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:
PRE-SAFE® is able to detect certain critical driving
situations and implement pre-emptive measures
to protect the vehicle occupants.
PRE-SAFE® can implement the following measures
independently of each other:
Tightening the seat belts on the driver's seat
and front passenger seat...
Multimedia system:
Settings
Quick Access
Arm or disarm Tow-away
Protection.
The tow-away alarm is armed again in the following
cases:
The vehicle is unlocked again.
A door is opened.
The vehicle is locked again.
If quick access is unavailable, select the
Vehicle submenu in the Settings main menu
to arm or disarm the tow-away alarm...