S-class W202 Mercedes

1993-2000 of release

Repair and car operation

W202 Mercedes
+ 1.2. General information
+ 2. Maintenance
+ 3. Engines
+ 4. Greasing system
- 5. Cooling system
   + 5.2. Cooling liquid
   5.3. Antifreeze for a radiator
   5.4. A temperature regulator cooling liquids (thermostat)
   5.5. Check of system of cooling
   5.6. Hydraulic coupling of the fan
   5.7. Pump of system of liquid cooling
   5.8. Radiator
   5.9. Fan casing
   5.10. Diagnostics of malfunctions of system of cooling
   5.11. Diagnostics of malfunctions of system of indication of level of liquid
   5.12. Engine overheat
+ 6. Heating, ventilation
+ 7. Ignition system
+ 8. Fuel system
+ 9. Transmission
+ 10. Running gear
+ 11. Steering
+ 12. Brake system
+ 13. Body
+ 14. Electric equipment
+ 14.2. Electroschemes

5.3. Antifreeze for a radiator

GENERAL INFORMATION

The cooling system a round code is filled with a mix consisting of water, antifreeze and anticorrosive means. This mix prevents emergence of the damages connected with freezing and corrosion influence, formation of limy deposits and, besides, slightly increases temperature of boiling of cooling liquid. Thanks to a carving cover on a compensatory tank, at the heated-up engine in a cooling contour superfluous pressure about 1,4 bar which too promotes temperature increase of boiling of cooling liquid is created. The increased temperature of boiling of cooling liquid is required for normal functioning of system of cooling of the engine. At too low temperature of boiling of liquid it can lead to a thermal podpor because of what circulation of cooling liquid is broken and engine cooling decreases. Therefore the cooling system within a year should be surely filled with a mix of cooling concentrates.

Prevention

Apply only cooling concentrates resolved for the Mercedes car.

As after a while the anticorrosive component in cooling liquid loses the effective influence, it is necessary to replace cooling liquid every 3 year.

Prevention

If the content of antifreeze in cooling liquid exceeds 55 % (corresponds to protection to–45 ° to C), protection against a frost decreases and heat removal by cooling system worsens.

Ratio of compound components in cooling liquid

	MOROZO- FIRMNESS TO	OKHLAZH- THE GIVING CONCENTRATE	WATER	THE GENERAL THE FILLED IN QUANTITY
Petrol engine
The 4-cylinder without the conditioner	– 37 ° With – 45 ° With	4,0 l 4,4 l	4,0 l 3,6 l	8,0 l
The 4-cylinder with the conditioner	– 37 ° With – 45 ° With	4,5 l 5,0 l	4,5 l 4,0 l	9,0 l
С280	– 37 ° With – 45 ° With	5,0 l 5,5 l	5,0 l 4,5 l	10,0 l
Diesel engine
2,0 l	– 37 ° With – 45 ° With	4,0 l 4,4 l	4,0 l 3,6 l	8,0 l
2,0 l with the conditioner	– 37 ° With – 45 ° With	4,5 l 5,0 l	4,5 l 4,0 l	9,0 l
2,2 l	– 37 ° With – 45 ° With	3,5 l 3,9 l	3,5 l 3,1 l	7,0 l
2,2/2,5 l with the conditioner	– 37 ° With – 45 ° With	3,75 l 4,1 l	3,75 l 3,4 l	7,5 l

In our widths protection against frosts should be provided approximately to–30 ° with Page.