Mercedes-Benz SLK Fuse Box Diagram and Location (1995-2004)

The first-generation Mercedes-Benz SLK-Class (R170), produced from 1995 to 2004, introduced the world to a compact luxury roadster with a retractable hardtop, blending sporty performance with everyday practicality. The SLK was celebrated for its agile handling, stylish design, and premium Mercedes-Benz engineering, making it a favorite among driving enthusiasts and convertible lovers.

In this article, you will find fuse box diagrams for the Mercedes-Benz SLK-Class, covering models SLK200, SLK230, SLK320, and SLK32 AMG for the years 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, and 2004. These diagrams provide essential insights into the fuse layout, helping vehicle owners, mechanics, and technicians locate and understand the function of each fuse and relay.

What’s Included:

  • Fuse Box Diagrams – Clear and detailed visuals to help identify fuses, relays, and circuit breakers.
  • Fuse Panel Locations – Step-by-step guidance on where to find the fuse panels inside the Mercedes-Benz SLK.
  • Fuse Assignments – Comprehensive descriptions of each fuse and relay function for accurate diagnostics and troubleshooting.

Whether you’re searching for the fuse panel layout, replacing a blown fuse, or diagnosing an electrical issue, this guide is an essential resource. It ensures that your Mercedes-Benz SLK’s electrical system remains functional and reliable for sporty weekend drives, top-down cruising, and everyday use.

Keep your Mercedes-Benz SLK-Class (1995–2004) running at its best with this detailed fuse box, fuse panel, and relay guide!

  • The cigar lighter (power outlet) fuse in the Mercedes-Benz SLK-Class is:
    • fuse №31, located 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 (on the left in the LHD, on the right in the RHD).

The location of the fuses in the passenger compartment: Mercedes-Benz SLK-Class (1996-2004)

Fuse box diagram (Left-hand drive vehicles)

Instrument panel fuse box diagram (LHD): Mercedes-Benz SLK-Class (1996-2004)

Assignment of the fuses in the instrument panel (LHD)

№Fused functionAmp
1Not used–
2Stop lamp switch
Cruise control		15
3Right high beam High beam indicator lamp7.5
4Reverse lamp
Turn signal lamp
Rearview mirror dimming control
Parking aid control		15
5Left high beam7.5
6Right low beam15
7Front right parking light
Front right side marker (model 170 USA)
Right taillamp		7,5
8Left low beam15
9Left fog lamp
Right fog lamp		15
10Front left parking light
Front left side marker (model 170 USA)
Left taillamp		7,5
11License plate lamp
Instrument illumination
Symbol illumination
Automatic headlamp range control		7.5
12Rear fog lamp7.5

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Fuse box diagram (Right-hand drive vehicles)

Instrument panel fuse box diagram (RHD): Mercedes-Benz SLK-Class (1996-2004)

Assignment of the fuses in the instrument panel (RHD)

№Fused functionAmp
1Left fog lamp
Right fog lamp		15
2Rear fog lamp7.5
3Right front parking lamp
Right taillamp		7.5
4Left front parking lamp
Left taillamp		7.5
5Left high beam7.5
6License plate lamp
Instrument illumination
Symbol illumination
Automatic headlamp range control		7.5
7Right high beam
High beam indicator lamp		7.5
8Left low beam15
9Stop lamp
Cruise control		15
10Right low beam15
11Not used–
12Reverse lamp/turn signal lamp
Rearview mirror dimming control
Parking aid control		15

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Engine Compartment Fuse Box

Fuse box location

It is located in the engine compartment (left-side).

The location of the fuses in the engine compartment: Mercedes-Benz SLK-Class (1996-2004)

Fuse box diagram

Under-hood fuse box diagram: Mercedes-Benz SLK-Class (1996-2004)

