Mercedes-Benz GL-Class: SmartKey functions
General information
If you cannot lock or unlock the vehicle with
the SmartKey, either the battery in the
SmartKey is discharged, the SmartKey is
faulty or the starter battery is discharged.
► Check the battery ...
General notes
USA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful
interference, and
2. this device mus ...
See also:
Battery Power Protection
This feature shuts off the dome lamps if they are left on for more than 10 minutes
when the ignition is in LOCK/OFF. This helps to prevent the battery from running
down. ...
Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL® engine coolant. The
coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000
mi), whichever occurs first.
The fo ...
Heated steering wheel
The heated steering wheel system is
designed to operate only when the surface
temperature of the steering wheel is below
688F (208C).
Push the heated steering wheel switch to
warm the stee ...






