Vehicle, On-board computer and displays, Display messages – Mercedes-Benz 2013 M Class User Manual
Page 314

Display messages
Possible causes/consequences and M Solutions
Tire Press.
Monitor Currently
Unavailable
Due to a source of radio interference, no signals can be received
from the wheel sensors. The tire pressure monitor is temporarily
malfunctioning.
X
Drive on.
The tire pressure monitor restarts automatically as soon as the
problem has been solved.
TirePress.
Sensor(s) Missing
There is no signal from the tire pressure sensor of one or several
wheels. The pressure of the affected tire is not displayed in the
multifunction display.
X
Have the faulty tire pressure sensor replaced at a qualified
specialist workshop.
Tire Pressure
Monitor
Inoperative No
Wheel Sensors
The wheels mounted do not have a suitable tire pressure sensor.
The tire pressure monitor is deactivated.
X
Mount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically after driving
for a few minutes.
Tire Press.
Monitor
Inoperative
The tire pressure monitor is faulty.
X
Visit a qualified specialist workshop.
Vehicle
Display messages
Possible causes/consequences and M Solutions
Shift to 'P' or
'N' to Start Engine
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.
X
Secure the vehicle against rolling away (
Apply Brake to
Shift from 'P'
You have attempted to move the transmission selector lever to
position
D, R or N without depressing the brake pedal.
X
Depress the brake pedal.
312
Display messages
On-board computer and displays