Perform adjustments to the control system - AR54.30-P-1000-02OPS

Check engine oil level. 

The vehicle must be horizontal for at least 5 minutes with the engine switched off at operating temperature, otherwise there will be measuring errors.

1. Switch on ignition.
2. Press the system selection button (S110s3) repeatedly until the "Service" menu appears in bolt in the multifunction display (A1p13).
3. Press the scroll forward/back button (S110s1) repeatedly and select "engine oil level".
4. Press OK button (S110s6).

   The note "engine oil level, measurement in progress, correct measurement only if the vehicle is level" appears in the multifunction display (A1p13).

5. The measurement result is shown in the multifunction display (A1p13).
6. Correct the engine oil level if necessary and check engine oil level again.
7. Switch off ignition.
   Fig 1: Identifying Multifunction Display, Forward/Back And System Selection Buttons

   Courtesy of MERCEDES-BENZ USA