Mercedes of the S-class W202

1993-2000 of release

Repair and operation of the car

Mercedes W202
+ 1.2. General information
- 2. Maintenance
   + 2.1.1. Engine
   2.2. In addition through each 60 000 km of a run
   2.3. Every 2 year
   2.4. Every 3-4 year
   - 2.5. Works on maintenance
      - 2.5.1. Engine and system of production of exhaust gases
         + 2.5.1.1. Replacement of engine oil
         2.5.1.2. Check of a condition of a maple belt
         2.5.1.3. Replacement of spark plugs
         2.5.1.4. Check of electric connections
         2.5.1.5. Lubricant of a control system of a butterfly valve
         - 2.5.1.6. Check of level of cooling liquid
            2.5.1.6.1. Antifreeze check
            2.5.1.6.2. Addition of a concentrate of the cooling means (Mercedes-Benz)
            2.5.1.6.3. Check of tightness of the cooling system
         2.5.1.7. Conditioner: check of level of coolant
         2.5.1.8. Replacement of the fuel filter / filter of rough cleaning
         2.5.1.9. Replacement of a replaceable element of the vozdushky filter
         2.5.1.10. Check of system of production of exhaust gases
      + 2.5.2. Box predach/main transfer
      + 2.5.3. Peredny Bridge / Steering
      + 2.5.4. Brakes / tires
      + 2.5.5. Body / internal lighting
   + 2.6. Care of the car
   2.7. Start of the engine from the auxiliary accumulator
   2.8. Towage of the car
   2.9. Raising of the car
   2.10. The tools used to maintenance
+ 3. Engines
+ 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

2.5.1.6.1. Antifreeze check

GENERAL INFORMATION

The following test tool is required:

– test areometer.

Regularly before winter in order to avoid risk it is necessary to check concentration of antifreeze, in particular, if clear water was sometimes added.

PERFORMANCE ORDER

1. Warm up the car until there is warm a top hose with cooling liquid going to a radiator.

2. Carefully open a locking cover on a compensation tank.
Prevention
Do not open a locking cover if the engine is in a hot state.

3. Select the measuring areometer cooling liquid and on a float consider its density.

In our latitudes protection of the engine against freezing has to be guaranteed to –30 °C, in case of very frigid climate – to –45 °C.