Mercedes 190 (W201) was produced in 1983, 1984, 1985, 1986, 1987, 1989, 1990, 1991, 1992, 1993 with both petrol and diesel engines. In this material we will show a description of fuses and relays Mercedes 190 w201 with block diagrams, photo examples of execution and locations. We will highlight the fuse responsible for the cigarette lighter.
The purpose of the fuses and relays may differ from the one shown and depends on the year of manufacture and the level of equipment of your car. Check the purpose with your diagrams on the block cover.
Example of a diagram from the block cover
Location
Under the hood of a Mercedes 190 w201 there may be 2 blocks with fuses and relays.
Scheme
Description
- Main fuse and relay box
- Additional relay block
Fuse and relay box
Photo example
Scheme
Purpose
| 1 | 8/16/25A Heater fan, auxiliary air conditioner fan relay (winding) |
| 2 | 8A Carburetor (intake manifold heater relay, winding) |
| Heater fan, auxiliary air conditioner fan relay | |
| 3 | 16A Heater fan, auxiliary air conditioner fan relay |
| 4 | 8A Right headlight high beam, high beam indicator lamp and hazard light |
| 5 | 8A Left headlight high beam |
| 6 | 16A Rear Window Defogger, Combination Relay |
| 7 | 16A Window lifter front left, rear right |
| 8 | 16A Window lifter front right, rear left |
| 9 | 8A ABS, Brake Lights, Reverse Lights, Cruise Control, Instrument Cluster, Warning Lights, Automatic Transmission Solenoid |
| 10 | 8/16A Anti-theft alarm system, auxiliary/cooling fan, cruise control, electronic engine management system, heated seats, orthopedic seats, heated outside rearview mirrors, electric right outside mirror, tachometer, windshield wiper and washer, heated washer nozzles, outside temperature sensor |
| 11 | 8A Horn, direction indicators, Tempmatic, warning system |
| 12 | 8A Anti-theft alarm, antenna, rear interior light, central locking, radio, electric seats, window lifter relay |
| 13 | 8A Diagnostic socket, hazard warning, automatic antenna, radio, CD player, trunk light, warning system, clock, front interior light |
| 14 | 8A Instrument cluster lighting, center console lighting, headlight wiper and washer, right side lights, number plate lighting |
| 15 | 8A Left side lights, number plate light |
| 16 | 8A Front fog lights, rear fog light |
| 17 | 8A Right low beam |
| 18 | 8A Left low beam |
| 19 | 16A Cigarette lighter , radio, heated rear window, sunroof, glove compartment light |
| 20 | 16A Windscreen wiper and washer, headlight wiper and washer, headlights |
| Relay | |
| R1 | Combination relay (Rear window defroster, timer, windscreen wiper and washer, hazard warning lights, direction indicators) |
| R2 | Window lifter relay |
| R3 | Fan relay |
| R4 | OVP relay |
Fuse number 19 is responsible for the cigarette lighter.
Relay block
Located next to the main unit. Also covered with a protective cover.
Option 1
Scheme
Designation
| A | Comfort relay |
| B | Power windows, Electric seats |
| C | K3 = Intake Manifold Heater K8/1 = Dual Auxiliary Fan K9 = Auxiliary Fan K12 = Cruise Control, Fuel Cut-off |
| D | Headlight Washer Relay |
| E | K12/1 = Cruise control K17/1 = Fuel cut-off K17/2 = Fuel cut-off with cut-off |
Option 2
Scheme
Transcript
| A | K24 = Comfort relay (USA) F12 = Additional fuse box, additional heater |
| B | F22/1 = Additional fuse box, fan, towing hitch, seat heating (AHV/SIH) |
| C | K9 = Additional fan K12 = Cruise control, fuel cut-off |
| D | K2 = Headlight washer |
| E | K3/1 = Intake manifold heater (PSV) |
| F | F14 = Additional fuse box, restraint system (EDW) K12 / 1 = Cruise control boost pressure cut-off K35 = Oxygen sensor heating |