Mercedes-Benz GLA Series Operator's Manual page 329

Display messages
Possible causes/consequences and
Apply Parking Brake Risk * The transmission position cannot be reliably identified.
of Rolling Away See Opera-
tor's Manual
Teaching in Transmission * The transmission's teach-in process is complete. All transmission positions can be selected again.
Complete
Transmission Malfunction * The transmission is malfunctioning.
Service Required
Use the electric parking brake to secure the vehicle against rolling away.
#
Consult a qualified specialist workshop.
Display messages and warning/indicator lamps 327
Solutions
M