Operation Manual

i
The coolant is checked with every mainte-
nance interval at a qualified specialist work-
shop.
Filling capacities
Model Capacity
C 400 4MATIC
Mercedes-Benz
C 450 AMG 4MATIC
11.5 US qt (10.9 l)
Mercedes‑AMG
vehicles
11.7 US qt (11.1 l)
All other models
8.5 US qt (8.0 l)
Windshield/headlamp cleaning sys-
tem
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.
!
Only use washer fluid that is suitable for
plastic lamp lenses, e.g. MB SummerFit or MB
WinterFit. Unsuitable washer fluid could dam-
age 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.
!
Only MB SummerFit and MB WinterFit
washer fluid should be mixed together. The
spray nozzles may otherwise become
blocked.
When handling washer fluid, observe the impor-
tant safety notes on service products
(
Y page 388).
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 WinterFit.
For the correct mixing ratio refer to the infor-
mation on the antifreeze reservoir.
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Add windshield washer fluid, e.g. MB Sum-
merFit or MB WinterFit, to the washer fluid all
year round.
Climate control system refrigerant
Important safety notes
The climate control system of your vehicle is fil-
led with refrigerant R‑134a.
The instruction label regarding the refrigerant
type used can be found on the radiator cross
member.
!
Only the refrigerant R‑134a and the PAG oil
approved by Mercedes-Benz may be used.
The approved PAG oil may not be mixed with
any other PAG oil that is not approved for
R-134a refrigerant. Otherwise, the climate
control system may be damaged.
Service work, such as topping up refrigerant or
replacing components, may only be carried out
by a qualified specialist workshop. All applicable
regulations, as well as SAE standard J639, must
be adhered to.
Always have work on the climate control system
carried out at a qualified specialist workshop.
Refrigerant instruction label
Example: refrigerant instruction label
:
Warning symbol
;
Refrigerant filling capacity
=
Applicable standards
Service products and filling capacities
393
Technical data
Z