| fuse | - | Vehicle interior sound generator control unit |
| fuse | - | Supplemental Restraint System control unit |
| fuse | - | Overhead control panel control unit |
| fuse | - | [Valid for engine 651 (Emissions standard EU6)]: Powertrain control unit |
| fuse | - | Panoramic sliding sunroof control module |
| fuse | - | Radio (Radio 20, Audio 20 USB) |
| fuse | - | COMAND fan motor |
| fuse | - | Camera cover control unit |
| fuse | - | |
| fuse | - | |
| fuse | - | |
| fuse | - | Trailer recognition control unit |
| fuse | - | |
| fuse | - | Telematics services communications module KEYLESS-GO control unit |
| fuse | - | Electronic Toll Collection control unit Dedicated Short-Range Communications control unit |
| fuse | - | Glove compartment lamp |
| fuse | - | Emergency vehicle fuse box |
| fuse | - | |
| fuse | - | |
| fuse | - | |
| fuse | - | Rear center console socket |
| fuse | - | Luggage compartment socket |
| fuse | - | Trailer recognition control unit |
| fuse | - | Front cigarette lighter with ashtray illumination Vehicle interior power outlet |
| fuse | - | Electric parking brake control unit |
| fuse | - | Electric parking brake control unit |
| fuse | - | Trailer recognition control unit |
| fuse | - | Trailer recognition control unit |
| fuse | - | Trailer recognition control unit |
| fuse | - | Left front door control unit |
| fuse | - | Right front door control unit |
| fuse | - | SAM control unit |
| fuse | - | ECO start/stop additional battery connector sleeve |
| fuse | - | [4MATIC]: All-wheel drive control unit |
| fuse | - | Engine compartment fuse and relay module |
| fuse | - | Rear window heater |
| fuse | - | Rear window heater [For model 156] |
| fuse | - | Parking system control unit |
| fuse | - | Left front reversible emergency tensioning retractor |
| fuse | - | Right front reversible emergency tensioning retractor |
| fuse | - | Front passenger seat control unit Front passenger seat lumbar support adjustment control unit |
| fuse | - | Adaptive damping system control unit |
| fuse | - | |
| fuse | - | Steering column tube module control unit |
| fuse | - | [Special vehicle]: Special-purpose vehicle multifunction control unit |
| fuse | - | Steering column tube module control unit |
| fuse | - | Emergency vehicle fuse box |
| fuse | - | Front passenger seat control uni |
| fuse | - | Driver seat control unit |
| fuse | - | Sound system amplifier control unit |
| fuse | - | [Valid for transmission 711]: Electric steering lock control unit |
| fuse | - | Fuel system control unit |
| fuse | - | Trunk lid/liftgate control control unit Emergency vehicle fuse box |
| fuse | - | SAM control unit |
| fuse | - | SAM control unit |
| fuse | - | Blower regulator |
| fuse | - | Audio/COMAND control panel |
| fuse | - | Overhead control panel control unit |
| fuse | - | Electronic ignition lock control unit |
| fuse | - | |
| fuse | - | |
| fuse | - | FM, AM and CL [ZV] antenna amplifier. [from June 2016]: Cellular telephone system antenna amplifier / compensator |
| fuse | - | Diagnostic connector |
| fuse | - | Instrument cluster |
| fuse | - | Exterior lights switch |
| fuse | - | Left rear bumper intelligent radar sensor Intelligent radar sensor for right rear bumper |
| fuse | - | Pedal operation monitor switch Footwell illumination switch |
| fuse | - | ACC control and operating unit |
| fuse | - | Fuel system control unit |
| fuse | - | Electric parking brake control unit |
| fuse | - | Supplemental Restraint System control unit |
| fuse | - | Front passenger seat occupied recognition and ACSR Weight sensing system (WSS) control unit |
| fuse | - | Tailgate wiper motor |
| fuse | - | Mobile phone electrical connector |
| fuse | - | SAM control unit |
| fuse | - | Tire pressure monitor control unit |
| fuse | - | [Valid for engine 133]: DIRECT SELECT INTERFACE |
| fuse | - | [4MATIC]: All-wheel drive control unit |
| fuse | - | Driver seat control unit Driver seat lumbar support adjustment control unit |
| fuse | - | Stationary heater radio remote control receiver. [Valid for AMG vehicles]: Transmission mode control unit. [from June 2016]: Antenna changeover switch for telephone and stationary heater |
| fuse | - | Emergency call system control unit Telematics services communications module HERMES control unit |
| fuse | - | Media interface control unit Multimedia connection unit |
| fuse | - | Tuner unit |
| fuse | - | Multifunction camera |
| fuse | - | Digital TV tuner |
| fuse | - | [from June 2016] Reversing camera |
| fuse | - | [to June 2016] Reversing camera |
| fuse | - | Charging socket electrical connector |
| fuse | - | Radio COMAND controller unit Engine sound control unit |
| battery-terminal | - | Additional battery relay for ECO start/stop function |
| fuse | - | Audio/COMAND display |
| battery-terminal | - | Valid for diesel engine: PTC heater booster |
| battery-terminal | - | |
| relay | - | Circuit 15 relay |
| relay | - | Rear window wiper relay |
| relay | - | Circuit 15R2 relay |
| relay | - | Heated rear window relay |
| relay | - | Circuit 15R1 relay |
| relay | - | Circuit 30g relay |
| relay | - | Not used |