Mercedes-Benz GLC : Operating fluids / Coolant
Notes on coolant
Observe the notes on operating fluids.
WARNING ‑ Risk of fire and injury from
antifreeze
If antifreeze comes into contact with hot
component parts in the engine compartment,
it may ignite.
Allow the engine to cool
down before
adding antifreeze.
Make sure that no
antifreeze spills out
next to the filler opening.
Thoroughly clean off any
antifreeze
from component parts before starting
the vehicle.
NOTE Damage caused by incorrect coolant
Only use coolant that has
been premixed
with the required antifreeze protection.
Information on coolant is available at the following
locations:
- In the Mercedes-Benz Specifications for
Operating Fluids 310.1
- At a qualified specialist workshop
NOTE Overheating at high outside temperatures
If an inappropriate coolant is used, the
engine cooling system is not sufficiently protected
against overheating and corrosion at
high outside temperatures.
Always use coolant
approved by
Mercedes-Benz.
Observe the instructions
in the
Mercedes-Benz Specifications for Operating
Fluids 310.1.
Have the coolant regularly replaced at a qualified
specialist workshop.
Proportion of antifreeze concentrate in the
engine cooling system:
- A minimum of 50% (antifreeze protection
down to approximately -35°F (-37°C))
- A maximum of 55% (antifreeze protection
down to -49°F (-45°C))
Coolant capacity

Observe the notes on operating fluids.
WARNING Risk of an accident due to
vapor pockets forming in the brake system
The brake fluid constantly absorbs moisture
from the air...
Observe the notes on operating fluids.
WARNING ‑ Risk of fire and injury from
windshield washer concentrate
Windshield washer concentrate is highly
flammable...
Other information:
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...
If the left-hand rear seat backrest is folded down
and back up again, it may not be possible to pull
out the rear passenger compartment center seat
belt. The seat belt must be released.
Pull the seat belt out approximately 1 in (25 mm) at the seat belt outlet on the seat backrest and then release it again...