Mercedes-Benz V-Class 2021 Owner's Manual page 238

Example: cap and coolant expansion reservoir
Checking the coolant level
Slowly turn the cap
#
sion reservoir 2 half a turn anti-clockwise
and allow overpressure to escape.
Turn cap 1 further and remove it.
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The coolant level is correct in the following cases:
Up to marker bar 3
R
If the engine is warm, up to 1.5 cm over
R
marker bar 3
Topping up the coolant
Only use coolant approved for Mercedes-Benz to
avoid damaging the engine cooling system.
Refer to the information on coolant
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( page 283).
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Refill the coolant up to the marker bar
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the filler opening of the coolant expansion
reservoir 2.
Replace cap 1 and tighten in a clockwise
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direction.
Start the engine.
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Set the temperature in the vehicle interior to
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the maximum output on the control panel of
the climate control.
After about five minutes, switch off the
#
engine again and allow it to cool down.
Check the coolant level again and top up the
#
coolant if necessary.
1 of the coolant expan‐
when the engine is cold
3
Filling up the windscreen washer system
& WARNING Risk of fire and injury from
windscreen washer concentrate
Windscreen washer concentrate is highly
flammable.
Avoid fire, naked flames, smoking and
#
the creation of sparks when using wind‐
screen washer concentrate.
& WARNING Risk of burns from hot com‐
ponent parts in the engine compartment
Certain component parts in the engine com‐
partment can be very hot, e.g. the engine, the
cooler and parts of the exhaust system.
Allow the engine to cool down and only
#
touch component parts described in the
following.
* NOTE Damage to the exterior lighting
due to unsuitable windscreen washer
fluid
Unsuitable windscreen washer fluids may
damage the plastic surface of the exterior
lighting.
Only use windscreen washer fluids that
#
are also suitable for use on plastic sur‐
faces, e.g. MB SummerFit or MB Winter‐
Fit.
Topping up the washer fluid
in
Washer fluid reservoir (example)
Observe the notes on windscreen washer
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fluid ( page 284).
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Maintenance and care 235