Mercedes-Benz A-Class Operator's Manual page 461

Display messages Possible causes/consequences and
Â
* The SmartKey cannot be detected and may no longer be in the vehicle.
Key Not Detected (red dis‐
play message)
Â
* A warning tone also sounds. This message reminds you to take your SmartKey with you when you leave the vehicle.
Don't Forget Your Key
Â
* The SmartKey detection function is malfunctioning.
Place the Key in the
Marked Space See Opera-
tor's Manual
The SmartKey is no longer in the vehicle and you switch off the engine:
You can no longer start the engine.
R
You cannot centrally lock the vehicle.
R
Ensure that the SmartKey is in the vehicle.
#
If the SmartKey detection function has a malfunction due to a strong radio signal source:
Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions.
#
Place the SmartKey in the marked space for starting the engine with the SmartKey (
#
Change the location of the SmartKey in the vehicle.
#
Start the vehicle with the SmartKey in the slot (
#
Display messages and warning/indicator lamps 459
M M Solutions
page 126).
→
page 126).
→