Mercedes-Benz 2013 GLS Class - Manual (Page 289)

Display messages Possible causes/consequences and M Solutions
Tyre press. monitor
currently unavail‐
able
Due to a source of radio interference, no signals can be received
from the wheel sensors. The tyre pressure monitor is temporarily
malfunctioning.
X Drive on.
The tyre pressure monitor restarts automatically as soon as the
cause has been rectified.
Wheel sensor(s)
missing
There is no signal from the tyre pressure sensor of one or several
wheels. The pressure of the affected tyre is not displayed in the
multifunction display.
X Have the faulty tyre pressure sensor replaced at a qualified spe-
cialist workshop.
Tyre press. moni‐
tor inoperative No
wheel sensors
The wheels fitted do not have a suitable tyre pressure sensor. The
tyre pressure monitor is deactivated.
X Fit wheels with suitable tyre pressure sensors.
The tyre pressure monitor is activated automatically after driv-
ing for a few minutes.
Tyre press. monitor
inoperative The tyre pressure monitor is faulty.
X Visit a qualified specialist workshop.
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.
Apply brake to
deselect
Park (P) position
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.
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 180).
Display messages
287
On-board computer and displays
Z