Mercedes-Benz E-Class Cabriolet, Operator'S Manual

Page: 90 / 386

Problems with the SmartKey
Problem
Possible causes/consequences and M M Solutions
You can no longer lock
or unlock the vehicle
using the SmartKey.
The SmartKey battery is discharged or nearly discharged.
X
Check the SmartKey battery (
Y
page 86) and replace it if nec-
essary (
Y
page 87).
If this does not work:
X
Unlock (
Y
page 91) or lock (
Y
page 91) the vehicle using the
mechanical key.
The SmartKey is faulty.
X
Unlock (
Y
page 91) or lock (
Y
page 91) the vehicle using the
mechanical key.
X
Have the SmartKey checked at a qualified specialist workshop.
You can no longer lock
or unlock the vehicle
using KEYLESS-GO.
The SmartKey battery is discharged or nearly discharged.
X
Check the SmartKey battery (
Y
page 86) and replace it if nec-
essary (
Y
page 87).
If this does not work:
X
Unlock (
Y
page 91) or lock (
Y
page 91) the vehicle using the
mechanical key.
There is interference from a powerful source of radio waves.
X
Unlock (
Y
page 91) or lock (
Y
page 91) the vehicle using the
mechanical key.
KEYLESS-GO is malfunctioning.
X
Lock/unlock the vehicle using the remote control function of
the SmartKey.
X
Have the vehicle and SmartKey checked at a qualified specialist
workshop.
If the vehicle can also not be locked/unlocked using the remote
control function:
X
Unlock (
Y
page 91) or lock (
Y
page 91) the vehicle using the
mechanical key.
X
Have the vehicle and SmartKey checked at a qualified specialist
workshop.
You have lost a Smart-
Key.
X
Have the SmartKey deactivated at a qualified specialist work-
shop.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the locks changed as well.
88
SmartKey
Opening
and
closing