Important safety notes

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 engine in confined areas (such as a garage) which are not properly ventilated.
If you think that exhaust gas fumes are entering the vehicle while driving, have the cause determined and corrected immediately. If you must drive under these conditions, drive only with at least one window fully open at all times.

pedal Do not depress the accelerator pedal when starting the engine.

for up to The catalytic converter preheats for up to 30 seconds after a cold start. The sound of the engine may change during this time.

    See also:

    Reporting malfunctions relevant to safety
    For the USA only: The following text is reproduced as required of all manufacturers according to Title 49, Code of U.S. Federal Regulations, Part 575 pursuant to the National Traffic and Motor ...

    COMAND display
    Display overview The COMAND display shows the function currently selected and its associated menus. The COMAND display is divided into several areas. The radio display is shown in the example. ...

    NECK-PRO luxury head restraints
    If you have difficulty resetting the NECK-PRO luxury head restraints, have this work carried out at a qualified specialist workshop, e.g. an authorized Mercedes- Benz Center. Remove res ...