Mercedes-Benz 2016 GL Operator's Manual page 91

Problem
You have lost a Smart-
Key.
You have lost the
mechanical key.
The engine cannot be
started using the
SmartKey.
Possible causes/consequences and M Solutions
The SmartKey battery is discharged or nearly discharged.
Check the SmartKey battery (
X
essary ( page 85).
Y
If this does not work:
Unlock ( page 92) or lock (
X
Y
mechanical key.
There is interference from a powerful source of radio waves.
Unlock ( page 92) or lock (
X
Y
mechanical key.
KEYLESS-GO is malfunctioning.
Lock/unlock the vehicle using the remote control function of
X
the SmartKey.
Have the vehicle and SmartKey checked at a qualified specialist
X
workshop.
If the vehicle can also not be locked/unlocked using the remote
control function:
Unlock ( page 92) or lock (
X
Y
mechanical key.
Have the vehicle and SmartKey checked at a qualified specialist
X
workshop.
Have the SmartKey deactivated at a qualified specialist work-
X
shop.
Report the loss immediately to the vehicle insurers.
X
If necessary, have the locks changed as well.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the locks changed as well.
X
The on-board voltage is too low.
Switch off non-essential consumers, e.g. seat heating or interior
X
lighting, and try to start the engine again.
If this does not work:
Check the starter battery and charge it if necessary
X
( page 394).
Y
or
Jump-start the vehicle (
X
or
Consult a qualified specialist workshop.
X
page 85) and replace it if nec-
Y
page 92) the vehicle using the
Y
page 92) the vehicle using the
Y
page 92) the vehicle using the
Y
page 395).
Y
SmartKey
89
Z