Mercedes-Benz GLC : Engine compartment / Checking the coolant level
WARNING Risk of burns from hot component
parts in the engine compartment
Certain component parts in the engine compartment
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.
WARNING Risk of scalding from hot
coolant
If you open the cap, you could be scalded.
Let the motor cool down
before opening
the cap.
When opening the cap,
wear protective
gloves and safety glasses.
Open the cap slowly to
release pressure.

Park the vehicle on a level
surface.
Check the coolant temperature
display in the
instrument cluster.
The coolant temperature must be in the bottom
quarter of the temperature display.
Slowly turn cap
counter-clockwise to
release overpressure.
Continue turning cap 1
counter-clockwise
and remove it.
The coolant level is correct in the following
cases:
- If the engine is cold, the coolant is up to
marker bar
.
- If the engine is warm, the coolant is up to
0.6 in (1.5 cm) over the marker bar
.
If necessary, add coolant that
has been
approved for Mercedes-Benz.
Further information on coolant
WARNING Risk of burns from hot component
parts in the engine compartment
Certain component parts in the engine compartment
can be very hot, e.g. the engine,
the cooler and parts of the exhaust system...
WARNING Risk of burns from hot component
parts in the engine compartment
Certain component parts in the engine compartment
can be very hot, e.g. the engine,
the cooler and parts of the exhaust system...
Other information:
Requirements:
The engine has been warmed up.
The vehicle is parked on a level surface.
The engine is running at idle speed.
The hood is closed.
The engine oil level is determined during driving.
Determining the engine oil level can take up to
30 minutes with a normal driving style and even
longer with an active driving style...
NOTE Engine damage due to water
ingress
Take care not to point
the water jet
directly towards the air inlet grille below
the hood.
Observe the legal requirements, e.g. in a number
of countries, washing by hand is only permitted
in specially designated wash bays...