Mercedes-Benz M-Class 2006 Owners Manual - Manual (Page 334)

333
Operation
Engine compartment
The coolant expansion tank is located on
the driver’s side of the engine compart-
ment.
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 top of
the indicator wall 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 (
୴ page 497).
Windshield/rear window washer
system and headlamp cleaning
system*
The windshield washer reservoir is located
in the engine compartment.
1 Cap
Fluid for the windshield 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).