Mercedes-Benz CLA Owner's Manual page 227

224 Driving and parking
Vehicles with 360° Camera
Problem
Rear 1 or all-round 2 segments light
up red. The é symbol appears in
the multifunction display.
Rear 1 or all-round 2 segments light
up red. At the same time, a warning
tone sounds for approximately 2 sec‐
onds every time the vehicle is started.
The é symbol appears in the multi‐
function display.
Possible causes/consequences and
Parking Assist PARKTRONIC is malfunctioning and has been deactivated due to signal interference.
Start the vehicle again.
#
Check if Parking Assist PARKTRONIC is working at a different location.
#
The sensors are dirty.
Clean the sensors and observe the notes on care of vehicle parts (
#
Parking Assist PARKTRONIC has been deactivated due to a malfunction.
Start the vehicle again.
#
M M Solutions
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page 458).