Assignment of the fuses in the engine compartment

№Fused functionAmp
1Asra:
Turn signal lamps
Trailer turn signal lamps		7.5
1170 545 (01, 10, 20, 22, 28) 00:
Telephone
Garage door opening signal (170 545 (10, 20, 22, 28) 00)
E-Call (170 545 (20, 22, 28) 00)		5
2Asra:
Fanfare horn
Automatic heater: (Circulated air valve Automatic heater)
Daytime running lamp control module		15
2Asra:
Fanfare horn
Air conditioning (Tempmatic): (Electric suction-type fan control module, Recirculated air valve)
Air conditioning (Automatic): (Electric suction-type fan control module)
Daytime running lamp control module		20
2170 545 (01, 10, 20, 22, 28) 00:
Control unit-airbag
Control unit-automatic child seat recognition system		5
3Asra:
Instrument cluster
Exterior lamp failure monitoring module
Stop lamp switch (Stop lamps, Trailer stop lamps, Center high-mounted stop lamp, Traction system control module)
Heated windshield washer nozzle (Left, Right)
Heated washer nozzle hose (Left, Right)		15
3170 545 (01, 10, 20, 22, 28) 00:
Indicator, safety restraint system
Indicator, automatic child seat recognition system		5
4Asra: Right low beam headlamp7.5
4Asra: ATA low beam (USA, CH)15
4170 545 (01, 10, 20, 22, 28) 00: Wiper motor30
5Asra: Left low beam headlamp7.5
5170 545 (01, 10, 20, 22, 28) 00: Radio15
6Asra: Right high beam headlamp7.5
6170 545 (01, 10, 20, 22, 28) 00:  Exterior mirror adjustment, left and right15
7Asra:
Left high beam headlamp
High beam headlamp indicator		7.5
7170 545 (01, 10, 20, 22, 28) 00:
Soft top control indicator
Electronic transmission control
Park/reversing lock		5
8Asra:
Left fog lamp
Right fog lamp		10
8170 545 (01, 10, 20, 22, 28) 00: Radio15
9Asra:
Blower regulator
Air conditioning (Automatic)/Air conditioning (Tempmatic)		30
9170 545 (01, 10, 20, 22, 28) 00:
Roof light
Horn (170 545 (10, 20, 22, 28) 00)
Anti-theft-alarm (170 545 (10, 20, 22, 28) 00)
Boot light (170 545 (20, 22, 28) 00)		10
11Ignition coils15
11Engine control10
12Heated windshield washer system thermoswitch (Washer nozzles, Hose heater)10
13Asra, 170 545 (01, 10, 20) 00:
Diagnostic socket
Telephone
E-Call (170 545 (20, ??) 00)		5
13170 545 (22, 28) 00:
Diagnostic socket
Telephone		10
14Asra, 170, 545, 01 00:  Sound system (Left/right audio power amplifier)25
14170 545 (10, 20, 22, 28) 00:  Soundbooster20
15Asra, 170 545 01 00: HFM-SFI engine control module (SLK 200 (170.435; 10.95 – 04.00)15
15170 545 (10, 20, 22, 28) 00:
Automatic heating system
Tempmatic
Auxiliary water pump		5
16Asra, 170 545 01 00: HFM-SFI engine control module (SLK 200 (170.435; 10.95 – 04.00)10
16170 545 (20, 22) 00: ABS/ESP30
17170 545 (20, 22) 00: ABS/ESP5
18170 545 28 00: E-Call5
19170 545 (10, 20, 22, 28) 00: Power window, front40
20170 545 (10, 20, 22, 28) 00: Power window, rear40
21170 545 (20, 22, 28) 00: Seat adjustment right side30
22170 545 (20, 22, 28) 00: Seat adjustment left side30
23170 545 22 00: Water pump – charged engine5
23170 545 28 00:  Water pump – 3,2 charged engine10
23170 545 10 00:
Central locking
Boot light		20
24170 545 (20, 22, 28) 00:  Hydraulic unit40
24170 545 10 00: Pneumatic control unit, rear window defroster20
25170 545 (20, 22, 28) 00:  Pneumatic control unit, rear window defroster20
25170 545 10 00:  Hydraulic unit40
26170 545 (20, 22, 28) 00:  Central locking20
30Seat heater5
31Front cigar lighter with ashtray illumination
Glove compartment lamp		15
32Combination switch (Wiper motor, Washer pump, Headlamp flasher)15
33Heater pushbutton control module 5
34Asra, 170 545 01 00:  Seat heater25
34170 545 (10, 20, 22, 28) 00:  Seat heater30
35Closing confirmation relay
Instrument cluster (Light warning buzzer)
Stationary heater/heater booster unit
Radio frequency remote control
Hazard warning flasher		15
36A/C system blower unit
Automatic heating system
Tempmatic		30
37Diagnosis (OBD II)
Radio frequency remote control
Instrument cluster
Automatic heater (HEAT):
Heater pushbutton control module (HEAT)
A/C control module (Tempmatic A/C)
Fresh/recirculated air flap switchover valve		5
M1Asra, 170 545 01 00:  Front power windows40
M2Asra, 170 545 01 00:  Rear power windows40
M3Asra, 170 545 01 00:  Fuse box in trunk 80
M4Asra, 170 545 01 00: Booster heater control module (SLK 200 Kompressor (170.445), SLK 230 Kompressor (170.447), left-hand steering LHS)40
M4170 545 01 00: Suction-type fan (tempmatic) (on RHD models in control unit box)50

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Fuse Box in the luggage compartment

Fuse box diagram

Trunk fuse box diagram: Mercedes-Benz SLK-Class (1996-2004)

№Fused functionAmp
23Asra: Supply pump (CL), Horn (ATA), Trunk lamp20
24Asra: PSE control module40
25Asra: Soft top mechanism hydraulic unit30
26Asra: Not used–

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