Mercedes-Benz CLS-Class 2006 Owners Manual User Manual
Page 299
298
Operation
Engine compartment
The coolant expansion tank is located on
the driver’s side of the engine compart-
ment.
Coolant expansion tank
̈
Using a rag, turn the cap slowly approx-
imately one half turn 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 top of
the mark (plastic bridge) visible
through the filling opening
ț
for warm coolant: is approximately
0.6 in (1.5 cm) higher
̈
Add coolant as required.
̈
Replace and tighten cap.
For more information on coolant, see 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 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 approx-
imately
1
/
2
turn to relieve excess pres-
sure. If opened immediately, scalding
hot fluid and steam will be blown out
under 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.