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446 Technical data
A maximum of 55% (antifreeze protection
R
down to -49 °F (-45 °C))
▌Coolant filling capacity
Coolant (drive system cooling circuit)
Model
Capacity
EQS 450+
11.6 US qt
(11.0 liters)
All other models
12.7 US qt
(12.0 liters)
Coolant (high-voltage battery cooling circuit)
Model
Capacity
All models
15.9 US qt (15.0 l)
Notes on windshield washer fluid
Observe the notes on operating fluids
(
page 444).
/
& WARNING Risk of fire and injury from
windshield washer concentrate
Windshield washer concentrate is highly flam-
mable. If it comes into contact with hot com-
ponents, it may ignite.
Make sure that windshield washer con-
#
centrate is not spilled near to the filler
opening.
* NOTE Damage to the exterior lighting due
to unsuitable windshield washer fluid
Unsuitable windshield washer fluid may dam-
age the plastic surface of the exterior lighting.
Only use windshield washer fluid which is
#
also suitable for use on plastic surfaces,
e.g. MB SummerFit or MB WinterFit.
* NOTE Blocked spray nozzles caused by
mixing windshield washer fluids
Do not mix MB SummerFit and MB Win-
#
terFit with other windshield washer flu-
ids.
Do not use distilled or de-ionized water. Other-
wise, the fill level sensor may be triggered errone-
ously.
Recommended windshield washer fluid:
above freezing point: e.g. MB SummerFit
R
below freezing point: e.g. MB WinterFit
R
For the correct mixing ratio, refer to the informa-
tion on the antifreeze container.
Mix washer fluid with windshield washer fluid all
year round.
Refrigerant
▌Notes on refrigerant
Observe the notes on operating fluids
(
page 444).
/
* NOTE Damage due to incorrect refrigerant
If a non-approved refrigerant is used, the cli-
mate control system may be damaged.
Use only R‑1234yf refrigerant.
#
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