Comply with the important safety precautions
for service products when handling coolant
(
Y
page 375).
The coolant is a mixture of water and anti-
freeze/corrosion inhibitor. It performs the
following tasks:
R
corrosion protection
R
antifreeze protection
R
raising the boiling point
If the coolant has antifreeze protection down
to -35 ‡ (-37 †), the boiling point of the cool-
ant during operation is approximately 266 ‡
(130 †).
The antifreeze/corrosion inhibitor concentra-
tion in the engine cooling system should:
R
be at least 50%. This will protect the engine
cooling system against freezing down to
approximately -35 ‡ (-37 †).
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not exceed 55% (antifreeze protection
down to -49 ‡ [-45 †]). Otherwise, heat
will not be dissipated as effectively.
Mercedes-Benz recommends an antifreeze/
corrosion inhibitor concentrate in accord-
ance with MB Specifications for Service Prod-
ucts 310.1.
i
When the vehicle is first delivered, it is fil-
led with a coolant mixture that ensures
adequate antifreeze and corrosion protec-
tion.
i
The coolant is checked with every main-
tenance interval at a qualified specialist
workshop.
Filling capacities
Model
Capacity
E 400
E 400 4MATIC
Approx. 10.9 US qt
(10.3 l)
E 550
Approx. 11.5 US qt
(10.9 l)
Windshield washer system and head-
lamp cleaning system
Important safety notes
G
WARNING
Windshield washer concentrate could ignite if
it comes into contact with hot engine compo-
nents or the exhaust system. There is a risk of
fire and injury.
Make sure that no windshield washer con-
centrate is spilled next to the filler neck.
!
Do not add distilled or de-ionized water to
the washer fluid container. Otherwise, the
level sensor may be damaged.
!
Only MB SummerFit and MB WinterFit
washer fluid should be mixed together. The
spray nozzles may otherwise become
blocked.
Comply with the important safety notes for
service products when handling washer fluid
(
Y
page 375).
At temperatures above freezing:
X
Fill the washer fluid reservoir with a mixture
of water and windshield washer fluid, e.g.
MB SummerFit.
Add 1 part MB SummerFit to 100 parts water.
At temperatures below freezing:
X
Fill the washer fluid reservoir with a mixture
of water and washer fluid, e.g. MB Winter-
Fit.
Adapt the mixing ratio to the outside temper-
ature.
R
Down to 14 ‡ (
Ò
10 †): mix 1 part MB Win-
terFit to 2 parts water.
R
Down to
Ò
4 ‡ (
Ò
20 †): mix 1 part MB Win-
terFit to 1 part water.
R
Down to
Ò
20.2 ‡ (
Ò
29 †): mix 2 parts MB
WinterFit to 1 part water.
i
Add windshield washer fluid, e.g. MB
SummerFit or MB WinterFit, to the washer
fluid all year round.
380
Service products and filling capacities
Technic
al
data
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