Mercedes-Benz SLK (R170) (1995-2004) Fuse Diagram

Fuse box diagram (fuse layout), location, and assignment of fuses Mercedes-Benz SLK (R170) (SLK 200, SLK 230, SLK 320 and SLK 32 AMG) (1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004).

Mercedes-Benz SLK (R170) (1995-2004)

Checking and Replacing Fuses

The fuses in your vehicle serve to close down faulty circuits. If a fuse blows, all the components on the circuit and their functions stop operating. If a fuse has blown, the inside element will be melted. Blown fuses must be replaced with fuses of the same rating, which you can recognize by the color and value. The fuse ratings are listed in the fuse allocation chart.

If a newly inserted fuse also blows, have the cause traced and rectified at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.

Notice

  • Before changing a fuse, secure the vehicle against rolling away and switch off all electrical consumers.
  • Always disconnect the battery before servicing high current fuses.
  • Always replace faulty fuses with the specified new fuses having the correct amperage. If you manipulate or bridge a faulty fuse or if you replace it with a fuse with a higher amperage, the electric cables could be overloaded. This could result in a fire. There is a risk of an accident and injury.
  • Only use fuses that have been approved for Mercedes-Benz vehicles and which have the correct fuse rating for the system concerned. Otherwise, components or systems could be damaged.

Instrument Panel Fuse Box

The light module is located on the driver’s side of the dash panel.

Instrument Panel Fuse Box Location

Left-hand drive

Instrument Panel Fuse Box Diagram (LHD)

Fused functionA
1Not used-
2Stop lamp switch15
Cruise control
3Right high beam7.5
High beam indicator lamp
4Reverse lamp15
Turn signal lamp
Rearview mirror dimming control
Parking aid control
5Left high beam7.5
6Right low beam15
7Front right parking light7.5
Front right side marker (model 170 USA)
Right taillamp
8Left low beam15
9Left fog lamp15
Right fog lamp
10Front left parking light7.5
Front left side marker (model 170 USA)
Left taillamp
11License plate lamp7.5
Instrument illumination
Symbol illumination
Automatic headlamp range control
12Rear fog lamp7.5

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Right-hand drive

Instrument Panel Fuse Box Diagram (RHD)

Fused functionA
1Left fog lamp15
Right fog lamp
2Rear fog lamp7.5
3Right front parking lamp7.5
Right taillamp
4Left front parking lamp7.5
Left taillamp
5Left high beam7.5
6License plate lamp7.5
Instrument illumination
Symbol illumination
Automatic headlamp range control
7Right high beam7.5
High beam indicator lamp
8Left low beam15
9Stop lamp15
Cruise control
10Right low beam15
11Not used-
12Reverse lamp/turn signal lamp15
Rearview mirror dimming control
Parking aid control

Engine Compartment Fuse Box

Engine Compartment Fuse Box Location

Engine Compartment Fuse Box Diagram

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Fused functionA
1Asra:7.5
   Turn signal lamps
   Trailer turn signal lamps
170 545 (01, 10, 20, 22, 28) 00:5
   Telephone
   Garage door opening signal (170 545 (10, 20, 22, 28) 00)
   E-Call (170 545 (20, 22, 28) 00)
2Asra:15
   Fanfare horn
   Automatic heater: (Circulated air valve Automatic heater)
   Daytime running lamp control module
Asra:20
   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
170 545 (01, 10, 20, 22, 28) 00:5
   Control unit-airbag
   Control unit-automatic child seat recognition system
3Asra:15
   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)
170 545 (01, 10, 20, 22, 28) 00:5
   Indicator, safety restraint system
   Indicator, automatic child seat recognition system
4Asra: Right low beam headlamp7.5
Asra: ATA low beam (USA, CH)15
170 545 (01, 10, 20, 22, 28) 00: Wiper motor30
5Asra: Left low beam headlamp7.5
170 545 (01, 10, 20, 22, 28) 00: Radio15
6Asra: Right high beam headlamp7.5
170 545 (01, 10, 20, 22, 28) 00: Exterior mirror adjustment, left and right15
7Asra:7.5
   Left high beam headlamp
   High beam headlamp indicator
170 545 (01, 10, 20, 22, 28) 00:5
   Soft top control indicator
   Electronic transmission control
   Park/reversing lock
8Asra:10
   Left fog lamp
   Right fog lamp
170 545 (01, 10, 20, 22, 28) 00: Radio15
9Asra:30
   Blower regulator
   Air conditioning (Automatic)/Air conditioning (Tempmatic)
170 545 (01, 10, 20, 22, 28) 00:10
   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)
10Tempomat (cruise control)5
Crash shut-off relay (Asra, 170 545 01 00; SLK 200 Kompressor (170.445), SLK 230 Kompressor (170.447))
Headlamp range Xenon (170 545 (20, 22, 28) 00)
11Ignition coils15
Engine control10
12Heated windshield washer system thermoswitch (Washer nozzles, Hose heater)10
13Asra, 170 545 (01, 10, 20) 00:5
   Diagnostic socket
   Telephone
   E-Call (170 545 (20, ??) 00)
170 545 (22, 28) 00:10
   Diagnostic socket
   Telephone
14Asra, 170, 545, 01 00: Sound system (Left/right audio power amplifier)25
170 545 (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
170 545 (10, 20, 22, 28) 00:5
   Automatic heating system
   Tempmatic
   Auxiliary water pump
16Asra, 170 545 01 00: HFM-SFI engine control module (SLK 200 (170.435; 10.95 - 04.00)10
170 545 (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
170 545 28 00: Water pump - 3,2 charged engine10
170 545 10 00:20
   Central locking
   Boot light
24170 545 (20, 22, 28) 00: Hydraulic unit40
170 545 10 00: Pneumatic control unit, rear window defroster20
25170 545 (20, 22, 28) 00: Pneumatic control unit, rear window defroster20
170 545 10 00: Hydraulic unit40
26170 545 (20, 22, 28) 00: Central locking20
30Seat heater5
31Front cigar lighter with ashtray illumination15
Glove compartment lamp
32Combination switch (Wiper motor, Washer pump, Headlamp flasher)15
33Heater pushbutton control module5
34Asra, 170 545 01 00: Seat heater25
170 545 (10, 20, 22, 28) 00: Seat heater30
35Closing confirmation relay15
Instrument cluster (Light warning buzzer)
Stationary heater/heater booster unit
Radio frequency remote control
Hazard warning flasher
36A/C system blower unit30
Automatic heating system
Tempmatic
37Diagnosis (OBD II)5
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
M1Asra, 170 545 01 00: Front power windows40
M2Asra, 170 545 01 00: Rear power windows40
M3Asra, 170 545 01 00: Fuse box in trunk80
M4Asra, 170 545 01 00: Booster heater control module (SLK 200 Kompressor (170.445), SLK 230 Kompressor (170.447), left-hand steering LHS)40
170 545 01 00: Suction-type fan (tempmatic) (on RHD models in control unit box)50

Trunk Fuse Box

Trunk Fuse Box Diagram

Fused functionA
23Asra:20
   Supply pump (CL)
   Horn (ATA)
   Trunk lamp
24Asra: PSE control module40
25Asra: Soft top mechanism hydraulic unit30
26Asra: Not used-