Mercedes-Benz SLK-Class (R171; 2005-2011) fuses and relays

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In this article, we consider the second-generation Mercedes-Benz SLK-Class (R171), produced from 2005 to 2011. Here you will find fuse box diagrams of Mercedes-Benz SLK200, SLK280, SLK300, SLK350, SLK55 2005, 2006, 2007, 2008, 2009, 2010 and 2011, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Mercedes-Benz SLK-Class 2005-2011


Cigar lighter (power outlet) fuse in the Mercedes-Benz SLK-Class is the fuse #47 in the Engine Compartment Fuse Box.


Instrument Panel Fuse Box

Fuse box location

The fuse box is located on the side of the instrument panel, behind the cover.The location of the fuses in the passenger compartment: Mercedes-Benz SLK-Class (R171; 2005-2011)

Fuse box diagram

Instrument panel fuse box diagram: Mercedes-Benz SLK-Class (2005-2011)

 

Assignment of the fuses in the instrument panel
No.Fused functionAmp
21Soft top operation control unit5
22Roof operating unit control unit5
23Airscarf system for left seat (up to 2008)25
23Media interface control unit (as of 2009)5
24Airscarf system for right seat (up to 2008)25
24Cell phone separation point (as of 2009)
25Heated seats (up to 2008)25
25Amplifier for sound system (as of 2009)40
26Radio systems (up to 2008)30
26Radio (as of 2009)25
27Left door control module25
28Right door control module25
29AC recirculation unit40
30Instrument cluster5
31Heated steering wheel (up to 2008)10
32Right rear power window motor (up to 2008)
Soft top operation control unit (as of 2009)
25
33LHD: Steering column module5
34Steering wheel adjustment (up to 2008)
Driver-side front seat adjustment control unit, with memory (as of 2009)
30
35Front passenger seat adjustment (up to 2008)
Passenger-side front seat adjustment control unit with memory (as of 2009)
30
36EIS [EZS] control unit
Electric steering lock control unit
15
37Upper control panel control unit
Automatic air conditioning (KLA) or comfort automatic air conditioning (C-AAC)
Mirror adjustment (up to 2008)
Vario roof (VD) control (up to 2008)
Duovalve (up to 2008)
Mirror folding-in (up to 2008)
HEAT control and operating unit (as of 2009)
Comfort AAC [KLA] control and operating unit (as of 2009)
7.5
38Soft top mechanism hydraulic unit40
39Left rear power window motor (up to 2008)
Soft top operation control unit (as of 2009)
25
40Data link connector (1.3) (up to 2008)
Central gateway control unit
5
41Radio systems (up to 2008)
Navigation system (up to 2008)
Emergency call system control unit (as of 2009)
Digital Audio Broadcasting control unit (as of 2009)
SDAR control unit (as of 2009)
5
42RHD: Steering column module5

Engine Compartment Fuse Box

Fuse box location

It is located in the engine compartment, under the cover.The location of the fuses in the engine compartment: Mercedes-Benz SLK-Class (R171; 2005-2011)

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Fuse box diagram

Under-hood fuse box diagram: Mercedes-Benz SLK-Class (2005-2011)

