Page 306 of 418
305 Practical hints
What to do if …?
Display symbol
Display messages
Possible cause
Possible solution
2
BRAKE PAD WEAR
VISIT WORKSHOP!
The brake pads have reached their wear
limit.
Have the brake pads replaced as soon as
possible.
USA only:;Canada only:3
BRAKE FLUID
VISIT WORKSHOP!
There is insufficient brake fluid in the res-
ervoir.
Risk of accident! Stop the vehicle and no-
tify an authorized Mercedes-Benz Center.
Do not add brake fluid! This will not solve
the problem.
USA only:;Canada only:!
PARK. BRAKE
RELEASE BRAKE!
You are driving with the parking brake en-
gaged.
Release the parking brake (
page 47).
Warning!
G
Driving with this message displayed can re-
sult in an accident. Have your brake system
checked immediately. Don’t add brake fluid
before checking the brake system. Overfill-
ing the brake fluid reservoir can result in
spilling brake fluid on hot engine parts and
the brake fluid catching fire. You can be se-
riously burned.
!If you find that the brake fluid in the
brake fluid reservoir has fallen to the
minimum mark or below, have the
brake system checked for brake pad
thickness and leaks.
!Brake pad thickness must be visually
checked by a qualified technician at the
intervals specified in the Service Book-
let.
Page 315 of 418
314 Practical hintsWhat to do if …?Display symbol
Display messages
Possible cause
Possible solution
.
3RD BRAKE LIGHT
CHECK LAMP!
The high mounted brake lamp is malfunc-
tioning.
Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.
BRAKE LIGHT
VISIT WORKSHOP!
Brake lamp illumination is delayed or
lamp is permanently on.
Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.
BRAKE LIGHT, L
CHECK LAMP!
SUBSTITUTE LAMP ON!
The left brake lamp is malfunctioning. A
back-up bulb is being used.
Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.
BRAKE LIGHT, R
CHECK LAMP!
SUBSTITUTE LAMP ON!
The right brake lamp is malfunctioning. A
back-up bulb is being used.
Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.
DISPLAY MALFUNCTION
VISIT WORKSHOP!
The display for the lamps or the system is
malfunctioning.
Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.
FRONT FOGLAMP, L
CHECK LAMP!
The left front fog lamp is malfunctioning.
Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.
FRONT FOGLAMP, R
CHECK LAMP!
The right front fog lamp is malfunctioning.
Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.
FR. L. PARK. LAMP
CHECK LAMP!
SUBSTITUTE LAMP ON!
The left parking lamps are malfunction-
ing. A back-up bulb is being used.
Replace the bulb as soon as possible.
FR. R. PARK. LAMP
CHECK LAMP!
SUBSTITUTE LAMP ON!
The right parking lamps are malfunction-
ing. A back-up bulb is being used.
Replace the bulb as soon as possible.
Page 321 of 418
320 Practical hintsWhat to do if …?Tire pressure monitor messages
(vehicles produced up to approximately
October 2003)Display symbol
Display message
Possible cause
Possible solution
H
TIRE PRES.
DISPLAY AFTER DRIVING
A FEW MINS. REACTIVATE
USING R-BUTTON
The tire pressure is being checked.
TIRE PRES. MONITOR
NOT ACTIVE
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 ser-
vice station.
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 322 of 418
321 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
H
TIRE PRES. MONITOR
REACTIVATE!
The tire inflation pressure monitor* is de-
activated.
Activate the tire inflation pressure mon-
itor* (
page 274).
TIRE PRES. MONITOR
VISIT WORKSHOP!
The tire inflation pressure monitor* is
malfunctioning.
Have the tire inflation pressure moni-
tor* checked by an authorized
Mercedes-Benz Center.
Change the wheel (
page 343).
A wheel without proper sensor was in-
stalled.
Check and correct tire pressure as re-
quired (
page 271).
TIRE PRES.
CAUTION, TIRE DEFECT!
One or more tires are deflating.
Carefully bring the vehicle to a halt,
avoiding abrubt steering and braking
maneuvers.
Change the wheel (
page 343).
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 343).
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 323 of 418
322 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
H
TIRE PRES., RF
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 343).
TIRE PRES., RF
CHECK TIRES!
The right front tire pressure is low.
Carefully bring the vehicle to a halt.
Check the tire pressure.
Change the wheel (
page 343).
TIRE PRES., LF
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 343).
TIRE PRES., LF
CHECK TIRES!
The left front tire pressure is low.
Carefully bring the vehicle to a halt.
Check the tire pressure.
Change the wheel (
page 343).
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 324 of 418
323 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
H
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 343).
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 343).
TIRE PRES., LR
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 343).
TIRE PRES., LR
CHECK TIRES!
The left rear tire pressure is low.
Carefully bring the vehicle to a halt.
Check the tire pressure.
Change the wheel (
page 343).
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 325 of 418
324 Practical hintsWhat to do if …?Tire pressure monitor messages
(vehicles produced as of approximately
October 2003)Display symbol
Display message
Possible cause
Possible solution
H
TIRE PRES.
CAUTION, TIRE
DEFECT!
One or more tires are deflating.
Carefully bring the vehicle to a halt, avoid-
ing abrubt steering and braking maneu-
vers. Observe the traffic situation around
you.
Repair or change the wheel (
page 343).
TIRE PRES.
CHECK TIRES!
The pressure has fallen significantly in
one or more tires.
Carefully bring the vehicle to a halt, avoid-
ing abrubt steering and braking maneu-
vers. Observe the traffic situation around
you.
Repair or change the wheel (
page 343).
TIRE PRES.
PLEASE CORRECT!
The pressure is too low in one or more
tires.
Check and correct tire pressure as re-
quired (
page 275).
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 326 of 418
325 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
H
TIRE PRES., LF
CAUTION, TIRE
DEFECT!
The left front tire is deflating.
Bring the vehicle to a halt, avoiding
abrubt braking maneuvers. Observe the
traffic situation around you.
Repair or change the wheel (
page 343).
TIRE PRES., LF
CHECK TIRES!
The left front tire pressure is low.
Bring the vehicle to a halt. Observe the
traffic situation around you.
Check the tire.
Check and correct tire pressure as re-
quired.
TIRE PRES., RF
CAUTION, TIRE
DEFECT!
The right front tire is deflating.
Bring the vehicle to a halt, avoiding
abrubt braking maneuvers. Observe the
traffic situation around you.
Repair or change the wheel (
page 343).
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.
