

| No. | A | Description |
|---|---|---|
| 1 | 7.5 | Asra: Turn signal lamps Trailer turn signal lamps |
| 5 | 170 545 (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) | |
| 2 | 15 | Asra: Fanfare horn Automatic heater: (Circulated air valve Automatic heater) Daytime running lamp control module |
| 20 | Asra: 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 | |
| 5 | 170 545 (01, 10, 20, 22, 28) 00: Control unit-airbag Control unit-automatic child seat recognition system | |
| 3 | 15 | Asra: 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) |
| 5 | 170 545 (01, 10, 20, 22, 28) 00: Indicator, safety restraint system Indicator, automatic child seat recognition system | |
| 4 | 7.5 | Asra: Right low beam headlamp |
| 15 | Asra: ATA low beam (USA, CH) | |
| 30 | 170 545 (01, 10, 20, 22, 28) 00: Wiper motor | |
| 5 | 7.5 | Asra: Left low beam headlamp |
| 15 | 170 545 (01, 10, 20, 22, 28) 00: Radio | |
| 6 | 7.5 | Asra: Right high beam headlamp |
| 15 | 170 545 (01, 10, 20, 22, 28) 00: Exterior mirror adjustment, left and right | |
| 7 | 7.5 | Asra: Left high beam headlamp High beam headlamp indicator |
| 5 | 170 545 (01, 10, 20, 22, 28) 00: Soft top control indicator Electronic transmission control Park/reversing lock | |
| 8 | 10 | Asra: Left fog lamp Right fog lamp |
| 15 | 170 545 (01, 10, 20, 22, 28) 00: Radio | |
| 9 | 30 | Asra: Blower regulator Air conditioning (Automatic)/Air conditioning (Tempmatic) |
| 10 | 170 545 (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 | 5 | Tempomat (cruise control) 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) |
| 11 | 15 | Ignition coils |
| 10 | Engine control | |
| 12 | 10 | Heated windshield washer system thermoswitch (Washer nozzles, Hose heater) |
| 13 | 5 | Asra, 170 545 (01, 10, 20) 00: Diagnostic socket Telephone E-Call (170 545 (20, ??) 00) |
| 10 | 170 545 (22, 28) 00: Diagnostic socket Telephone | |
| 14 | 25 | Asra, 170, 545, 01 00: Sound system (Left/right audio power amplifier) |
| 20 | 170 545 (10, 20, 22, 28) 00: Soundbooster | |
| 15 | 15 | Asra, 170 545 01 00: HFM-SFI engine control module (SLK 200 (170.435; 10.95 - 04.00) |
| 5 | 170 545 (10, 20, 22, 28) 00: Automatic heating system Tempmatic Auxiliary water pump | |
| 16 | 10 | Asra, 170 545 01 00: HFM-SFI engine control module (SLK 200 (170.435; 10.95 - 04.00) |
| 30 | 170 545 (20, 22) 00: ABS/ESP | |
| 17 | 5 | 170 545 (20, 22) 00: ABS/ESP |
| 18 | 5 | 170 545 28 00: E-Call |
| 19 | 40 | 170 545 (10, 20, 22, 28) 00: Power window, front |
| 20 | 40 | 170 545 (10, 20, 22, 28) 00: Power window, rear |
| 21 | 30 | 170 545 (20, 22, 28) 00: Seat adjustment right side |
| 22 | 30 | 170 545 (20, 22, 28) 00: Seat adjustment left side |
| 23 | 5 | 170 545 22 00: Water pump - charged engine |
| 10 | 170 545 28 00: Water pump - 3,2 charged engine | |
| 20 | 170 545 10 00: Central locking Boot light | |
| 24 | 40 | 170 545 (20, 22, 28) 00: Hydraulic unit |
| 20 | 170 545 10 00: Pneumatic control unit, rear window defroster | |
| 25 | 20 | 170 545 (20, 22, 28) 00: Pneumatic control unit, rear window defroster |
| 40 | 170 545 10 00: Hydraulic unit | |
| 26 | 20 | 170 545 (20, 22, 28) 00: Central locking |
| 30 | 5 | Seat heater |
| 31 | 15 | Front cigar lighter with ashtray illumination Glove compartment lamp |
| 32 | 15 | Combination switch (Wiper motor, Washer pump, Headlamp flasher) |
| 33 | 5 | Heater pushbutton control module |
| 34 | 25 | Asra, 170 545 01 00: Seat heater |
| 30 | 170 545 (10, 20, 22, 28) 00: Seat heater | |
| 35 | 15 | Closing confirmation relay Instrument cluster (Light warning buzzer) Stationary heater/heater booster unit Radio frequency remote control Hazard warning flasher |
| 36 | 30 | A/C system blower unit Automatic heating system Tempmatic |
| 37 | 5 | Diagnosis (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 |
| M1 | 40 | Asra, 170 545 01 00: Front power windows |
| M2 | 40 | Asra, 170 545 01 00: Rear power windows |
| M3 | 80 | Asra, 170 545 01 00: Fuse box in trunk |
| M4 | 40 | Asra, 170 545 01 00: Booster heater control module (SLK 200 Kompressor (170.445), SLK 230 Kompressor (170.447), left-hand steering LHS) |
| 50 | 170 545 01 00: Suction-type fan (tempmatic) (on RHD models in control unit box) |


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

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

| No. | A | Description |
|---|---|---|
| 23 | 20 | Asra: Supply pump (CL) Horn (ATA) Trunk lamp |
| 24 | 40 | Asra: PSE control module |
| 25 | 30 | Asra: Soft top mechanism hydraulic unit |
| 26 | - | Asra: Not used |