Operation Manual

Display messages
Possible causes/consequences and MM Solutions
Auxiliary BatteryAuxiliary Battery
MalfunctionMalfunction
The auxiliary battery for the automatic transmission is no longer
being charged.
X
Visit a qualified specialist workshop at the next opportunity.
X
Until then, set the selector lever to position P before you switch
off the engine.
X
Before leaving the vehicle, apply the electric parking brake.
Trans.Trans. OilOil Overhea‐Overhea‐
ted Drive on withted Drive on with
CareCare
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 Currently4matic Currently
UnavailableUnavailable
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 Inoperative4matic Inoperative
4MATIC is malfunctioning. The vehicle is only driven by the front
wheels.
X
Visit a qualified specialist workshop.
N
The trunk lid is open.
X
Close the trunk lid.
M
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 160).
X
Close the hood.
C
At least one door is open. A warning tone also sounds.
X
Close all the doors.
244
Display messages
On-board computer and displays