Mercedes of the S-class W202

1993-2000 of release

Repair and operation of the car

Mercedes W202
+ 1.2. General information
+ 2. Maintenance
+ 3. Engines
+ 4. Lubrication system
+ 5. Cooling system
+ 6. Heating, ventilation
- 7. System of ignition
   7.2. Safety measures at repair of electronic system of ignition
   7.3. Ignition coils
   + 7.4. Spark plugs
   - 7.5. Device of a preliminary warming up of the diesel
      - 7.5.1. Check of the device of a preliminary warming up Glow lamp Anchor Glow plugs Temperature sensor of cooling liquid The thermal sensor of the soaked-up air
      7.5.2. Self-diagnostics of the device
+ 8. Fuel system
+ 9. Transmission
+ 10. Running gear
+ 11. Steering
+ 12. Brake system
+ 13. Body
+ 14. Electric equipment
+ 14.2. Electrical circuitries Glow lamp

1. Remove the 6-shtyrkovy plug from the relay of management of a warming up, turn the ignition key in situation "2" and connect a control wire of a counter 1 and 3 on the plug.
2. If now the control bulb of a warming up shines, then the relay of management of a warming up is faulty, replace the relay. Otherwise take the glow lamp, check it and if necessary replace.
3. If the lamp is serviceable, then check an ohmmeter passing of current on a black wire between a counter 3 and the glow lamp, if necessary check contact of a lamp with the case, eliminate break of a wire.

If the long time shines a lamp of a preliminary warming up, it indicates malfunction of the relay of management of a warming up (contacts stuck together).