Automatic locking feature

The vehicle locks automatically when the ignition is switched on and the wheels of the vehicle are turning at a speed of more than 9 mph (15 km/h).
You could therefore be locked out when:
- the vehicle is being pushed.
- the vehicle is being towed.
- the vehicle is being tested on a dynamometer.

- To deactivate: press and hold button 1

- To deactivate: press and hold button 1 for about five seconds until a tone sounds.
- To activate: press and hold button 2 for about five seconds until a tone sounds.

buttons and If you press one of the two buttons and do not hear a tone, the relevant setting has already been selected.

You can also switch the automatic locking function on and off using the on-board computer.

    See also:

    Useful information
    This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differenc ...

    Important safety notes
    WARNING Activate the child-proof locks for the rear doors and the override switch for the rear windows when children are traveling in the vehicle. Children could injure themselves or other ...

    High-performance brake system for AMG vehicles
    The high-performance brake system is installed only on the S 63 AMG and S 65 AMG. WARNING New vehicle brake pads and discs, and replacement brake pads and discs may take several hundred mile ...