Mercedes-Benz C-Class Operator's Manual page 328

Tire pressure
326
you are driving on sand or gravel.
R
you adopt a very sporty driving style
R
(cornering at high speeds or driving with
high rates of acceleration).
you are driving with a heavy load (in the
R
vehicle or on the roof).
Restarting the tire pressure loss
warning 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, consult the Tire and
X
Loading Information placard on the
B-pillar on the driver's side or the tire
pressure table on the inside of the fuel filler
flap to ensure the tire pressure in all four
tires is set correctly for the current
operating conditions.
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.
Observe the notes in the section on tire
X
pressures ( page 322).
Y
Make sure that the SmartKey is in
X
position 2 ( page 141) in the ignition lock.
Y
Press the = or ; button to select the
X
Service Service menu.
Press the 9 or : button to select
X
Tire Pressure Tire Pressure.
Press the a button.
X
The Run Flat Indicator Active Run Flat Indicator Active
Press 'OK' to Restart Press 'OK' to Restart
appears in the multifunction display.
If you wish to confirm the restart:
Press the a button.
X
The
appears in the multifunction display.
Press the 9 or : button to select
X
Yes. Yes
Press the a button.
X
The
message appears in the multifunction
display.
After a teach-in period, the tire pressure
loss warning system will monitor the set
tire pressures of all four tires.
If you wish to cancel the restart:
Press the % button.
X
or
If the
X
appears, use the 9 or : button to
select
Press the a button.
X
The tire pressure values stored at the last
restart will continue to be monitored.
Tire pressure monitor
Important safety notes
It is the driver's responsibility to set the tire
pressure to that recommended for cold tires
which is suitable for the operating situation
( page 322). Note that the correct tire
Y
pressure for the current operating situation
must first be taught-in to the tire pressure
monitor. If there is a substantial loss of
pressure, the warning threshold for the
warning message is aligned to the reference
values taught-in. Restart the tire pressure
message
monitor after adjusting the pressure of the
cold tires (
pressures are saved as new reference values.
As a result, a warning message will appear if
the tire pressure drops significantly.
The tire pressure monitor does not warn you
of an incorrectly set tire pressure. Observe
I n f o r ma t i o n P r o v i d e d b y :
Tire Pressure Now OK? Tire Pressure Now OK?
Run Flat Indicator Restarted Run Flat Indicator Restarted
Tire Pressure Now OK? Tire Pressure Now OK?
Cancel. Cancel
page 329). The current
Y
message
message