Important safety notes

WARNING
Only use roof racks approved by Mercedes- Benz for your vehicle model to avoid damage to the vehicle.
Follow the manufacturer's installation instructions. Otherwise, an improperly attached roof rack system or its load could become detached from the vehicle.
Do not exceed the maximum roof load of 220 lb (100 kg).
Take into consideration that when the roof rack is loaded, the handling characteristics are different from those when operating the vehicle without the roof rack loaded.

only use roof carriers that have been tested Mercedes-Benz recommends that you only use roof carriers that have been tested and approved for Mercedes-Benz vehicles.
This helps to prevent damage to the vehicle.
Position the load on the roof carrier in such a way that the vehicle will not sustain damage even when it is in motion.

Depending on the vehicle equipment, ensure that when the roof carrier is installed you can:
• raise the sliding sunroof fully
• open the panorama roof with power tilt/sliding panel fully
• open the trunk lid fully

    See also:

    Total load limit
    Rated cargo and luggage load plus 68 kilograms (150 lbs) times the vehicle's designated seating capacity. ...

    Headlamps fogged up on the inside
    The headlamps may fog up on the inside if there is high atmospheric humidity. - Drive with the headlamps switched on. The level of moisture diminishes, depending on the length of the journey and ...

    Releasing seat belts
    Press release button 4() and guide belt tongue 2 back towards belt sash guide 1. Make sure that the seat belt is fully rolled up. Otherwise, the seat belt or belt tongue will be trapped ...