Mercedes-Benz 2008 M-Class Operator's Manual page 348

During all seasons, add MB Windshield
Washer Concentrate "MB SummerFit" to
water. Premix the windshield washer fluid
in a suitable container.
Warning!
Washer solvent/antifreeze is highly flamma-
ble. Do not spill washer solvent/antifreeze
on hot engine parts, because it may ignite
and burn. You could be seriously burned.
Use the tab to pull cap 1 upwards.
Refill the reservoir with MB Windshield
Washer Concentrate "MB SummerFit"
and water (or commercially available
premixed windshield washer sol-
vent/antifreeze, depending on ambient
G
temperatures).
!
Always use washer solvent/antifreeze
where temperatures may fall below freezing
point. Failure to do so could result in damage to
the washer system/reservoir.
!
Only use washer fluid which is suitable for
plastic lenses. Improper washer fluid can
damage the plastic lenses of the headlamps.
For more information, see "Windshield
washer system and headlamp cleaning
system*" ( page 530).
Operation
Engine compartment
347