Mercedes-Benz GL-Class: Important safety notes - On-board computer and displays - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Important safety notes

You will find an illustration of the instrument cluster in the "At a glance" section.

WARNING A driver's attention to the road and traffic 
A driver's attention to the road and traffic conditions must always be his/her primary focus when driving.
For your safety and the safety of others, selecting features through the multifunction steering wheel should only be done by the driver when traffic and road conditions permit it to be done safely.
Bear in mind that at a speed of just 30 mph (approximately 50 km/h ), your vehicle is covering a distance of 44 feet (approximately 14 m) every second.

WARNING No messages will be displayed if either the 
No messages will be displayed if either the instrument cluster or the multifunction display is inoperative.
As a result, you will not be able to see information about your driving conditions, such as
speed
outside temperature
warning/indicator lamps
malfunction/warning messages
failure of any systems
Driving characteristics may be impaired.
If you must continue to drive, do so with added caution. Contact an authorized Mercedes-Benz Center as soon as possible.

WARNING Malfunction and warning messages are only 
Malfunction and warning messages are only indicated for certain systems and are intentionally not very detailed. The malfunction and warning messages are simply a reminder with respect to the operation of certain systems. They do not replace the owner's and/or driver's responsibility to maintain the vehicle's operating safety. Have all required maintenance and safety checks performed on the vehicle. Bring the vehicle to an authorized Mercedes-Benz Center to address the malfunction and warning messages.

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