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authorized Mercedes-Benz Center check the
transmission.
Coolant level
The engine coolant is a mixture of water and
anticorrosion/antifreeze.
When checking the coolant level, the vehicle
must be parked on level ground, and the
coolant temperature must be below 158‡
(70†).
G
Warning!
In order to avoid any potentially serious burns:
R
Use extreme caution when opening the
hood if there are any signs of steam or
coolant leaking from the cooling system, or
if the coolant temperature display indicates
that the coolant is overheated.
R
Do not remove the cap on the coolant
expansion tank if the coolant temperature
is above 158‡ (70†). Allow the engine to
cool down before removing the cap. The
coolant expansion tank contains hot fluid
and is under pressure.
R
Using a rag, slowly open the cap
approximately
1
/
2
turn counterclockwise
to relieve excess pressure. If opened
immediately, scalding hot fluid and steam
will be blown out under pressure.
R
Do not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which
may burn if it comes into contact with hot
engine parts.
Example illustration: SLK 350
X
Using a rag, slowly open cap ;
approximately
1
/
2
turn counterclockwise
to relieve excess pressure.
X
Continue turning cap ; counterclockwise
and remove it.
The coolant level is correct if the level
R
for cold coolant: reaches marking bar
= in coolant expansion tank :
R
for warm coolant: is approximately 0.6 in
(1.5 cm) higher
X
Add coolant as required.
X
Screw cap ; back on and tighten it.
For more information on coolant, see the
“Technical data” section (Y page 301) and
(Y page 304).
Washer system and headlamp
cleaning system
G
Warning!
Washer solvent/antifreeze is highly
flammable. Do not spill washer solvent/
antifreeze on hot engine parts, because it may
ignite and burn. You could be seriously
burned.
!
Always use washer solvent/antifreeze
where temperatures may fall below
freezing point. Failure to do so could result
in damage to the washer system/fluid
reservoir.
196
Engine compartment
Operation
171_AKB; 3; 60, en-US
d2ureepe, Version: 2.11.8.1
2009-05-11T16:00:23+02:00 - Seite 196