| 1 | 25 A | Valid for left-hand drive vehicle:Electronic Stability Program control unitPremium Electronic Stability Program control unitHybrid: Regenerative braking system control unitValid for right-hand drive vehicles:Blower regulator |
| 2 | 30 A | up to 31.05.2010:Left front door control unitValid for right-hand drive vehicles as of 01.06.2010:Left rear door control unit |
| 3 | 30 A | up to 31.05.2010:Right front door control unitValid for left-hand drive vehicles as of 01.06.2010:Right rear door control unit |
| 4 | 20 A | Valid with engine 157:Fuel system control unitValid for engine 642, 651 up to 31.05.2010:Fuel filter condensation sensor with heating element |
| 5 | 7,5 A | Instrument clusterExterior lights switchRear SAM control unit with fuse and relay moduleValid as of 01.03.2013:Electronic Stability Program control unitValid as of 01.03.2013:Premium Electronic Stability Program control unit |
| 6 | 10 A | Valid for diesel engine:CDI control unitValid for gasoline engine:ME-SFI control unitValid for engine 271.958, 274.920:CNG control unit |
| 7 | 20 A | Starter |
| 8 | 7,5 A | Supplemental restraint system control unit |
| 9 | 15 A | Glove compartment socket |
| 10 | 30 A | Wiper motorWiper park position heater |
| 11 | 7,5 A | Audio/COMAND displayAudio/COMAND control panelNavigation moduleCradle for navigation moduleCOMAND fan motor |
| 12 | 7,5 A | ACC control and operating unitUpper control panel control unitValid for transmission 722, 724, 725:Automatic transmission transmission mode buttonAIRMATIC:Suspension button group (P0700, P0705, P0750, P0755) |
| 13 | 7,5 A | Steering column tube module control unitMultifunction cameraStereo multifunction camera |
| 14 | 7,5 A | Electronic Stability Program control unitPremium Electronic Stability Program control unit |
| 15 | 7,5 A | Supplemental restraint system control unit |
| 16 | 5 A | Hybrid:Electrical refrigerant compressorValid with transmission 722.930/931:DIRECT SELECT INTERFACEValid for transmission 722 (except 722.930/931):Electronic selector lever module control unit |
| 17 | 30 A | Overhead control panel control unitPanoramic sliding roof control module |
| 18 | 7,5 A | Exterior lights switchHybrid:Power electronics control unitValid up to 28.02.2013:Instrument panel switch groupUpper control panel control unitValid for transmission 722 with ECO start/stop:Transmission oil auxiliary pump relay |
| 19 | 20 A | Valid except transmission 722.9:Electronic ignition lock control unitElectric steering lock control unit |
| 20 | 40 A | Valid for left-hand drive vehicle:Electronic Stability Program control unitPremium Electronic Stability Program control unitValid for left-hand drive vehicle, Hybrid: Regenerative braking system control unit |
| 21 | 7,5 A | Front passenger seat occupied recognition and ACSRWeight sensing system (WSS) control unitexcept Hybrid up to 28.02.2013:Brake lights switchHybrid up to 28.02.2013:Hybrid brake light switchSwitched through glove compartment lamp switchGlove compartment lamp |
| 22 | 15 A | Valid for fan motor with 650, 800 W: Fan motor for internal combustion engine and air conditioning with integrated controlValid for engine 156:Electrical connector for interior harness and engine wiring harnessCircuit 87 M2e connector sleeveValid for engine 157, 271, 272, 273, 274, 276, 278: Electrical connector for interior harness and engine wiring harnessValid for engine 271, 272.98, 274.9, 276 and engine 651 (except with 4MATIC): Radiator shutters actuatorValid for engine 642, 651:CDI control unitElectrical connector for interior harness and engine wiring harness |
| 23 | 20 A | Valid for diesel engine: Rear SAM control unit with fuse and relay moduleValid for engine 271, 642, 651: Circuit 87 M1e connector sleeveValid for engine 156, 157, 271, 272, 273, 274, 276, 278, 642, 651:Electrical connector for interior harness and engine wiring harnessValid for engine 271: ME-SFI control unit |
| 24 | 15 A | Valid for engine 156, 157, 271, 272, 273, 274, 276, 278, 642, 651:Electrical connector for interior harness and engine wiring harnessValid for diesel engine: CDI control unitValid for gasoline engine: ME-SFI control unitValid for engine 271.958, 274.920: CNG control unit |
| 25 | 15 A | Valid for engine 642, 651 with BlueTEC:Nitrogen oxides control unit downstream of diesel particulate filterNitrogen oxides control unit downstream of the SCR catalytic converterSoot particulate sensor control unitValid for gasoline engine: ME-SFI control unitHybrid:Transmission cooling coolant circulation pump relayHYBRID power electronics coolant circulation pump relayValid for engine 156: Connector sleeve, circuit 87 M3e |
| 26 | 20 A | RadioRadio with auto pilot systemCOMAND controller unit |
| 27 | 7,5 A | Valid for gasoline engine: ME-SFI control unitValid for diesel engine:CDI control unitElectronic ignition lock control unitValid for engine 271.958, 274.920: CNG control unit |
| 28 | 7,5 A | Instrument cluster |
| 29 | 10 A | Valid up to 28.02.2013: Right front lamp unit |
| 30 | 10 A | Valid up to 28.02.2013: Left front lamp unit |
| 31B | 15 A | Left fanfare hornRight fanfare horn |
| 32 | 40 A | Valid for engine 272: Electric air pump (P0410, P0411, P0412, P0413) |
| 33 | 10 A | Valid for transmission 722.6: Electronic transmission control control unitValid for transmission 722.9, 724, 725: Fully integrated transmission control controller unit (P0700, P0705, P0750, P0755) |
| 34 | 7,5 A | Valid for engine 156, 271, 272, 273, 642, 651: Fuel system control unit |
| 35 | 7,5 A | Hybrid: HYBRID control unit power supply relay |
| 36 | 7,5 A | Night View Assist control unitValid up to 28.02.2013: DISTRONIC electric controller unitValid as of 01.03.2013: Front long-range radar sensorValid as of 01.03.2013: COLLISION PREVENTION ASSIST controller unit |