Mercedes C-Class

W203 since 2000 of release

Repair and car operation

+ Mercedes-Benz Cars of a class C (W-203)
+ Operation manual
+ Routine maintenance
- Engine
   Compression check in engine cylinders
   Engine check by means of the vacuum gage
   Removal and installation of a cover of an impellent 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 situation 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 directing chain
      Replacement of chains of a drive of GRM and installation of phases of a gazoraspredeleniye
      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
   + System of greasing of the engine
+ cooling and heating Systems
+ 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 Cranked 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 counter-clockwise, having weakened thus maple a belt.
2. In this situation fix the tension device. For this purpose insert a finger through openings in a forward detail and the case of the tension device. The finger can be made independently from a prutka. Sizes: length about 50 mm, diameter = 4 mm.
3. Remove maple a belt.

At carrying out further works with the engine or a cover of the case of the mechanism of distribution the tension device should be weakened.



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



1. Put on maple a belt, since a tension roller.
2. Turn the tension device counter-clockwise 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.

Belt pull slowly, do not release the tension device.