve | 172A |
| Y94 | Quantity control valve | 161L |
| Y94 | Quantity control valve | 216L |
| Z130z1 | Sensor voltage supply connector sleeve | 210D |
| Z142z1 | Powertrain control unit LIN connector sleeve | 64G |
| Z2z1 | Circuit 87M connector sleeve | 43E |
| Z340z1 | Sensors circuit 31 connector sleeve | 212D |
| Z3z1 | Circuit 87M connector sleeve | 52H |
| Z4z1 | Circuit 87M connector sleeve | 53E |
| Z5z1 | Connector sleeve in wiring harness | 130E |
| Z5z1 | Connector sleeve in wiring harness | 148E |
| Z6/1z1 | Ground line connector sleeve | 80C |
| Z6/29z1 | Connector sleeve, ground connection for fuel pump | 25H |
| Z6/29z1 | Connector sleeve, ground connection for fuel pump | 178H |
| Z6/29z1 | Connector sleeve, ground connection for fuel pump | 228H |
| Z6/32z1 | Sensor ground line connector sleeve | 31A |
| Z6/32z1 | Sensor ground line connector sleeve | 204A |
| Z6/8z1 | Sensor ground connector sleeve | 182H |
| Z68/20z1 | Vehicle interior LIN bus connector sleeve | 64K |
| Z6z1 | Circuit 31 connector sleeve | 119L |
| Z7/35z1 | Circuit 87 M1e connector sleeve | 117L |
| Z7/36z1 | Circuit 87 M2e connector sleeve | 118L |
| Z7/36z1 | Circuit 87 M2e connector sleeve | 141E |
| Z7/38z1 | Circuit 87 M1i connector sleeve | 116L |
| Z7/44z2 | Sensor ground connector sleeve | 149E |
| Z7/47z1 | Circuit 87/1 connector sleeve | 6G |
| Z7/47z1 | Circuit 87/1 connector sleeve | 163H |
| Z7/47z1 | Circuit 87/1 connector sleeve | 206H |
| Z7/47z1 | Circuit 87/1 connector sleeve | 216A |
| Z7/48z1 | Circuit 87/2 connector sleeve | 8G |
| Z7/48z1 | Circuit 87/2 connector sleeve | 74H |
| Z7/48z1 | Circuit 87/2 connector sleeve | 109D |
| Z7/48z1 | Circuit 87/2 connector sleeve | 169H |
| Z7/48z1 | Circuit 87/2 connector sleeve | 204H |
| Z7/5z1 | Circuit 87 connector sleeve | 4G |
| Z7/5z2 | Circuit 87 connector sleeve | 3G |
| Z7/5z2 | Circuit 87 connector sleeve | 153E |
| Z7/5z2 | Circuit 87 connector sleeve | 156E |
| Z7/5z3 | Circuit 87 connector sleeve | 2G |