Mercedes-benz 2013 E Class Coupe User Manual download pdf (Page 384)

vehicle to a halt by braking carefully. Avoid

abrupt steering maneuvers.

The tire pressure monitor has a yellow

warning lamp in the instrument cluster for

indicating a pressure loss or 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.

i

In addition to the warning lamp, a

message appears in the multifunction

display.

Further information can be found on

(Y page 280).

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.

Checking the tire pressure

electronically

X

Make sure that the SmartKey is in position

2 in the ignition lock (Y page 159).

X

Press the = or ; button on the

steering wheel to select the Service

menu.

X

Press the 9 or : button to select

Tire Pressure.

X

Press the a button.

The current tire pressure of each tire is

shown in the multifunction display.

If the vehicle has been parked for over

20 minutes, the Tire pressures will be

displayed after driving a few

minutes message appears.

After a teach-in process, the tire pressure

monitor automatically detects new wheels or

new sensors. As long as a clear allocation of

the tire pressure value to the individual

wheels is not possible, the Tire Pressure

Monitor Active display message is shown

instead of the tire pressure display. The tire

pressures are already being monitored.

i

If an emergency spare wheel is mounted,

the system may continue to show the tire

pressure of the wheel that has been

removed for a few minutes. If this occurs,

note that the value displayed for the

position where the spare wheel is mounted

is not the same as the current tire pressure

of the emergency spare wheel.

Tire pressure monitor warning

messages

If the tire pressure monitor detects a pressure

loss in one or more tires, a warning message

is shown in the multifunction display and the

yellow tire pressure monitor warning lamp

comes on.

R

If the Correct Tire Pressure message

appears in the multifunction display, the

tire pressure in at least one tire is too low

382

Tire pressure

Wheels and tires

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