Mercedes-Benz GLC 2017 Operator's Manual page 339

same time cannot be detected by the tire pres-
sure loss warning system.
The tire pressure monitor is not able to warn you
of a sudden loss of pressure, e.g. if the tire is
penetrated by a foreign object. In the event of a
sudden loss of pressure, bring the vehicle to a
halt by braking carefully. Avoid abrupt steering
movements.
The function of the tire pressure loss warning
system is limited or delayed if:
snow chains are mounted on your vehicle's
R
tires.
road conditions are wintry.
R
you are driving on sand or gravel.
R
you adopt a very sporty driving style (corner-
R
ing at high speeds or driving with high rates of
acceleration).
you are towing a very heavy or large trailer.
R
you are driving with a heavy load (in the vehi-
R
cle or on the roof).
Restarting the tire pressure loss warn-
ing system
Restart the tire pressure loss warning system if
you have:
changed the tire pressure
R
changed the wheels or tires
R
mounted new wheels or tires
R
Before restarting, make sure that the tire
X
pressures are set properly on all four tires for
the respective operating conditions.
The recommended tire pressure can be found
on the Tire and Loading Information placard
on the B-pillar. Additionally, a tire pressure
table is attached to the fuel filler flap. The tire
pressure loss warning system can only give
reliable warnings if you have set the correct
tire pressure. If an incorrect tire pressure is
set, these incorrect values will be monitored.
Also observe the notes in the section on tire
X
pressures ( page 333).
Y
Make sure that the SmartKey is in position 2
X
in the ignition lock (
Press ò on the steering wheel to call up
X
the menu list.
Press 9 or : on the steering wheel to
X
select the Service
Confirm by pressing a on the steering
X
wheel.
page 127).
Y
menu.
Press 9 or : to select
X
sure.
Press a to confirm.
X
The Run Flat Indicator Active Press
'OK' to Restart message is shown in the
multifunction display.
If you wish to confirm the restart:
Press the a button.
X
The Tire Pressure Now OK?
shown on the multifunction display.
Press 9 or : to select Yes.
X
Press a to confirm.
X
The Run Flat Indicator Restarted
sage is shown on the multifunction display.
After a teach-in period, the tire pressure loss
warning system will monitor the set tire pres-
sures of all four tires.
If you wish to cancel the restart:
Press the % button.
X
or
If the Tire Pressure Now OK?
X
appears, press 9 or : to select
cel.
Press a to confirm.
X
The tire pressure values stored at the last
restart will continue to be monitored.
Tire pressure monitor
General notes
If a tire pressure monitor is installed, the vehi-
cle's wheels have sensors that monitor the tire
pressures in all four tires. The tire pressure mon-
itor warns you if the pressure drops in one or
more of the tires. The tire pressure monitor only
functions if the corresponding sensors are
installed in all wheels.
Information on tire pressures is displayed in the
multifunction display. After a few minutes of
driving, the current tire pressure of each tire is
menu of the multifunction
shown in the Service
display; see illustration (example).
Tire pressure
Tire Pres‐
message is
mes-
message
Can‐
Z
337