Mercedes-Benz 2006 C 55 AMG Automobile User Manual


 
302
Operation
Engine compartment
The coolant expansion tank is located on
the passenger side of the engine compart-
ment.
1 Coolant expansion tank
2 Cap
̈ Using a rag, turn cap 2 slowly approx-
imately one half counterclockwise to
release any excess pressure.
̈ Continue turning the cap counterclock-
wise and remove it.
The coolant level is correct if the level
ț for cold coolant: reaches the black
top part of the reservoir
ț for warm coolant: is approx. 0.6 in
(1.5 cm) higher
̈ Add coolant as required.
̈ Replace and tighten cap.
For more information on coolant, see
“Coolants” (
page 439).
Warning! G
In order to avoid any possibly serious burns:
ț Use extreme caution when opening the
hood if there are any signs of steam or
coolant leaking from the cooling system,
or if the coolant temperature gauge indi-
cates that the coolant is overheated.
ț Do not remove pressure cap on coolant
reservoir if coolant temperature is
above 158°F (70°C). Allow engine to
cool down before removing cap. The
coolant reservoir contains hot fluid and
is under pressure.
ț Using a rag, slowly open the cap
approximately
1
/
2
turn to relieve excess
pressure. If opened immediately, scald-
ing hot fluid and steam will be blown out
under pressure.
ț Do not spill antifreeze on hot engine
parts. Antifreeze contains ethylene
glycol which may burn if it comes into
contact with hot engine parts.