On-board computer and displays, Display messages – Mercedes-Benz 2012 A Class User Manual
Page 256

Display messages
Possible causes/consequences and M Solutions
Trans. oil overhea‐
ted Drive on with
care
AMG vehicles: the transmission oil has overheated.
Manual drive program
M and the temporarily active manual drive
program are no longer available. The engine power output is
reduced.
X
Allow the vehicle to cool down.
4matic currently
unavailable
4MATIC (permanent all-wheel drive) has overheated. The vehicle
is only driven by the front wheels.
X
Drive on.
The airflow cools 4MATIC more quickly.
When the display message goes out, 4MATIC is available again
and the vehicle is driven by all four wheels.
4matic inoperative
4MATIC is malfunctioning. The vehicle is only driven by the front
wheels.
X
Visit a qualified specialist workshop.
A
The tailgate is open.
G
WARNING
When the engine is running, exhaust gases can enter the vehicle
interior if the tailgate is open.
There is a risk of poisoning.
X
Close the tailgate.
?
The bonnet is open.
A warning tone also sounds.
G
WARNING
The open bonnet may then block your view when the vehicle is in
motion.
There is a risk of an accident.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Apply the electric parking brake.
X
Close the bonnet.
Active bonnet mal‐
function See Own‐
er's Manual
The active bonnet (pedestrian protection) is not active due to a
malfunction or because it has already been triggered.
X
Visit a qualified specialist workshop.
C
At least one door is open. A warning tone also sounds.
X
Close all doors.
254
Display messages
On-board computer and displays