Mercedes-Benz S-Class 2019 Operator's Manual page 517

Display messages
Â
Obtain a New Key
Â
Key Not Detected (white
display message)
Â
Replace Key Battery
Possible causes/consequences and
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 (
#
* The SmartKey needs to be replaced.
Visit a qualified specialist workshop.
#
* The SmartKey is currently undetected.
Change the location of the SmartKey in the vehicle.
#
If the SmartKey is still not recognized, start the engine with the SmartKey in the marked space (
#
* The SmartKey battery is discharged.
Replace the battery (
→
#
M M Solutions
page 64).
Display messages and warning/indicator lamps 515
page 169).
→
page 169).
→