Loss - Mercedes-Benz E-Class Coupe Operator's Manual

Problems with the SmartKey
Problem
You cannot lock or
unlock the vehicle
using the SmartKey.
You can no longer lock
or unlock the vehicle
using KEYLESS-GO.
You have lost a
SmartKey.
Possible causes/consequences and M Solutions
The SmartKey battery is discharged or nearly discharged.
X
Try again to lock/unlock the vehicle using the remote control
function of the SmartKey. Point the tip of the SmartKey at the
driver's door handle from close range and press the % or
& button.
If this does not work:
X
Check the SmartKey battery (
necessary ( Y page 75).
X
Lock ( Y page 80) or unlock (
the mechanical key.
The SmartKey is faulty.
X
Lock ( Y page 80) or unlock (
the mechanical key.
X
Have the SmartKey checked at a qualified specialist workshop.
KEYLESS-GO is in standby mode because the vehicle has not been
unlocked for a long time.
X
Pull the door handle and then turn the SmartKey to position 2
in the ignition lock.
There is interference from a powerful source of radio waves.
X
Lock/unlock the vehicle using the remote control function of
the SmartKey. Point the tip of the SmartKey at the driver's door
handle from close range and press the % or & button.
There is a malfunction with KEYLESS-GO.
X
Lock/unlock the vehicle using the remote control function of
the SmartKey. Point the tip of the SmartKey at the driver's door
handle from close range and press the % or & button.
X
Have KEYLESS-GO checked at a qualified specialist workshop.
If this does not work:
X
Check the SmartKey battery (
necessary ( Y page 75).
X
Lock ( Y page 80) or unlock (
the mechanical key.
X
Have the SmartKey deactivated at a qualified specialist
workshop.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the locks changed as well.
SmartKey
Y page 75) and replace it if
Y page 81) the vehicle using
Y page 81) the vehicle using
Y page 75) and replace it if
Y page 81) the vehicle using
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