Mercedes-Benz SLS AMG 2012 Operator's Manual page 223

Slowly turn cap : half a turn counter-
X
clockwise and allow excess pressure to
escape.
Turn cap : further counter-clockwise and
X
remove it.
If the coolant is at the level of the marker
bar in the filler neck when cold, there is
enough coolant in coolant expansion
tank ;.
If the coolant is approximately 0.6 in
(1.5 cm) above the marker bar in the filler
neck when warm, there is enough coolant
in coolant expansion tank ;.
If necessary, add coolant that has been
X
tested and approved by Mercedes-Benz.
Replace cap : and turn it clockwise as far
X
as it will go.
You will find further information about coolant
in the "Technical data" section
( page 283).
Y
Windshield washer system and
headlamp cleaning system
The washer fluid reservoir is used for both the
windshield washer system and the headlamp
cleaning system.
i
Vehicle components and their service
products must match. You should,
therefore, only use products that have been
tested and approved by Mercedes-Benz.
Information on tested and approved
products can be obtained at any authorized
Mercedes-Benz Center or on the Internet at
http://www.mbusa.com (USA only).
Engine compartment
G
WARNING
Washer solvent/antifreeze is highly
flammable. Do not spill washer solvent/
antifreeze on hot engine parts, because it may
ignite and burn. You could be seriously
burned.
! At temperatures below freezing: always
fill the washer fluid reservoir with a mix of
water and windshield washer concentrate
(e.g. MB WinterFit). There is otherwise a
risk of damaging the windshield washer
system/headlamp cleaning system.
! Only use washer fluid concentrate which
is suitable for plastic lenses. Unsuitable
washer fluid concentrate could damage the
plastic lenses of the headlamps.
! Do not add distilled or de-ionized water to
the washer fluid container. Otherwise, the
level sensor may be damaged.
i
Add windshield washer concentrate, e.g.
MB SummerFit, to the washer fluid all year
round.
Mix the windshield washer fluid in a
X
container beforehand.
At temperatures above freezing: fill the
X
washer fluid reservoir with a mix of water
and windshield washer concentrate (e.g.
MB SummerFit).
At temperatures below freezing: fill the
X
washer fluid reservoir with a mix of water
and windshield washer concentrate (e.g.
MB WinterFit). Adapt the mixing ratio to the
221
Z