S 500 4MATIC (220.184) V8-5.0L (113.966) (2003)
DANGER:
-
Danger of severe burns to skin and eyes from hot coolant spewing out. Coolant is toxic when swallowed
-
Open cooling system only when coolant temperature is below 90 degrees C. Open cover slowly and reduce pressure. Do not fill beverage
containers with coolant. Wear protective gloves, protective clothing and protective goggles.
1
Release pressure in cooling system
NOTE: For this purpose, turn radiator cap to catch "1" and close again.
2
Drain coolant, refill
DANGER:
-
Explosion hazard when performing welding or brazing work on closed air conditioning. Poisoning hazard from inhaling overheated
refrigerant vapors. Injury hazard from skin and eye contact with liquid refrigerant.
-
Do not perform any type of welding work on closed air conditioning system or in its vicinity. Smoking and open flame prohibited.
Wear protective goggles and protective gloves, work only in well-ventilated rooms. Perform repair work on air conditioning circuit
only with system emptied.
3
Empty air conditioning (recycle), evacuate, charge, check for leaks
CAUTION:
-
Add quantity of compressor oil removed to refrigerant circuit when charging air conditioning (new oil).
-
Protect air conditioning circuit and components from moisture during repair work.
4
Remove wiper system (1)
5
Remove air collection box and water collector (3)
6
Disconnect pressure lines from expansion valve (4)
CAUTION: Plug openings (parts kit)
7
Remove hose clamp (5) and pull off coolant feed hose (6)
8
Remove hose clamps (7) and pull off coolant return hoses (8)
NOTE: Installation: Do not mix up coolant return hoses.
9
Remove instrument panel (9)
NOTE: Installation: Perform function check before installing instrument panel.
10
Remove air ducts (11) for rear/stowage compartment ventilation
11
Remove front floor covering on left (12)
12
Remove front floor covering on right (13)