Mercedes S-class W202

1993-2000 of release

Repair and car operation



Mercedes W202
+ 1.2. The general data
+ 2. Maintenance service
- 3. Engines
   3.1.2. Identification number
   + 3.1.3. The engine
   3.1.4. Cars with the conditioner
   3.1.5. The bottom cover of a motor compartment
   3.1.6. Covers of cast apertures
   3.1.7. Натяжитель chains
   + 3.1.8. A cover of a head of the block of cylinders
   + 3.1.9. A head of the block of cylinders
   + 3.1.10. Camshafts
   3.1.11. Hydraulic тарельчатые pushers
   3.1.12. Maslootrazhatelnye caps
   3.1.13. Valves
   3.1.14. Directing valves
   3.1.15. Saddles of valves in a head of the block of cylinders
   3.1.16. A compression
   + 3.1.17. A klinovyj belt
   3.1.18. Diagnostics of malfunctions (DB)
   3.1.19. Broad-brush observations
   3.1.20. Repair work without engine dismantle
   + 3.1.21. Engine major repairs
   + 3.2. The diesel engine (ДД)
   3.2.3. Cars with the conditioner
   3.2.4. The bottom cover of a motor compartment
   3.2.5. Covers of cast apertures
   3.2.6. Натяжитель chains
   + 3.2.7. A camshaft
   + 3.2.8. A head of the block of cylinders
   + 3.2.9. Maslootrazhatelnye caps
   3.2.10. A cover of a head of the block of cylinders (2,2/2,5)
   3.2.11. Hydraulic тарельчатые pushers
   3.2.12. Valves
   3.2.13. Directing valves
   3.2.14. Saddles of valves in a head of the block of cylinders
   3.2.15. A head of the block of cylinders and the motor block
   3.2.16. A compression
   3.2.17. Клиновой a ridge belt
   3.2.18. The pulling device клинового a ridge belt
   3.2.19. Diagnostics of malfunctions (ДД)
+ 4. Greasing system
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. Ignition system
+ 8. Fuel system
+ 9. Transmission
+ 10. A running gear
+ 11. A steering
+ 12. Brake system
+ 13. A body
+ 14. An electric equipment
+ 14.2. Electroschemes







3.1.18. Diagnostics of malfunctions (DB)
THE GENERAL DATA

If the engine is not started, it is necessary to define a cause of defect. That it in general could be started, two basic preconditions should be carried out: топливовоздушная the mix should reach the cylinder and between electrodes of candles should slip ignition sparks. Therefore, first of all, always check fuel access.

To define, whether there is an ignition spark, separately unscrew spark plugs, insert in штеккер spark plugs and hold opposite to "weight" of the motor block. Thus do not hold barehanded штеккер candles or an ignition wire, and use well isolated pincers. Check up "weight" contact. Ask the assistant to start the engine.


The prevention

To avoid catalyst damage, thus there should not be a gasoline injection.

Keep in mind instructions under safety precautions for electronic ignition and the injection device.


THE REASON
WAY OF ELIMINATION
The engine is badly started or not started in general
Service error at start Press a coupling pedal, include ignition, without giving some gas. Turn a key in the lock of ignition and put in action a starter. As soon as the engine will be started, release a key. Necessarily at once move a little, and at a strong frost warm up the engine about 30 seconds If the engine is not started after numerous attempts of start, despite separate ignitions, once again start with completely pressed pedal of an accelerator. Attention! Frequent ineffectual attempts of start one after another can harm to the catalyst, since. Not burnt down gasoline gets into the catalyst and burns down with explosion. At the hot engine during start press an accelerator pedal slowly.
The fuel system is faulty, polluted Check up fuel system.
The injecting device is faulty Check up the injection device according to diagnostics of malfunctions.
Too slowly the starter rotates Charge the storage battery. Check up an electric chain of a starter.
Too low pressure of a compression Repair the engine.
Wrong phases газораспределения, lengthening of a chain of management Check up phases газораспределения, replace a management chain.
The sealing lining of a head of the block of cylinders is faulty Replace condensing lining.