Mercedes-Benz 2013 C-Class W204 Sedan Owner's Manual page 341

Checking and adding other service
products
Checking the coolant level
G
WARNING
Certain components in the engine compart-
ment could be very hot, e.g. the engine, the
radiator and parts of the exhaust system.
There is a risk of injury when accessing the
engine compartment.
As far as possible, allow the engine to cool
down and only touch the following compo-
nents.
G
WARNING
The engine cooling system is under pressure,
particularly if the engine is warm. You could
be scalded by hot coolant spraying out when
opening the cap. There is a danger of injury.
Allow the engine to cool before opening the
cap. Wear gloves and protective eyewear
when opening. Slowly turn the cap half a turn
to allow pressure to escape.
Only check the coolant level if the vehicle is
on a level surface and the engine has cooled
down.
X
Turn the key to position 2 in the ignition
lock ( Y page 167).
On vehicles with KEYLESS-GO, press the
Start/Stop button (
X
Check the coolant temperature display in
the instrument cluster.
The coolant temperature must be below
70 †.
Y page 167) twice.
Engine compartment
X
Slowly turn cap : half a turn anti-clock-
wise and allow excess pressure to escape.
X
Turn cap : further anti-clockwise and
remove it.
If the coolant is at the level of marker bar
= in the filler neck when cold, there is
enough coolant in coolant expansion
tank ;.
If the coolant level is approximately
1.5 cm above marker bar = in the filler
neck when warm, there is enough coolant
in coolant expansion tank ;.
X
If necessary, top up with coolant that has
been tested and approved by Mercedes-
Benz.
X
Replace cap : and turn it clockwise as far
as it will go.
For further information on coolant, see
( Y page 402).
Topping up the windscreen washer sys-
tem/headlamp cleaning system
G
WARNING
Certain components in the engine compart-
ment could be very hot, e.g. the engine, the
radiator and parts of the exhaust system.
There is a risk of injury when accessing the
engine compartment.
As far as possible, allow the engine to cool
down and only touch the following compo-
nents.
G
WARNING
Windscreen washer concentrate is highly
flammable. If it comes into contact with hot
engine components or the exhaust system it
could ignite. There is a risk of fire and injury.
Make sure that no windscreen washer con-
centrate is spilled next to the filler neck.
339
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