Mercedes-Benz GL-Class: Safety notes - Operating safety - Introduction - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Safety notes

WARNING Work improperly carried out on electronic 
Work improperly carried out on electronic components and associated software could cause them to cease functioning. Because the vehicle's electronic components are interconnected, any modifications made may produce an undesired effect on other systems. Electronic malfunctions could seriously impair the operating safety of your vehicle.
Contact an authorized Mercedes-Benz Center for repairs or modifications to electronic components.
Other improper work or modifications on the vehicle could also have a negative impact on the operating safety of the vehicle.
Some safety systems only function when the engine is running. You should therefore never turn off the engine while driving.

WARNING Heavy blows against the vehicle underbody or 
Heavy blows against the vehicle underbody or tires/wheels may cause serious damage and impair the operating safety of your vehicle.
Such blows can be caused, for example, by running over an obstacle, road debris or a pothole.
If you feel a sudden significant vibration or ride disturbance, or you suspect that damage to your vehicle has occurred:
turn on your hazard warning flashers.
slow down carefully.
drive with caution to an area which is a safe distance from the road.
Inspect the vehicle underbody and tires/ wheels for possible damage. If the vehicle appears unsafe, have it towed to the nearest authorized Mercedes-Benz Center or other qualified maintenance or repair facility for further inspection or repairs.

    Qualified specialist workshop
    An authorized Mercedes-Benz Center is a qualified specialist workshop. It has the necessary specialist knowledge, tools and qualifications to correctly carry out the work required on your vehicle. ...

    See also:

    Battery Replacement
    To change the remote control batteries: 1. Slide the rear cover back on the remote control. 2. Replace the two batteries in the compartment. Make sure they are installed correctly using the diagram ...

    Battery Load Management
    The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. ...

    Passenger Airbag Status Indicator
    If the vehicle has the airbag status indicator pictured in the following illustration, then the vehicle has a passenger sensing system for the right front passenger position. The passenger airbag st ...