Operation Manual

Coolant
G
Warning!
In order to avoid potentially serious burns:
R
Use extreme caution when opening the
service flap if there are any signs of
steam or coolant leaking from the
cooling system, or if the coolant
temperature warning lamp ? in the
instrument cluster indicates that the
coolant is overheated.
R
Do not remove the pressure cap on coolant
reservoir if coolant temperature is
above 158¦ (70¥). Allow engine to cool
down before removing cap. The coolant
reservoir contains hot fluid and is under
pressure.
R
Using a rag, slowly turn the cap
approximately
1
/
2
turn to relieve excess
pressure. If opened immediately,
scalding hot fluid and steam will be
blown out under pressure.
The engine coolant is a mixture of water
and anticorrosion/antifreeze. To check the
coolant level the vehicle must be parked on
level ground and the engine must have
cooled down. For more information, see
“Coolants” (Y page 223).
Checking coolant level
X
Remove the service flap and insert it on
the front of the vehicle (Y page 122).
The coolant reservoir is located in the
front compartment on the driver’s side.
X
Allow the radiator to cool down for at
least 30 minutes.
X
Using a rag, slowly turn pressure
cap : approximately
1
/
2
turn
counterclockwise to release any excess
pressure.
X
Continue turning pressure cap :
counterclockwise and remove it.
The coolant level is correct if the level
R
for cold coolant: reaches marking
bar ; visible through the filling
opening
R
for warm coolant: is approximately
0.6 in (1.5 cm) higher
X
If necessary, add coolant.
Adding coolant
X
Add coolant as required. The coolant
level may not exceed the maximum filling
level.
X
Replace and tighten pressure cap :.
X
Remount the service flap and close it
(Y page 122).
Windshield/rear window washer system
Both the windshield and the rear window
14
washer are supplied from the windshield
washer reservoir.
The recommended minimum filling level is
1.06 US qt (1.0 l).
X
Remove the service flap and insert it on
the front of the vehicle (Y page 122).
The windshield washer reservoir is located
in the front compartment on the driver’s
side.
14
Coupé only.
124
Front compartment
>> Operation.
BA 451 USA, CA Edition A 2011; 1; 4, en-US
hereepe Version: 3.0.3.6
2010-05-11T15:12:26+02:00 - Seite 124