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Operation
Engine compartment
The coolant expansion tank is located on
the passenger side of the engine compart-
ment.
SLK 350 (example illustration)
1 Coolant expansion tank
2 Cap
3 Marking bar in the expansion tank
̈ Using a rag, turn cap 2 slowly approx-
imately one half turn counterclockwise
to release any excess pressure.
̈ Continue turning cap 2 counterclock-
wise and remove it.
The coolant level is correct if the level
ț for cold coolant: reaches marking
bar 3 in expansion tank 1
ț for warm coolant: is approximately
0.6 in (1.5 cm) higher
̈ Add coolant as required.
̈ Replace and tighten cap 2.
For more information on coolant, see
“Coolants” (
୴ page 456).
Windshield washer system and
headlamp cleaning system*
The windshield washer reservoir is located
on the passenger side of the engine com-
partment.
SLK 350 (example illustration)
1 Cap for windshield washer reservoir
Fluid for the windshield washer system
and the headlamp cleaning system* is
supplied from the windshield washer
reservoir. It has a capacity of
approximately 7.4 US qt (7 l).