Malfunction - Mercedes-Benz 2011 E-Class Sedan Operator's Manual

SmartKey
82
Problems with the SmartKey
Problem
You cannot lock/
unlock the vehicle
using the SmartKey.
You can no longer
lock/unlock the
vehicle using KEYLESS-
GO.
You have lost a
SmartKey.
You have lost the
mechanical key.
Possible causes/consequences and M Solutions
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
Lock or unlock the vehicle using the mechanical key
( Y page 79).
The SmartKey is faulty.
X
Lock the vehicle as described in the "Locking the vehicle
(mechanical key)" section (
mechanical key ( Y
X
Have the SmartKey checked at a qualified specialist workshop.
KEYLESS-GO is in standby mode because the vehicle has not been
unlocked for an extended period.
X
Pull the door handle and then turn the SmartKey to position 2
in the ignition lock.
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 %/& button.
X
Have the SmartKey checked at a qualified specialist workshop.
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 %/& button.
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.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the locks changed as well.
Y page 86) or unlock it using the
page 79).