Mercedes-Benz GLA 180 Owner's Manual page 88

Problem
The engine cannot be
started using the key.
The engine cannot be
started using the Start/
Stop button. The key is in
the vehicle.
You have lost a key.
You have lost the emer-
gency key element.
Possible causes/consequences and M M Solutions
There is a fault with KEYLESS-GO.
Lock or unlock the vehicle using the remote control function of the
X
key.
Have the vehicle and key checked at a qualified specialist work-
X
shop.
If the vehicle cannot be locked or unlocked even using the remote
control function:
Unlock ( page 88) or lock (
X
Y
emergency key element.
Have the vehicle and key checked at a qualified specialist work-
X
shop.
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
or
Jump-start the vehicle (
X
or
Consult a qualified specialist workshop.
X
The vehicle is locked.
Unlock the vehicle and try to start the vehicle again.
X
The key battery is weak or discharged.
Check the key battery (
X
( page 82).
Y
If this does not work:
Start your vehicle with the key in the ignition lock.
X
There is interference from a powerful source of radio waves.
Start your vehicle with the key in the ignition lock.
X
Have the key deactivated at a qualified specialist workshop.
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.
X
page 88) the vehicle using the
Y
page 325).
Y
page 82) and replace if necessary
Y
Key
85
page 324).
Y
Z