Mercedes-Benz GL-Class 2009 Owner's Manual page 250

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Key
Problem
You cannot lock or
unlock the vehicle
using the key.
You can no longer lock
or unlock the vehicle
using KEYLESS GO*.
You have lost a key.
You have lost the emer-
gency key element.
* optional
Possible causes/consequences and X X Solutions
The key batteries are discharged or nearly discharged.
Point the tip of the key at the driver's door handle from close
X
range and try to unlock or lock the vehicle again.
If this does not work:
Unlock the vehicle using the emergency key element
X
( page 250).
Y
Check the key batteries and replace them if necessary
X
( page 253).
Y
The key is faulty.
Lock/unlock the vehicle as described in the "Opening and clos-
X
ing in an emergency" section (
Have the key checked at a qualified specialist workshop.
X
KEYLESS GO* is in standby mode because the vehicle has not
been unlocked for an extended period.
Pull the door handle twice and then insert the key into the igni-
X
tion lock.
KEYLESS-GO* is malfunctioning.
Lock/unlock the vehicle using the remote control function of
X
the key. Point the tip of the key at the driver's door handle from
close range and press the %/& button.
Have the key checked at a qualified specialist workshop.
X
There is interference from a powerful source of radio waves.
Lock/unlock the vehicle as described in the "Opening and clos-
X
ing in an emergency" section (
Have the key cancelled at a Mercedes-Benz Service Centre.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the manual locks changed too.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the manual locks changed too.
X
Version: 2.11.8.1
Troubleshooting
page 250).
Y
page 250).
Y
247
Z