Mercedes S-Class W-220

since 1998 of release

Repair and car operation

W220 Mercedes
+ Mercedes-Benz Cars of a class S (W220)
+ Operation manual
+ Routine maintenance
+ Engine
- Cooling and heating systems
   + cooling System
   + Systems of ventilation, heating and air conditioning
+ Power supply system and release
+ engine Electric equipment
+ Automatic transmission
+ Power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ electric equipment Cхемы

Cooling and heating systems

General parameters

Separate characteristics are provided also in the text of Head and in case of obligation of their performance are allocated with a bold print

Design Thermosiphon with the lopastny water pump. Thermostatic adjustment. With a separate broad tank. The fan with an electric drive, joins and switched off by a two-level thermoswitch
Cooling liquid Cмесь of soft water and antifreeze (1:1), at such structure is provided frost resistance to – 35°С
MB No. Q1 03 0002
Volume of system, l
12 l
Composition of cooling liquid:
Share of antifreeze in cooling liquid for ensuring frost resistance
  • to - 37°С
50 %
  • to - 45°С
55 %
Pressure in system About 1.2 bar (the exact size is specified on a cover расширительнго a tank). The cover should maintain pressure within two minutes.
Valve stroke
not less than 7 mm
  • Petrol engines, l

Opening beginning

82 °

Complete opening

96 °
  • Petrol engines, l

Opening beginning

92 °

Complete opening

99 °
  • Diesel engines

Opening beginning

87 °

Complete opening

102 °
Fan thermoswitch
Inclusion/switching off of the 1st step
Inclusion/switching off of the 2nd step
Conditioner coolant
R134a (do not use R12)
Volume, гр.
± 15
Refrigerator oil
Volume, cm 3
Efforts of a tightening of carving connections, H • m
The moments of an inhaling of fixture are given in the text of Head and on some иллюстрациях*.
*vydelenny in the text a bold print the moments of an inhaling are subject to exact observance; the efforts not allocated with a bold print are given only roughly