Crash-responsive emergency lighting

The interior lighting is activated automatically if the vehicle is involved in an accident.

crash-responsive emergency lighting: press the hazard warning lamp button. To switch off the crash-responsive emergency lighting: press the hazard warning lamp button.
or
using the SmartKey. Lock and then unlock the vehicle using the SmartKey.

    See also:

    Switching on/off
    The three blue indicator lamps in the buttons indicate the ventilation level you have selected. If the battery voltage is too low, the seat ventilation may switch off. ► Make sure that ...

    Important safety notes
    WARNING Do not turn off the engine before the vehicle has come to a complete stop. With the engine not running, there is no power assistance for the brake and steering systems. In this case, ...

    2009 Mercedes-Benz CL-Class Review
    Sometimes, being the only car of a particular type or price can put you in a lonely place — lonely enough that automakers usually avoid it, preferring to make their own copy of what everyone else ...