2010-2018 Mercedes-Benz SLK & SLC (R172)
Location and description of fuses and relay Mercedes-Benz SLK (R172) with engine 1.6L (SLC 180), 1.8L (SLK 200, SLK 250), 2.0L (SLC 200, SLC 300), 3.0L (SLC 43 AMG), 3.5L (SLK 350), 5.5L (SLK 55 AMG) and diesel 2.2L (SLK 250 CDI) (2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018)
F32 / F32/5 - Front prefuse box
N10/1 - Front SAM control unit with fuse and relay module
N10/2 - Rear SAM control unit with fuse and relay module
Fuse box in the engine compartment
* Make sure that no moisture can enter the fuse box when the cover is open.
* When closing the cover, make sure that it is lying correctly on the fuse box. Moisture seeping in or dirt could otherwise impair the operation of the fuses.
* Make sure that the windshield wipers are turned off.
1. Open the hood.
2. Use a dry cloth to remove any moisture from the fuse box.
3. To open: open clamp (1)
4. Remove fuse box cover (2) forwards.
5. To close: check whether the seal is seated correctly in cover (2)
6. Insert cover (2) at the rear of the fuse box into the retainer.
7. Fold down cover (2) and close clamps (1)
8. Close the hood.
| No. | A | Description |
|---|---|---|
| 1 | 25 | Electronic Stability Program control unit |
| 2 | 30 | Vario roof control control unit |
| 3 | 30 | Vario roof control control unit |
| 4 | 20 | →2017: Headlamp control unit Diesel: Fuel filter condensation sensor with heating element |
| 5 | 7.5 | Rear SAM control unit with fuse and relay module Electrohydraulic power steering via engine compartment/FFS electrical connector (2017→) Exterior lights switch (2017→) |
| 6 | 10 | Diesel: CDI control unit |
| 10 | Gasoline: ME-SFI control unit | |
| 7 | 20 | Starter via starter circuit 50 relay |
| 8 | 7.5 | Supplemental Restraint System control unit |
| 9 | 15 | Vehicle interior socket, front Cigarette lighter with ashtray illumination |
| 10 | 30 | Wiper motor Wiper park position heater (→2017) |
| 11 | 7.5 | Audio/COMAND display Audio/COMAND control panel |
| 12 | 7.5 | ACC control and operating unit Overhead control panel control unit Steering column tube module control unit (2017→) |
| 13 | 7.5 | Steering column tube module control unit Multifunction camera |
| 14 | 7.5 | Electronic Stability Program control unit |
| 15 | 7.5 | Supplemental Restraint System control unit |
| 16 | 5 | Radio fan electrical connector (2017→) Valid with transmission 725: DIRECT SELECT INTERFACE (2017→) Navigation module electrical connector (→2017) |
| 7.5 | Valid with transmission 725: DIRECT SELECT INTERFACE | |
| 7.5 | Valid with transmission 722: Electronic selector lever module control unit | |
| 17 | 30 | Left front lamp unit and right front lamp unit |
| 7.5 | →31.05.2012: Overhead control panel control unit | |
| 18 | 7.5 | Upper control panel control unit Overhead control panel control unit Backup relay (→2017) |
| 19 | 20 | Valid with transmission 725: Electronic ignition lock control unit |
| 20 | Valid for manual transmission: Electronic ignition lock control unit Electric steering lock control unit | |
| 20 | 40 | Electronic Stability Program control unit |
| 21 | 7.5 | Glove compartment lamp |
