Mercedes-Benz CLA-Class 2014 Owners Manual - Manual (Page 82)

Problems with the SmartKey
Problem Possible causes/consequences and M M Solutions
You cannot lock or
unlock the vehicle
using the SmartKey.
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 and replace it if necessary
(
Y
page 78).
X
Unlock (
Y
page 83) or lock (
Y
page 83) the vehicle using the
mechanical key.
There is interference from a powerful source of radio waves.
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 % /
& button.
The SmartKey is faulty.
X
Unlock (
Y
page 83) or lock (
Y
page 83) the vehicle using the
mechanical key.
X Have the 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.
You have lost the
mechanical key.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well.
80
SmartKey
Opening
and
closing