Operation Manual

For more information on engine oil, see
“Fuels, coolants, lubricants etc.”
(Y page 350).
For information on messages in the
multifunction display concerning engine oil,
see the “Practical hints” section
(Y page 293).
Adding engine oil
!
Only use approved engine oils and oil
filters required for vehicles with
Maintenance System. For a listing of
approved engine oils and oil filters, contact
an authorized Mercedes-Benz Center or
visit www.mbusa.com (USA only).
The following will result in engine or
emission control system damage not
covered by the Mercedes-Benz Limited
Warranty:
R
Using engine oils and oil filters of
specification other than those expressly
required for the Maintenance System.
R
Changing of oil and oil filter at change
intervals longer than those called for by
the Maintenance System.
R
Using any oil additives.
Example illustration: R 350
X
Unscrew filler cap : from filler neck.
X
Add engine oil as required. Be careful not
to overfill with oil.
Be careful not to spill any oil when adding.
Avoid environmental damage caused by oil
entering the ground or water.
!
Excess oil must be siphoned or drained
off. It could cause damage to the engine
and emission control system not covered
by the Mercedes-Benz Limited Warranty.
X
Screw filler cap : back on filler neck.
For more information on engine oil, see the
“Technical data” section (Y page 350) and
(Y page 352).
Transmission fluid level
The transmission fluid level does not need to
be checked. If you notice transmission fluid
loss or gearshifting malfunctions, have an
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 to relieve excess
pressure. If opened immediately, scalding
Engine compartment
225
Operation
251_AKB; 4; 52, en-US
d2ureepe, Version: 2.11.8.1
2009-03-23T09:22:52+01:00 - Seite 225
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