| 22 | 15 | Fan motor for internal combustion engine and air conditioning with integrated control (2017→) M152, M271, M274, M276, OM651: Electrical connector for interior harness and engine wiring harness M276, OM651: Engine compartment/vehicle interior electrical connector M152, M271, M276, OM651: Circuit 87 M2e connector sleeve M274: Connector sleeve, circuit 87/2 Diesel: CDI control unit Engine compartment/FFS [RBA] electrical connector (→2017) |
| 23 | 20 | M152, M271, M274, M276: Electrical connector for interior harness and engine wiring harness Diesel: Quantity control valve Circuit 87 M1e connector sleeve (2017→) M276 (→2017): Engine compartment/vehicle interior electrical connector |
| 24 | 15 | M152, M271, M274, M276: Electrical connector for interior harness and engine wiring harness M274: Coolant circulation pump relay Diesel: Engine compartment/vehicle interior electrical connector CDI control unit (→2017) China (2017→): Radiator shutters actuator |
| 25 | 15 | M276: Circuit 87 M4e connector sleeve M274: Circuit 87 M1 connector sleeve M152: Circuit 87 connector sleeve Diesel: Oxygen sensor upstream of catalytic converter OM651: (01.06.2015→) NOx sensor control unit downstream of diesel particulate filter NOx sensor control unit downstream of SCR catalytic converter |
| 26 | 20 | →2017: Radio COMAND controller unit |
| 20 | 2017→: Left front lamp unit and right front lamp unit | |
| 27 | 7.5 | Electronic ignition lock control unit Diesel: CDI control unit Gasoline: ME-SFI control unit |
| 28 | 7.5 | Instrument cluster Analog clock |
| 29 | 10 | →2017: Right front lamp unit |
| 10 | 2017→: Right headlamp range adjustment actuator motor | |
| 30 | 10 | →2017: Left front lamp unit |
| 10 | 2017→: Left headlamp range adjustment actuator motor | |
| 31A | 15 | Left fanfare horn Right fanfare horn |
| 31B | 15 | Left fanfare horn Right fanfare horn |
| 32 | 40 | M274 (2017→): Electric air pump |
| 40 | OM651: AdBlue® control unit | |
| 33 | 10 | Valid for transmission 722: Fully integrated transmission control unit |
| 34 | 7.5 | Fuel system control unit OM651: AdBlue® control unit |
| 35 | 5 | Electronic Stability Program control unit Right outer rear bumper integrated radar sensor and left outer rear bumper integrated radar sensor (2017→) |
| 36 | 7.5 | COLLISION PREVENTION ASSIST controller unit (2017→) DISTRONIC electric controller unit Left front bumper DISTRONIC (DTR) sensor (→2017) Right front bumper DISTRONIC (DTR) sensor (→2017) |
| Relay | ||
| J | Circuit 15 | |
| K | Circuit 15R | |
| L | Reserve | |
| M | Starter circuit 50 | |
| N | Engine circuit 87 | |
| O | Horn | |
| P | M271, M274 or OM651.9 (→01.06.2015): Adblue®/secondary air injection | |
| Q | →29.02.2016: Backup | |
| R | Chassis circuit 87 | |
Gasoline:
- SLC 180 - 1.6L (M274)
- SLK 200 - 1.8L (M271)
- SLC 200 - 2.0L (M274)
- SLK 250 - 1.8L (M271)
- SLC 300 - 2.0L (M274)
- SLK 350 - 3.5L (M276)
- SLC 43 AMG - 3.0L (M276)
- SLK 55 AMG - 5.5L (M152)
Diesel:
- SLK 250 CDI / SLC 250 d - 2.2L (OM651)
Fuse box in the trunk
The fuse box is located in the trunk behind the partition covering.
Make sure that no moisture can enter the fuse box when the cover is open.
