Range of the sensors

General notes

The sensors must be free of dirt, ice and slush; otherwise they may not function correctly. Clean the sensors regularly, taking care not to scratch or damage them.

Side view
Side view

Top view
Top view

Front sensors

Rear sensors

Rear sensors

When parking, pay particular

attention to When parking, pay particular attention to objects above or below the sensors, such as flower pots or trailer drawbars.
PARKTRONIC does not detect such objects when they are in the immediate vicinity of the vehicle. You could damage the vehicle or the objects.
The sensors may not detect snow and other objects that absorb ultrasonic waves.
Ultrasonic sources such as an automatic car wash, the compressed-air brakes on a truck or a pneumatic drill could cause PARKTRONIC to malfunction.
PARKTRONIC may not function correctly on uneven terrain.

Minimum distance

If there is an obstacle within this range, the

If there is an obstacle within this range, the relevant warning displays light up and a warning tone sounds. If the distance falls below the minimum, the distance may no longer be shown.

    See also:

    Checking the coolant level
    Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. – Turn the SmartKey to position 2 (Y page 139) in the ignition lock. On vehicles with KEYLES ...

    Unique combination of driver assistance systems
    A world-first combination of state-of-the-art assistance and protection systems is available for the 2010 Mercedes-Benz S-Class. Many of these systems are also available in the new Mercedes-Benz E ...

    Overhead control panel
      ...