Trailer towing

When you attach a trailer, make sure you have correctly established the electrical connection. This can be accomplished by checking the trailer lighting. In this event, Blind Spot Assist is deactivated. The indicator lamp in the exterior mirrors lights up yellow and the Blind Spot Assist Currently Unavailable See Operator's Manual message appears in the multifunction display.

the exterior mirrors. You can deactivate the indicator lamps in the exterior mirrors.

To do so, switch off Blind Spot Assist when:

the SmartKey is in position 2 in the ignition lock.
the engine is not running.
the electrical connection to the trailer has been established.

    See also:

    Transmission positions
    Park position Do not shift the transmission into position P unless the vehicle is stationary. The parking lock should not be used as a brake when parking. In addition to engaging the pa ...

    Exterior mirror out of position
    If an exterior mirror has been pushed out of position, proceed as follows: ► Vehicles without electrically folding exterior mirrors: move the exterior mirror into the correct position manu ...

    The M-Class also protects its occupants after a crash
    As part of the POST-SAFE® functions, the new M-Class can activate a variety of systems which can contribute towards avoiding post-accident risks. After a more serious crash, the hazard warning lig ...