Mercedes-Benz R-Class Owner's Manual page 231

Operation
Tyres and wheels
you adopt a very sporty driving style (cor-
R
nering 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
R
vehicle or on the roof)
Restarting the tyre pressure loss warn-
ing system
Restart the tyre pressure loss warning system
if you have:
changed the tyre pressure
R
changed the wheels or tyres
R
fitted new wheels or tyres
R
Before restarting, consult the table of tyre
X
pressures on the inside of the fuel filler flap
to ensure that the tyre pressure in all four
tyres is set correctly for the operating con-
ditions concerned.
Also observe the notes in the section on
X
tyre pressures ( page 226).
Y
G Risk of accident
The tyre pressure loss warning system can
only give reliable warnings if you have set
the correct tyre pressure.
228
If an incorrect tyre pressure is set, these
incorrect values will be monitored.
A tyre with insufficient pressure results in
vehicle instability when driving, thus
increasing the risk of an accident.
Make sure that the key is in position
X
2 ( page 76) in the ignition lock.
Y
The standard display appears in the multi-
function display ( page 122).
Y
Press k or j to select the tyre pres-
X
sure function:
Run Flat Indicator active
Menu: R-Buttonæ
Press the reset button on the left of the
X
instrument cluster.
The following message appears in the
multi-function display:
Restart Run Flat Indicator?
Yes Cancel
If you wish to confirm the restart:
Press the æ button.
X
The following message appears in the
multi-function display:
Run Flat Indicator restarted
After a teach-in period, the tyre pressure
loss warning system will monitor the set
tyre pressures of all four tyres.
If you wish to cancel the restart:
Press the ç button.
X
or
Wait until the message
X
Restart Run Flat Indicator?
Yes Cancel disappears.
The tyre pressure values stored at the last
restart will continue to be monitored.
Checking the tyre pressure electroni-
cally*
The tyre pressure monitor only functions if
the correct wheel electronics are fitted to all
wheels. These monitor the pressure in all four
tyres, which you have set when restarting the
tyre pressure monitor. The monitor warns you
when the pressure drops in one or more of
the tyres.
G Risk of accident
The tyre pressure monitor does not warn
you of an incorrectly set tyre pressure. The
table on the inside of the fuel filler flap will
help you decide whether the tyre pressures
should be corrected.
The tyre pressure monitor is not able to
warn you of a sudden loss of pressure, e.g.
* optional