Mercedes C-Class

W203 since 2000 of release

Repair and operation of the car



Mercedes-Benz
+ Mercedes-Benz cars of class C (W-203)
+ Operation manual
+ Routine maintenance
+ Engine
+ Cooling system and heating
- Power supply system and release
   + Power supply system of the petrol and diesel engine
   - System of injection of fuel of the petrol engine
      Security measures during the work with system of injection of the petrol engine
      Functioning of a control system and injection of the petrol engine
      General check of system of injection of the petrol engine
      Removal and installation of the measuring instrument of mass of air
      Check of injectors
      Removal and installation of the fuel distributive highway and injectors
      Check and adjustment of speed of the single course / moment of ignition/concentration WITH
   + System of injection of fuel of the diesel engine. Turbocompressor
   + Systems of release and decrease in toxicity of the fulfilled gases. Turbocompressor
+ Engine electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment







System of injection of fuel of the petrol engine

Security measures during the work with system of injection of the petrol engine

· Do not use naked flame, you do not smoke, you do not hold near a workplace of any heated or very hot details. There is a danger of accident! You keep in readiness the fire extinguisher.
· You monitor good ventilation of a workplace. Fuel vapors are poisonous.
· The fuel system is under pressure! Before dismantling of hose connections dump fuel pressure, address the Section Dropping Pressure in fuel system.
· When dismantling hose connections for safety reasons connection needs to be covered with a thick rag.

During the work with elements of system of injection it is also necessary to follow the general safety rules and respect for purity.


Elements of a control system of the engine keep the working capacity for a long time and practically do not demand service. Within carrying out maintenance it is necessary to replace only an element of the air filter and the fuel filter.