Mercedes-Benz M-Class 2008 Owners Manual - Manual (Page 347)

346
Operation
Engine compartment
The coolant expansion tank is located on
the driver’s side of the engine compart-
ment.
1 Cap
2 Coolant expansion tank
3 Indicator wall
4 Coolant level
̈ Using a rag, turn cap 1 slowly approx-
imately one half turn counterclockwise
to release any excess pressure.
̈ Continue turning cap 1 counterclock-
wise and remove it.
Coolant level 4 is correct if the level:
ț for cold coolant: reaches the top of
indicator wall
3 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 1.
For more information on coolant, see
“Coolants” (
୴ page 528).
Windshield/rear window washer
system and headlamp cleaning
system*
The windshield washer reservoir is located
in the engine compartment.
1 Cap for windshield washer reservoir
Fluid for the windshield/rear window
washer system and the headlamp cleaning
system* is supplied from the windshield
washer reservoir. It has a capacity of 8.1
US qt (7.7 l).