Tyre pressure monitor, Check the tyre pressure, Wheels and tyres – Mercedes-Benz 2013 C Class Coupe User Manual

Page 355: Tyre pressure

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After a teach-in period, the tyre pressure
loss warning system will monitor the set
tyre pressures of all four tyres.

or
If you wish to cancel the restart:

X

Press the % button.

or

X

If the

Tyre pressure now OK?

message

appears, use the 9 or : button to
select

Cancel

.

X

Press the a button.
The tyre pressure values stored at the last
restart will continue to be monitored.

Tyre pressure monitor

General notes

If a tyre pressure monitor system is fitted, the
vehicle's wheels have sensors fitted that
monitor the tyre pressures in all four tyres.
The tyre pressure monitor warns you if the
pressure drops in one or more of the tyres.
The tyre pressure monitor only functions if
the corresponding sensors are fitted to all
wheels.
Information on tyre pressures is shown in the
multifunction display. After a few minutes of
driving, the current tyre pressure of each tyre
is shown in the

Service

menu of the multi-

function display.

Example: current tyre pressure display

For further information on displaying this
message, refer to the "Checking the tyre pres-
sure electronically" section (

Y

page 354).

Important safety notes

It is the driver's responsibility to set the tyre
pressure to the recommended cold tyre pres-
sure suitable for the operating situation
(

Y

page 350). Note that the correct tyre pres-

sure for the current operating situation must
first be taught-in to the tyre 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 tyre pressure monitor after
adjusting to the cold tyre pressure
(

Y

page 355). The current pressures are

saved as new reference values. This will
ensure that a warning message will only
appear if the tyre pressure drops significantly.
The tyre pressure monitor does not warn you
of an incorrectly set tyre pressure. Observe
the notes on the recommended tyre pressure
(

Y

page 350).

The tyre pressure monitor is not able to warn
you of a sudden loss of pressure, e.g. if the
tyre 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
sudden steering movements.
The tyre pressure monitor has a yellow warn-
ing lamp in the instrument cluster for indicat-
ing a pressure loss or malfunction. Depending
on how the warning lamp flashes or lights up,
a tyre pressure that is too low or a malfunc-
tion in the tyre pressure monitor is indicated:

R

if the warning lamp is lit continuously, the
tyre pressure on one or more tyres is sig-
nificantly too low. The tyre pressure moni-
tor is not malfunctioning.

R

if the warning lamp flashes for around a
minute and then remains lit constantly, the
tyre pressure monitor is malfunctioning.

i

In addition to the warning lamp, a mes-

sage appears in the multifunction display.

Tyre pressure

353

Wheels and tyres

Z

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