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:

    2011 Mercedes-Benz R-Class Review by Kristin Varela
    What's a parent to do when they need to transport more than two or three children (or adults for that matter), but they're not willing to make the leap to a minivan and don't love the trucky feel ...

    Activating/deactivating Lane Keeping Assist
    You can use the Lane Keep. Asst. function to activate/deactivate Lane Keeping Assist or Active Lane Keeping Assist. Press the or button on the steering wheel to select the DriveAssist me ...

    Hazard warning lamps
    The hazard warning lamps automatically switch on if:  - an air bag is deployed.  - the vehicle is slowed down severely from a speed of over 45 mph(70 km/h) and comes to a halt. ...