Checking the oil level using the onboard 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.

To check the oil level with the engine at 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.

2 in the ignition lock. Make sure that the SmartKey is in position 2 in the ignition lock.

Press the or or button to select the button to select the Service menu.

Press the or or button to select button to select Engine Oil Level.

Press the button. 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:

• Engine Oil Level OK
• Add 1.0 l Engine Oil At Next Refueling
• Add 1.5 l Engine Oil At Next Refueling
• Add 2.0 l Engine Oil At Next Refueling

If the engine is at normal operating 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.

Do not add too much oil. Adding too much Have excess oil siphoned off.

oil can result in damage to the engine or the 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:

ignition lock. Turn the SmartKey to position 2 in the ignition lock.

If the Need More Time to Check Engine Oil Level message appears:

temperature: repeat the measurement 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:

If the engine is at normal operating Switch off the engine.

temperature: wait about five minutes 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.

press the If you wish to cancel the measurement, press the button on the multifunction button on the multifunction steering wheel.

    See also:

    Driving, Part Two
    The CL's standard Airmatic suspension is hard to fault. It can operate in either its default Comfort setting or a firmer Sport setting. Without going into technical details, I'll say that it absor ...

    Engine oil
    Please bear the following in mind The engine oils are matched to the performance of Mercedes-Benz engines and service intervals. You should therefore only use engine oils and oil filters that a ...

    Active light function
    Active light function The active light function is a system that moves the headlamps according to the steering movements of the front wheels. In this way, relevant areas remain illuminated ...