S-class W202 Mercedes

1993-2000 of release

Repair and car operation

W202 Mercedes
+ 1.2. General information
+ 2. Maintenance
+ 3. Engines
+ 4. Greasing system
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. Ignition system
+ 8. Fuel system
+ 9. Transmission
+ 10. Running gear
+ 11. Steering
+ 12. Brake system
+ 13. Body
- 14. Electric equipment
   14.1.2. Measuring devices
   14.1.3. Equipment of measurements
   14.1.4. Electric equipment checks
   14.1.5. Sound signal
   14.1.6. Replacements of safety locks
   + 14.1.7. Storage battery
   + 14.1.8. Generator
   + 14.1.9. Starter
   14.1.10. Traction relay
   + 14.1.11. Lighting system
   14.1.12. Devices
   14.1.13. Dashboard
   14.1.14. Filament lamps on the dashboard
   14.1.15. Light switch
   14.1.16. Radio receiver
   + 14.1.17. Aerial
   14.1.18. Loudspeakers
   + 14.1.19. Rubber brushes of screen wipers
   14.1.20. Jets of a stekloomyvatel
   14.1.21. Washing nozzles of headlights
   14.1.22. Screen wiper and its engine
   14.1.23. Protect the car
   14.1.24. Anticreeping "immunodeficiency"
   14.1.25. Why headlights grow dull
   14.1.26. "Galogenki"
+ 14.2. Electroschemes

b47c026d b47c026d

14.1.10. Traction relay


At malfunction of the traction relay the gear wheel in a starter is not drawn to a gear rim of a flywheel. Because of it the starter cannot turn an engine shaft. This defect meets more often than the engine of a starter fails.

Check in the established condition

1. Switch off transfer, establish the gear shifting lever in neutral situation.
2. Quickly зашунтируйте an auxiliary wire on a starter the plug 30 (a thick positive wire) and the plug 50 (the thin wire going to the lock switch of ignition and devices), a gear wheel of a drive of a starter should move quickly forward and put in action a starter. If it does not occur, unscrew a starter and replace the relay.


1. Remove a starter and repeat its check in removed situation with use of the storage battery. As the bringing line to the plug 50 of a starter the wire is suitable for starter connection to auxiliary (out of the car) to the storage battery. If the gear wheel quickly moves forward, without starting a starter, repair a starter in a repair truck.
2. If the gear wheel does not move quickly forward, unscrew and replace the traction relay.


1. Zagermetiziruyte dividing seam (F) suitable sealing material.
2. Suspend the traction relay on the bifurcate lever in a starter, then screw the traction relay.
3. Screw a wire going to the traction relay.
4. Again check a starter as it is described above.
5. Establish a starter.