Assignment of the fuses and relay in the engine compartment
Fused functionAmp
43Fanfare15
44Glove compartment illumination with switch
Stowage compartment illumination between backrests (as of 2009)
Armrest stowage compartment lighting (as of 2009)
C-AAC [K-KIA] multifunction sensor
5
45ARMADA airbag control unit (up to 2008)
Airbag indicator and warning lamp (up to 2008)
Restraint systems control unit (as of 2009)
Front passenger seat occupied and child seat recognition sensor (as of 2009; USA)
Weight Sensing System (WSS) control unit (as of 2009; USA)
7.5
46Wiper system (WSA)40
47Cigar lighter with ashtray illumination
Interior socket
Radio systems (up to 2008)
15
48Not used-
49ARMADA airbag control unit (up to 2008)
Airbag indicator and warning lamp (up to 2008)
Restraint systems control unit (as of 2009)
7.5
50Switch and controls illumination on exterior lamp switch5
51Instrument cluster (up to 2008)
Headlamp range adjustment (HRA) (up to 2008)
Electric suction-type fan for engine/AC (up to 2008)
5
51HRA power module (as of 2009)
Valid with engine 113.989 (SLK55 AMG): Control unit box blower motor (as of 2009)
7,5
52Starter 15
53Engine control circuit 87/M1 (up to 2008)
Rear SAM control unit with fuse and relay module (as of 2009)
Starter relay (as of 2009)
Valid for engines 271, 272: ME-SFI [ME] control unit (as of 2009)
Valid with engine 113.989 (SLK 55 AMG): ME-SFI [ME] control unit (as of 2009)
Valid with engine 113.989 (SLK 55 AMG): Circuit 87 M1e connector sleeve (as of 2009)
Valid for engine 272: Circuit 87 M1e connector sleeve (as of 2009)
25
54Engine control, circuit 87/M2 (up to 2008)
AAC with integrated control additional fan motor (as of 2009)
Valid with engine 113.989 (SLK55 AMG), 272: Air pump relay (as of 2009)
15
55Headlamp range adjustment (HRA)
Backup lamp switch (up to 2008)
Valid for transmission 722:Electric control unit (VGS) (up to 2008)
Valid for transmission 722: Electronic selector lever module control unit (as of 2009)
Valid for transmission 722.6: ETC [EGS] control unit (as of 2009)
7.5
56Electronic stability program (ESP)5
57EIS [EZS] control unit
Valid for engine 113.989 (SLK 55 AMG), 272: Engine management
5
58Not used-
59ESP [Electronic Stability Program] (pump)50
60ESP (valve block)40
61Not used-
62Data link connector
Exterior lamp switch
5
63Exterior lamp switch5
64Radio systems (up to 2008)
Navigation system (up to 2008)
10
65Valid for engine 113.989 (SLK 55 AMG), 272: Electric air pump40
Relay
IFAN relay module (up to 2008)
Fanfare horn I relay (as of 2009)
KCircuit 87 relay, chassis
LWiper relay, stage 1-2
MCircuit 15R relay
NBackup relay
OValid with engine 113.989 (SLK55 AMG), engine 272: Air pump relay
PCircuit 15 relay
QWiper ON and OFF relay
RCircuit 87 relay, engine
SStarter relay

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Engine Pre-Fuse Box

Engine Pre-Fuse Box: Mercedes-Benz SLK-Class (2005-2011)

Fused functionAmp
1Interior fuse box125
2Rear SAM control module with fuse and relay module200
3Spare125
4Driver-side SAM control module with fuse and relay module, part 1200
5Electric suction-type fan for engine/AC125
6Driver-side SAM control module with fuse and relay module, part 460

Luggage Compartment Fuse Box

Fuse box location

The fuse box is located in the luggage compartment (on the left-side).The location of the fuses in the luggage compartment: Mercedes-Benz SLK-Class (R171; 2005-2011)

Fuse box diagram

Trunk fuse box diagram: Mercedes-Benz SLK-Class (2005-2011)

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Assignment of the fuses and relay in the trunk
Fused functionAmp
1Vehicle Information and Communication System (VICS) (Japan only) (up to 2008)5
2Not used-
3Telephone system (up to 2008)
Tire pressure monitor control unit (as of 2009)
Parktronic control unit (as of 2009)
7.5
4Fuel pump assembly20
5Reserve 2 relay (as of 2009)20
6Not used-
7Reserve 1 relay (as of 2009)20
8Left antenna amplifier module, right antenna amplifier module (up to 2008), left rear bumper antenna amplifier (up to 2008)
Anti-theft alarm system (ATA [EDW])
Compensator
5
9Parktronic System (PTS) (up to 2008)5
9Seat heater, AIRSCARF and steering wheel heater control unit (as of 2009)25
10Rear window defroster40
11Not used-
12Not used-
13Stowage compartment illuminat (up to 2008)
CDA telephone (retrofit wiring harness) (up to 2008)
Lumbar pump (as of 2009)
Emergency call system control unit (as of 2009)
VICS+ETC voltage supply separation point (as of 2009)
5
14Not used-
15Interior central locking (up to 2008)
Filler cap release (up to 2008)
Fuel filler flap CL [ZV] motor (as of 2009)
Glove compartment CL [ZV] motor (as of 2009)
CL center console compartment motor (as of 2009)
5
16Lumbar pump (as of 2009)7.5
17Digital Audio Radio satellite (SDAR) (USA only) (up to 2008)
Voice control system (VCS) (USA only) (up to 2008)
5
18Seat heater, AIRSCARF and steering wheel heater control unit (as of 2009)20
19CD player with changer (in glove compartment) (up to 2008)
Navigation system (up to 2008)
7.5
19Seat heater, AIRSCARF and steering wheel heater control unit20
20Emergency call system (USA only) (up to 2008)7.5
20Seat heater, AIRSCARF and steering wheel heater control unit10
Relay
AFuel pump relay
BVICS relay (Japan only)
CReserve 2 relay
DReserve 1 relay
ERear window defroster relay
FCircuit 15R, relay 1
GFuel filler cap polarity change 1 relay
HFuel filler cap polarity change 2 relay