Mercedes C-Class

W203 since 2000 of release

Repair and operation of the car

+ Mercedes-Benz cars of class C (W-203)
+ Operation manual
+ Routine maintenance
- Engine
   Check of a compression in engine cylinders
   Check of the engine by means of the vacuum gage
   Removal and installation of a cover of a motive compartment from the bottom
   + 4-cylinder petrol engines
   + 6-cylinder petrol engines
   - Diesel engines
      Removal and installation of the top cover of the engine
      Installation of the piston of the first cylinder in the provision of VMT
      Removal and installation of a cover of a head of cylinders
      Removal and installation of a head of cylinders
      Removal and installation of a forward cover
      Removal and installation of the top guide of a chain
      Replacement of chains of the GRM drive and installation of phases of gas distribution
      Removal and installation of camshafts
      Removal and installation of an intermediate asterisk
      Removal and installation of a natyazhitel of a chain
      Removal and installation of a maple belt
   + Engine lubrication system
+ Cooling system and heating
+ Power supply system and release
+ Engine electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment

Removal and installation of a maple belt

Scheme of laying of a maple belt. Diesel engines with the air conditioner

1 — the Tension roller
2 — the Bent shaft
3 — the Pump of cooling liquid
4 — the Generator
5 — the Rejecting roller
6 — the Compressor
7 — the power steering Pump



1. Turn a natyazhitel Torx head counterclockwise, having weakened thus maple a belt.
2. In this situation fix the tension device. For this purpose implant a finger through openings in a forward detail and the case of the tension device. The finger can be made independently of a bar. Sizes: length is about 50 mm, diameter = 4 mm.
3. Take off maple a belt.

When carrying out further works with the engine or a cover of the case of the mechanism of distribution the tension device has to be weakened.



1. Check pulley flutes for existence of damages and pollution, if necessary clear or replace a pulley. At the same time pay attention to wear of support of the tension device and to defects of a pulley.
2. At wear of support the tension device needs to be replaced.
3. Maple the belt with inclusions of dirt between the edges weakened by edges in the presence of a razlokhmachivaniye, cross cracks and breaks of edges has to be replaced, address also the Head Routine maintenance.



1. Put on maple a belt, since a tension roller.
2. Turn the tension device counterclockwise a little, having weakened thus a lock finger.
3. Take out a lock finger.
4. Turn slowly a key clockwise a forward detail of the tension device and thus pull maple a belt.

Pull a belt slowly, do not release the tension device.