Mercedes-Benz G-Class 2012 Owners Manual - Manual (Page 66)

Problems with the SmartKey
Problem Possible causes/consequences and M Solutions
You cannot lock or
unlock the vehicle
using the SmartKey. The SmartKey battery is discharged or nearly discharged.
X Point the tip of the SmartKey at the driver's door handle from a
distance of approximately 1.5 ft (50 cm) and try to unlock or
lock the vehicle again.
If this does not work:
X Check the SmartKey battery and replace it if necessary
(
Y page 62).
X Lock or unlock the vehicle using the mechanical key
(
Y page 66).
The SmartKey is faulty.
X Lock or unlock the vehicle using the mechanical key
(
Y page 66).
X Have the SmartKey checked at a qualified specialist workshop.
You have lost a
SmartKey. X Have the SmartKey canceled at an authorized Mercedes-Benz
Center.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well.
You have lost the
mechanical key. X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well.
The SmartKey cannot
be turned in the ignition
lock. The SmartKey has been in position 0 for a considerable time.
X Remove the SmartKey and reinsert it into the ignition lock.
X Check the battery and charge it if necessary ( Y page 231).
X Start the engine.
The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to turn the SmartKey again.
If this does not work:
X Check the battery and charge it if necessary ( Y page 231).
or
X Jump-start the vehicle ( Y page 233).
or
X Consult a qualified specialist workshop.
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SmartKey
Opening/closing