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Wheels and tires, Tire pressure – Mercedes-Benz SLK-Class 2013 Owners Manual User Manual

Page 319

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vehicle is started as long as the malfunction

exists.
When the malfunction indicator is illuminated,

the system may not be able to detect or signal

low tire pressure as intended. TPMS

malfunctions may occur for a variety of

reasons, including the installation of

incompatible replacement or alternate tires

or wheels on the vehicle that prevent the

TPMS from functioning properly. Always

check the TPMS malfunction telltale after

replacing one or more tires or wheels on your

vehicle to ensure that the replacement or

alternate tires and wheels allow the TPMS to

continue to function properly.

It is the driver's responsibility to set the tire

pressure to that recommended for cold tires

which is suitable for the operating situation

(

Y

page 311). Note that the correct tire

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

monitor after adjusting the pressure of the

cold tires (

Y

page 318). The current

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

the notes on the recommended tire pressure

(

Y

page 311).

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 maneuvers.
If a tire pressure monitor system is installed,

the vehicle's wheels have sensors installed

that monitor the tire pressures in all four tires.

The tire pressure monitor warns you if the

pressure drops in one or more of the tires. The

tire pressure monitor only functions if the

correct wheel electronics units are installed

on each wheel.
The tire pressure monitor has a yellow

warning lamp in the instrument cluster for

indicating pressure loss or a malfunction.

Whether the warning lamp flashes or lights up

indicates whether a tire pressure is too low or

the tire pressure monitor is malfunctioning:

R

if the warning lamp is lit continuously, the

tire pressure on one or more tires is

significantly too low. The tire pressure

monitor is not malfunctioning.

R

if the warning lamp flashes for around a

minute and then remains lit constantly, the

tire pressure monitor is malfunctioning.

Information on tire pressures is displayed in

the multifunction display. After a few minutes

of driving, the current tire pressure of each

tire is shown in the multifunction display.
If the tire pressure monitor is malfunctioning,

it may take more than ten minutes for the tire

pressure warning lamp to inform you of the

malfunction by flashing for approximately one

minute and then remaining lit. When the

malfunction has been rectified, the tire

pressure warning lamp goes out after a few

minutes of driving.
The tire pressure values indicated by the on-

board computer may differ from those

measured at a gas station with a pressure

gauge. The tire pressures shown by the on-

board computer refer to those measured at

sea level. At high altitudes, the tire pressure

values indicated by a pressure gauge are

higher than those shown by the on-board

computer. In this case, do not reduce the tire

pressures.
The operation of the tire pressure monitor can

be affected by interference from radio

transmitting equipment (e.g. radio

headphones, two-way radios) that may be

being operated in or near the vehicle.

i

This device complies with part 15 of the

FCC Rules. Operation is subject to the

following two conditions:

Tire pressure

317

Wheels

and

tires

Z