Mercedes-Benz CL-Class 2012 - Manual (Page 412)

Checking the oil level using the on-
board computer
On vehicles with a 12-cylinder engine, the oil
level can be checked using the on-board
computer. On all other models, the dipstick
must be used to check the engine oil level.
X Park the vehicle on a level surface.
To check the oil level with the engine at
normal operating temperature, switch the
engine off and wait for approximately five
minutes.
X Make sure that the SmartKey is in position
2 in the ignition lock.
X Press the ; or = button to select the
Service menu.
X Press the : or 9 button to select
Engine Oil Level .
X Press the a button.
The multifunction display shows the
following message:
Engine Oil Level
Measuring Now Measurement correct
only if vehicle level.
The measurement takes a few seconds. You
will see one of the following messages in the
multifunction display:
R
Engine Oil Level OK
R
Add 1.0 l Engine Oil At Next
Refueling
R
Add 1.5 l Engine Oil At Next
Refueling
R
Add 2.0 l Engine Oil At Next
Refueling
X Add oil if necessary.
If the engine is at normal operating
temperature and the
Engine Oil Level
Reduce Oil Level message appears, the
engine oil level is too high.
X Have excess oil siphoned off.
! Do not add too much oil. Adding too much
oil can result in damage to the engine or the
catalytic converter. Have excess oil
siphoned off.
If the For Engine Oil Level Ignition
Must be On message appears:
X Turn the SmartKey to position 2 in the
ignition lock.
If the Need More Time to Check Engine
Oil Level message appears:
X If the engine is at normal operating
temperature: repeat the measurement
after about five minutes.
If the engine is not at normal operating
temperature (e.g. if the engine was only
started briefly): repeat the measurement
after about 30 minutes.
If the Engine Oil Level Not When
Engine On message appears:
X Switch off the engine.
X If the engine is at normal operating
temperature: wait about five minutes
before carrying out the measurement.
If the engine is not at normal operating
temperature, e.g. if the engine was only
started briefly: wait about 30 minutes
before carrying out the measurement.
i If you wish to cancel the measurement,
press the % button on the multifunction
steering wheel.
Adding engine oil
G WARNING
If engine oil comes into contact with hot
engine parts, it may ignite and you could burn
yourself. Do not spill any engine oil on hot
engine parts.
H Environmental note
When adding oil, take care not to spill any. If
oil enters the soil or waterways, it is harmful
to the environment.
! Use only engine oils and oil filters that
have been approved for vehicles equipped
with a service system. A list of the engine
oils and oil filters tested and approved in
accordance with the Mercedes-Benz
410
Engine compartment
Maintenance and care