See also:

Fuel grade
You should only refuel with premiumgrade unleaded gasoline, as this avoids damaging the catalytic converter. Flexible fuel vehicles, identifiable from the label inside the fuel filler flap, ...

Exhaust check
WARNING Inhalation of exhaust gas is hazardous to your health. All exhaust gas contains carbon monoxide (CO), and inhaling it can cause unconsciousness and possible death. Do not run the engi ...

Remote vehicle unlocking
If you have unintentionally locked your vehicle (e.g. the SmartKey is still in the vehicle) and a replacement SmartKey is not available, the vehicle can be opened by a Mercedes-Benz Customer A ...