Mercedes M-Class W163

since 1997 release

Repair and operation of the car



Mercedes W163
+ Mercedes-Benz cars of a class M (W163)
+ Governing bodies and methods of safe operation
+ Current leaving and service
+ Engine
+ Cooling systems, heating and air conditioner
+ A power supply system and production of the fulfilled gases
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Transmission line
+ Brake and auxiliary systems
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   General information and precautionary measures
   Search of causes of failures of electric equipment
   Safety locks - the general information
   Chain breakers - the general information
   The relay - the general information and check of serviceability of functioning
   Digital tire of data of CAN
   + Assembly blocks, elements of control systems
   + Dashboard, switches, traveling computer
   + Driving electric motors
   + Alarm and lighting fixtures, sensors of a rain and temperature of external air
   + Systems of additional safety (SRS)
   + Audio system
   + Schemes of electric connections



Chain breakers - the general information

Breakers of a chain are used for protection of such components of system of onboard electric equipment as head headlights and electric motors of the drive of window regulators, activators of door locks, etc.

On some models after operation breakers revert to the original state automatically. If the overload causing shutdown of the breaker had not incidental character, it is necessary to check a condition of the corresponding contour immediately. After malfunction elimination the chain breaker enters the normal mode of functioning again. Sometimes return of the breaker to the working condition should be made manually after elimination of the reason of an overload.