Page 339 of 442
339 Practical hints
What to do if …
Display symbol
Display messages
Possible cause
Possible solution
.
Marker light
,
front left
The front left side marker lamp is mal-
functioning.
Replace the bulb as soon as possible.
Marker light
front right
The front right side marker lamp is mal-
functioning.
Replace the bulb as soon as possible.
Park. light, front left
Back-up light on!
The left parking lamps are malfunction-
ing. A backup bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Park. light,
front right
Back-up light on!
The right parking lamps are malfunction-
ing. A backup bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Rear foglight
Back-up light on!
The rear fog lamp is malfunctioning. A
backup bulb is being used.
Replace the bulb as soon as possible.
Reverse light, left
The left reverse light is malfunctioning.
Replace the bulb as soon as possible.
Reverse light, right
The right backup lamp is malfunctioning.
Replace the bulb as soon as possible.
Switch off lights!
Lamps have been turned on although the
SmartKey in the starter switch is in posi-
tion 0.
Switch off the headlights.
Tail light, left
Back-up light on!
The left tail lamp is malfunctioning. A
backup bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Tail light, right
Back-up light on!
The right tail lamp is malfunctioning. A
backup bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
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340 Practical hintsWhat to do if …Display symbol
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Possible cause
Possible solution
.
Turn signal, rear left
Back-up light on!
The left rear turn signal lamp is malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as possible.
Turn signal, rear right
Back-up light on!
The right rear turn signal lamp is malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as possible.
Turn sig., front left
Back-up light on!
The left front turn signal lamp is malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as possible.
Turn sig., front right
Back-up light on!
The right front turn signal lamp is mal-
functioning. A backup bulb is being used.
Replace the bulb as soon as possible.
Turn sig.,
left
mirror
The left turn signal in the side mirror is
malfunctioning. This message will only
appear if all light emitting diodes have
stopped working.
Have the LEDs replaced as soon as
possible.
Turn sig.,
right
mirror
The right turn signal in the side mirror is
malfunctioning. This message will only
appear if all light emitting diodes have
stopped working.
Have the LEDs replaced as soon as
possible.
H
Tire pres. monitor
activated
!
The tire pressure is being checked.
Tire pres. monitor
Reactivate
The tire inflation pressure monitor* is de-
activated.
Activate the tire inflation pressure
monitor* (
page 292).
Page 341 of 442
341 Practical hints
What to do if …
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Possible cause
Possible solution
H
Tire pres. monitor
not activated!
The tire inflation pressure monitor* is un-
able to monitor the tire pressure due to
the presence of several wheel sensors
in the vehicle.
excessive wheel sensor tempera-
tures.
a nearby radio interference source.
unrecognized wheel sensors mount-
ed.
Check the tire pressure at the next
service station.
Tire pres. monitor
Pres. display after
driving a few mins. Re-
activate using R button
The tire pressure is being checked.
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.
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342 Practical hintsWhat to do if …Display symbol
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Possible cause
Possible solution
H
Tire pres. monitor
Visit workshop!
The tire inflation pressure monitor is mal-
functioning.
A wheel without proper sensor was in-
stalled.
Have the tire inflation pressure moni-
tor checked by an authorized
Mercedes-Benz Center.
Change the wheel (
page 370).
Tire pres.
Caution, tire defect!
The tire pressure has decreased signifi-
cantly in one or more tires.
Check and correct tire pressure as re-
quired (
page 290).
Tire pres.
Caution, tire defect
One or more tires is deflating.
Carefully bring the vehicle to a halt,
avoiding abrubt steering and braking
maneuvers.
Change the wheel (
page 370).
Tire pres.
Check tires!
The tire pressure in one or more tires is
already below the minimum value.
The tire pressure in one or more tires is
low.
Carefully bring the vehicle to a halt,
avoiding abrubt steering and braking
maneuvers.
Change the wheel (
page 370).
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.
Page 343 of 442
343 Practical hints
What to do if …
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Possible cause
Possible solution
H
Tire pres. RL
Caution
Tire defect
The left rear tire is deflating.
Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking
maneuvers.
Change the wheel (
page 370).
Tire pres. RL
Check tires!
The left rear tire pressure is low.
Carefully bring the vehicle to a halt.
Check the tire pressure.
Change the wheel (
page 370).
Tire pres. RR
Caution
Tire defect
The right rear tire is deflating.
Carefully bring the vehicle to a halt,
avoiding abrubt steering and braking
maneuvers.
Change the wheel (
page 370).
Tire pres. RR
Check tires!
The right rear tire pressure is low.
Carefully bring the vehicle to a halt.
Check the tire pressure.
Change the wheel (
page 370).
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.
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344 Practical hintsWhat to do if …Display symbol
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Possible cause
Possible solution
H
Tire pres. FL
Caution
Tire defect
The left front tire is deflating.
Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking
maneuvers.
Change the wheel (
page 370).
Tire pres. FL
Check tires!
The right rear tire pressure is low.
Carefully bring the vehicle to a halt.
Check the tire pressure.
Change the wheel (
page 370).
Tire pres. FR
Caution
Tire defect
The right front tire is deflating.
Carefully bring the vehicle to a halt,
avoiding abrubt steering and braking
maneuvers.
Change the wheel (
page 370).
Tire pres. FR
Check tires!
The right front tire pressure is low.
Carefully bring the vehicle to a halt.
Change the wheel (
page 370).
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.
Page 345 of 442
345 Practical hints
What to do if …
Display symbol
Display messages
Possible cause
Possible solution
<
Driver’s seat belt
Fasten seatbelt!
The display reminds you and your passen-
gers to fasten seat belts.
Fasten the seat belts.
Fr pass. seat belt
Fasten seatbelt!
The display reminds you and your passen-
gers to fasten seat belts.
Fasten the seat belts.
Seat belt system
Visit workshop!
The seat belt system is malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
9
Service memory full
See Operator’s Manual
The FSS Plus service memory cannot
save any more data.
Have the service memory checked by
an authorized Mercedes-Benz Center.
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346 Practical hintsWhat to do if …Display symbol
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Possible cause
Possible solution
L
Tele Aid defective
Visit workshop!
One or more main functions of the Tele
Aid system are malfunctioning.
Have the Tele Aid system checked by
an authorized Mercedes-Benz Center.
Tele Aid battery
Visit workshop!
The emergency power battery for the Tele
Aid system is malfunctioning. If the vehi-
cle battery is also dead, Tele Aid will not
be operational.
Have the Tele Aid system checked by
an authorized Mercedes-Benz Center.
1
Restraint system
malfunction
Visit workshop!
The system is malfunctioning.
Drive with added caution to the near-
est authorized Mercedes-Benz Cen-
ter.
t
Function
Not available!
This display appears if button t or
s on the multifunction steering wheel
is pressed and the vehicle is not equipped
with a telephone.
Warning!
G
In the event a malfunction of the SRS is indi-
cated as outlined above, the SRS may not be
operational.
For your safety, we strongly recommend
that you visit an authorized Mercedes-Benz
Center immediately to have the system
checked; otherwise the SRS may not be ac-
tivated when needed in an accident, which
could result in serious or fatal injury, or it
might deploy unexpectedly and unnecessar-
ily which could also result in injury.
