Mercedes-Benz C-Class Saloon 2022 Owner's Manual page 472

Key
Display messages
®
Replace key
®
Change key batteries
®
Key not detected (white dis-
play message)
Possible causes/consequences and
* Have the key replaced.
Consult a qualified specialist workshop.
#
* The key battery is discharged.
Replace the battery (
/
#
* The key is currently undetected.
Change the location of the key in the vehicle.
#
Try to start the vehicle.
#
If the key is still not detected, place it in the slot for starting with the key (
#
Start the vehicle.
#
Solutions
M
page 77).
Display messages and warning/indicator lamps 469
page 173).
/