Mercedes-Benz 2011 CL-Class Operator's Manual page 409

The following causes engine failure or
damage to the exhaust system:
using engine oils and oil filters that are
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not specifically approved for the service
system
replacing the engine oil and oil filter after
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having exceeded the interval for
replacement prescribed by the
maintenance system
using engine oil additives
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Engine oil cap (example)
Engine oil cap (AMG vehicles, example: 8-cylinder
engine)
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Turn cap : counter-clockwise and remove
it.
X
Add the amount of oil required.
Observe the specifications in the on-board
computer when doing so or fill carefully to the
maximum mark on the oil dipstick.
i Vehicles with a dipstick: the difference in
quantity between the MIN mark and the
MAX mark on the dipstick is (depending on
the engine) approximately 1.6 to
2.1 US qt (1.5 to 2 l).
Engine compartment
i AMG vehicles with 8-cylinder engines: the
difference in quantity between the MIN
mark and the MAX mark on the dipstick is
approximately 1.6 US qt (1.5 l).
! Do not add too much oil. If the oil level is
above the "max" mark on the dipstick, too
much oil has been added. This can lead to
damage to the engine or the catalytic
converter. Have excess oil siphoned off.
Further information on engine oil
( Y page 471).
X
Replace cap : on the filler neck and
tighten clockwise.
Ensure that the cap locks into place
securely.
Checking and adding other service
products
Check coolant level
Only check the coolant level when the vehicle
is on a level surface and the engine has cooled
down.
X
Turn the key to position 2 (
the ignition lock.
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (
X
Check the coolant temperature display in
the instrument cluster.
The coolant temperature must be below
158 ‡ (70 †).
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Warning
In order to avoid any potentially serious burns:
use extreme caution when opening the
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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.
do not remove the pressure cap on the
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coolant reservoir if the coolant temperature
is above 158 ‡ (70 †). Allow the engine to
cool down before removing the cap. The
407
Y page 267) in
Y page 267).
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