Mercedes of the S-class W202

1993-2000 of release

Repair and operation of the car

Mercedes W202
+ 1.2. General information
+ 2. Maintenance
- 3. Engines
   3.1.2. Identification number
   + 3.1.3. Engine
   3.1.4. Cars with the conditioner
   3.1.5. Lower cover of a motor compartment
   3.1.6. Covers of cast openings
   3.1.7. Natyazhitel of a chain
   + 3.1.8. Cover of a head of the block of cylinders
   + 3.1.9. Head of the block of cylinders
   + 3.1.10. Camshafts
   3.1.11. Hydraulic dish-shaped pushers
   3.1.12. Maslootrazhatelny caps
   3.1.13. Valves
   3.1.14. The directing valves
   3.1.15. Saddles of valves in a head of the block of cylinders
   3.1.16. Compression
   + 3.1.17. Maple belt
   3.1.18. Diagnostics of malfunctions (DB)
   3.1.19. General comments
   3.1.20. Repair work without dismantle of the engine
   + 3.1.21. Capital repairs of the engine
   + 3.2. Diesel Engine (DE)
   3.2.3. Cars with the conditioner
   3.2.4. Lower cover of a motor compartment
   3.2.5. Covers of cast openings
   3.2.6. Natyazhitel of a chain
   + 3.2.7. Camshaft
   + 3.2.8. Head of the block of cylinders
   + 3.2.9. Maslootrazhatelny caps
   3.2.10. Cover of a head of the block of cylinders (2,2 / 2,5 l)
   3.2.11. Hydraulic dish-shaped pushers
   3.2.12. Valves
   3.2.13. The directing valves
   3.2.14. Saddles of valves in a head of the block of cylinders
   3.2.15. Head of the block of cylinders and motor block
   3.2.16. Compression
   3.2.17. Maple ridge belt
   3.2.18. The pulling device of a maple ridge belt
   3.2.19. Diagnostics of malfunctions (DD)
+ 4. Lubrication system
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. System of ignition
+ 8. Fuel system
+ 9. Transmission
+ 10. Running gear
+ 11. Steering
+ 12. Brake system
+ 13. Body
+ 14. Electric equipment
+ 14.2. Electrical circuitries

3.2.19. Diagnostics of malfunctions (DD)

GENERAL INFORMATION

If the engine is not started, then it is necessary to localize malfunction. For rotation of the engine a number of conditions has to be executed: lack of mistakes in driving; the fuelled fuel tank; normally working starter.

REASON		WAY OF ELIMINATION
Bad start of the engine or it is not started at all
Errors of management at start	Start of the cold engine	Include ignition, the control lamp will not go out yet. At once after the control lamp will go out, start the engine.
Errors of management at start	Start of the engine which is warmed up up to the working temperature	The preliminary warming up is not required, the engine is started at once.
The device of a preliminary warming up does not work	The control lamp of a preliminary warming up does not burn	Check a control lamp, glow plugs and the relay of a preliminary warming up.
The device of a preliminary warming up does not work	The lamp of a preliminary incandescence burns	Switch off ignition. Disconnect 2 wires of candles of an incandescence for cylinders 2-4, include ignition; if the control lamp burns, then check the relay of a preliminary warming up and replace in case of need.
The fuel system is faulty	Fuel does not arrive	Fuel-supply lines (hoses of absorption, recirculation, injection) are bent, littered, untight. The fuel filter is littered.
	The moment of the beginning of access of fuel is displaced	Check the moment of the beginning of intake of fuel, adjust it.
	The nozzle is faulty	Check nozzles
The fuel pump is faulty	All cylinders work at the same time	Replace the fuel pump.
The starter rotates too slowly		Charge the battery. Check an electric chain of a starter.
Too low compression		Repair the engine.
Sealing laying of a head of the block of cylinders is faulty		Replace laying.