Activation conditions

You can activate the HOLD function if:
• the vehicle is stationary.
• the engine is running.
• the driver's door is closed or your seat belt is fastened.
• the parking brake is not applied.
• the hood is closed.
• the transmission is in position D, R or N.
• DISTRONIC PLUS is deactivated.

    See also:

    Seating & Cargo
    The GL550's front seats have a litany of power adjustments, including adjustable stiffness for the side bolsters. Even with the bolsters and lumbar support dialed all the way back, the seats are t ...

    Important safety notes
    DISTRONIC regulates the speed and automatically helps you maintain the distance to the vehicle detected in front. It brakes automatically in order to avoid exceeding the set speed. On long and ...

    Monitoring range of the sensors
    Blind Spot Assist monitors the area shown in the figure up to 10 ft (3 m) behind and immediately adjacent to your vehicle. WARNING   Blind Spot Assist monitors certain areas in the im ...