Mercedes-Benz EQC 350 4MATIC 2021 Owner's Manual page 306

Check the coolant temperature display in the
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instrument cluster.
The coolant temperature must be below
40°C.
Slowly turn cap 1 anti-clockwise to release
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overpressure.
Continue turning cap 1 anti-clockwise and
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remove it.
If the coolant level is below the marker bar
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2, visit a qualified specialist workshop, e.g.
a Mercedes-Benz Service Centre. Only have
the coolant checked or refilled at a qualified
specialist workshop.
Topping up the windscreen washer system
& WARNING Risk of burns from hot com‐
ponents in the engine compartment
Certain components in the engine compart‐
ment may be very hot, e.g. drive system and
cooler.
Allow the drive system to cool down
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and touch only the components descri‐
bed below.
& WARNING Risk of fire and injury from
windscreen washer concentrate
Windscreen washer concentrate is highly
flammable.
Avoid fire, naked flames, smoking and
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the creation of sparks when using wind‐
screen washer concentrate.
Maintenance and care 303
Remove cap 1 by the tab.
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Top up the washer fluid.
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% Further information about the windscreen
washer fluid ( page 350)
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