1. Open the trunk lid.
2. To open: release cover (1) on the right and left-hand sides with a flat object.
3. Open cover (1) downwards in the direction of the arrow.
| No. | A | Description |
|---|---|---|
| 37 | 7.5 | Driver seat NECK-PRO head restraint solenoid Front passenger seat NECK-PRO head restraint solenoid |
| 38 | - | - |
| 39 | 30 | Left door control unit |
| 40 | 15 | Adaptive damping system control unit |
| 41 | 30 | Right door control unit |
| 42 | 25 | Fuel system control unit |
| 43 | - | - |
| 44 | - | - |
| 45 | - | - |
| 46 | 7.5 | FM, AM and CL [ZV] antenna amplifier FM 2, DAB and TV antenna amplifier (→2017) Alarm siren Interior protection sensor |
| 47 | - | - |
| 48 | - | - |
| 49 | 30 | Rear window heater |
| 50 | 50 | Right reversible emergency tensioning retractor |
| 51 | 50 | Left reversible emergency tensioning retractor |
| 52 | - | - |
| 53 | - | - |
| 54 | - | - |
| 55 | - | - |
| 56 | - | - |
| 57 | - | - |
| 58 | - | - |
| 59 | 5 | Electric parking brake control unit |
| 60 | - | - |
| 61 | 25 | AIRSCARF control unit |
| 62 | 30 | Driver seat control unit |
| 63 | 25 | AIRSCARF control unit |
| 64 | 30 | Front passenger seat control unit |
| 65 | 10 | Valid for transmission 722, 725 (ECO start/stop) (→2017): Electric oil pump |
| 66 | - | - |
| 67 | 40 | Sound system amplifier control unit |
| 68 | 15 | 2017→: Engine sound control unit |
| 69 | 20 | 2017→: Radio (2017→) COMAND controller unit (2017→) |
| 70 | 5 | Tire pressure monitor control unit |
| 71 | 7.5 | M274 (2017→): Left exhaust flap actuator motor |
| 72 | 15 | →2017: Center console stowage compartment socket |
| 73 | 10 | M274, MM276 (2017→): Charge air cooler circulation pump relay |
| 74 | 7.5 | KEYLESS-GO control unit |
| 75 | 20 | Vario roof control control unit |
| 76 | 7.5 | MAGIC SKY CONTROL control unit |
| 77 | 5 | Cellular telephone system antenna amplifier / compensator |
| 78 | 7.5 | →2017: Media interface control unit |
| 79 | 5 | →2017: Radar sensors control unit |
| 5 | 2017→: Multimedia connection unit | |
| 80 | 7.5 | Parking system control unit |
| 81 | 5 | Mobile phone contact plate |
| 82 | 5 | 2017→: Reversing camera |
| 83 | 7.5 | →2017: VICS and Electronic Toll Collection power supply electrical connector |
| 7.5 | 2017→: Dedicated Short-Range Communications control unit | |
| 84 | 5 | 2017→: Digital Audio Broadcasting control unit Satellite digital audio radio (SDAR) control unit |
| 85 | 7.5 | →2017: Digital TV tuner |
| 7.5 | 2017→: Tuner unit | |
| 86 | 5 | →2017: Camera cover control unit |
| 87 | 7.5 | →2017: Emergency call system control unit |
| 7.5 | 2017→: HERMES control unit eCall Russia control unit (GLONASS) | |
| 88 | 80 | Internal supply of rear SAM control unit with fuse and relay module |
| 89 | 30 | Electric parking brake control unit |
| 90 | 30 | Electric parking brake control unit |
| 91 | - | - |
| 92 | - | - |
| Relay | ||
| A | Terminal 15 | |
| B | Circuit 15R (1) | |
| C | Heated rear window | |
| D | Fuel pump | |
| R | - | |
| F | Seat adjustment | |
| G | Circuit 15R (2) | |
Front prefuse
ECO start/stop
Except ECO start/stop
| No. | A | Description |
|---|---|---|
| 150 | - | - |
| 151 | 100 | Fan motor for internal combustion engine and air conditioning with integrated control |
| 152 | 150 | Front SAM control unit with fuse and relay module |
| 153 | 100 | ECO start/stop: Front SAM control unit with fuse and relay module |
| 60 | ECO start/stop (2017→): Front SAM control unit with fuse and relay module | |
| 154 | 100 | except ECO start/stop: Front SAM control unit with fuse and relay module |
| 155 | - | - |
| 156 | - | - |
| 157 | 100 | 01.06.2015→: Electrohydraulic power steering |
| 120 | 2017→: Electrohydraulic power steering | |
| 158 | 50 | Blower regulator and blower motor |
| 40 | 2017→: Blower regulator and blower motor | |
| 159 | 40 | Vario roof control control unit |
| 160 | 60 | Valid with transmission 725: Fully integrated transmission control controller unit |
| 161 | 100 | Front SAM control unit with fuse and relay module |
| 162 | - | - |
| 163 | 150 | Rear SAM control unit with fuse and relay module |
| 200 | 2017→: Rear SAM control unit with fuse and relay module | |
| 164 | 100 | ECO start/stop: Supply via ECO start/stop function additional battery except ECO start/stop: Supply from on-board electrical system battery |
| 200 | 2017→: Supply via ECO start/stop function additional battery |
ECO start/stop function additional battery relay
