Service menu
In the Serv. menu you can:
• call up display messages
• restart the tire pressure loss warning system (Canada only)
• check the tire pressure electronically
• call up the service due date
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
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
vehicle, e ...
Unlocking the driver's door (mechanical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be trigg ...