Display messages
Possible causes/consequences and M Solutions
Auxiliary Battery
Malfunction
The auxiliary battery for the automatic transmission is no longer
being charged.
X
Visit a qualified specialist workshop.
X
Until then, set the transmission to position P before you switch
off the engine.
X
Before leaving the vehicle, apply the electric parking brake.
Trans. Oil Overhea‐
ted Drive on with
Care
Mercedes-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 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 hood is open.
A warning tone also sounds.
G
WARNING
The open hood may 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
Secure the vehicle against rolling away (Y page 171).
X
Close the hood.
Display messages
263
On-board computer and displays
Z
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