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
- Power supply system and production of the fulfilled gases
   - Power supply system of petrol engines
      Check and adjustment of quantity of turns of the single course / moment of ignition/concentration WITH
      Dropping pressure in fuel system of the petrol engine
      Principle of functioning of a control system and injection of the petrol engine
      General check of system of injection of the petrol engine
      Check of injectors
      Removal and installation of components of an inlet air path
      Service of elements of the drive of a butterfly valve
      Depletion of the fuel tank
      Removal and installation of assembly of the fuel pump with the fuel reserve sensor
      Removal and installation of the locking fuel valve (only American models)
      Removal and installation of the fuel distributive highway and injectors
      Removal and installation of the fuel-supply line going from the fuel filter to the fuel highway - model 163.154.157/172/174/175
      Removal and installation of the fuel tank
   + Power supply system of diesel engines
   + Systems of release and decrease in toxicity 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

Check of injectors


Violation of tightness of valves of fuel injectors is accompanied by difficulties at start of the hot engine. Damage of injectors can be the cause the diesel effect when the engine continues to work at the switched-off ignition.

  1. Start the engine on single turns.
  2. By means of a stethoscope make sure of serviceability of functioning of each separate injector, - existence of clicks indicates serviceability of opening and closing of valves.

In the absence of near at hand stethoscope check can be made to the touch by means of the screw-driver or a finger.

  1. At identification of unusual sounds, as well as at total absence of those it is necessary to make sure of serviceability of giving on supply voltage injectors, to measure resistance of injectors and to check them for tightness.