See also:

System self-test
The indicator lamp illuminates when you: turn the SmartKey to position 1 or 2 in the ignition lock on vehicles with KEYLESS-GO, press the Start/Stop button once or twice If an adult occupa ...

Premium-grade unleaded gasoline
To ensure the longevity and full performance of the engine, only premiumgrade unleaded gasoline may be used. If there is no premium-grade unleaded gasoline available and regular-grade unleade ...

Notes on technical data
The data stated here specifically refers to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...