Mercedes-Benz 2012 A Class - Manual (Page 254)

Vehicle
Display messages Possible causes/consequences and M Solutions
To start engine,
shift to either P
or N
You have attempted to start the engine with the transmission in
position
R or D.
X Shift the transmission to position P or N.
Auxiliary battery
malfunction 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 automatic transmission to position P before
you switch off the engine.
X Before leaving the vehicle, apply the electric parking brake.
Depress brake to
start engine
You have attempted to start the engine with the transmission in
position
N without depressing the brake pedal.
X Depress the brake pedal.
To shift out of P
or N
depress brake and
start engine
You have attempted to shift the transmission to position R or D
without starting the engine.
X Start the engine.
X Depress the brake pedal.
i It is only possible to shift the transmission from position P to
the desired position if you depress the brake pedal. Only then
can the parking lock be deactivated. If you do not depress the
brake pedal, the DIRECT SELECT lever can still be moved but
the parking lock remains engaged.
i At transmission fluid temperatures below Ò20 † you can only
shift out of position P into another transmission position when
the engine is running.
Apply brake to
deselect Park (P)
position
You have attempted to move the transmission selector lever to
position
R, N or D without depressing the brake pedal.
X Depress the brake pedal.
Risk of vehicle
rolling
Transmission not
in P
The driver's door is open and the transmission is in position R, N
or D.
A warning tone also sounds.
X Shift the transmission to position P.
X Secure the vehicle against rolling away ( Y page 162).
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Display messages
On-board computer and displays