Mercedes-Benz 2003 C-Class User Manual
Page 239
239
Operation
Engine compartment
1 Coolant expansion tank
̈
Using a rag, turn the cap slowly approx-
imately one half turn to the left to re-
lease any excess pressure.
̈
Continue turning the cap to the left 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.
More information on coolant can be found
in the “Technical data” section
(
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 engine temperature is
above 194°F (90°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 approx-
imately
1
/
2
turn to relieve excess pres-
sure. If opened immediately, scalding
hot fluid and steam will be blown out un-
der pressure.
ț
Do not spill antifreeze on hot engine
parts. Antifreeze contains ethylene gly-
col which may burn if it comes into con-
tact with hot engine parts.