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:
The ECO display summarizes your driving characteristics
from the start of the journey to its
completion and assists you in achieving the
most economical driving style.
You can influence consumption by doing the following:
Driving with particular care
Driving the vehicle in drive program
Observing the gearshift recommendations
The inner segment will light up and the outer
segment will fill up when the following driving
style is adopted:
Moderate acceleration
Gentle deceleration and
rolling
Consistent speed
The inner segment will not light up and the outer
segment will empty when the following driving
style is adopted:
Sporty acceleration
Heavy braking
Fluctuations in speed
The ECO display will show you when you have
driven economically:
The three outer segments are completely filled
simultaneously...
WARNING Risk of becoming trapped if
the windshield wipers are switched on
while wiper blades are being replaced
If the windshield wipers begin to move while
you are changing the wiper blades, you can
be trapped by the wiper arm.
Always switch off the
windshield wipers
and the ignition before changing the
wiper blades...