Page 347 of 425

346 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
HTire pressure
Caution
Tire defectOne or more tires is deflating.Carefully bring the vehicle to a halt, avoiding abrupt
steering and braking maneuvers. Observe the traffic
situation around you.
Temporarily repair tire using TIREFIT (page 362) or
contact Roadside Assistance. If tire cannot be tempo-
rarily repaired using TIREFIT, contact Roadside
Assistance.
Have the damaged wheel repaired or replaced at an
authorized Mercedes-Benz Center.
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.
Continued driving with a flat tire will cause
excessive heat build-up and possibly a fire.
Warning!G
Have worn or damaged tires replaced in
pairs (front pair or rear pair) an make sure
the tires rotate in the direction specified
(
page 261). Otherwise, the driving
stability of the vehicle will be adversely
affected, especially when driving at high
speeds.
Page 348 of 425

347 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
HTire pressure
Check tiresThe tire inflation
pressure in one or
more tires is already
below the minimum
value.
The tire inflation
pressure in one or
more tires is low.Carefully bring the vehicle to a halt, avoiding abrupt steering and
braking maneuvers. Observe the traffic situation around you.
Check the tires. If no damage visible, check and correct tire
inflation pressure as required.
Temporarily repair tire using TIREFIT (page 362) or contact
Roadside Assistance. If tire cannot be temporarily repaired using
TIREFIT, contact Roadside Assistance.
Have the damaged wheel repaired or replaced at an authorized
Mercedes-Benz Center.
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.
Continued driving with a flat tire will cause
excessive heat build-up and possibly a fire.
Warning!G
Have worn or damaged tires replaced in
pairs (front pair or rear pair) an make sure
the tires rotate in the direction specified
(
page 261). Otherwise, the driving
stability of the vehicle will be adversely
affected, especially when driving at high
speeds.
Page 349 of 425

348 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
HTire pressure, FL
Caution
Tire defectThe left front tire is
deflating.Carefully bring the vehicle to a halt, avoiding abrupt steering and
braking maneuvers. Observe the traffic situation around you.
Temporarily repair tire using TIREFIT (page 362) or contact
Roadside Assistance. If tire cannot be temporarily repaired using
TIREFIT, contact Roadside Assistance.
Have the damaged wheel repaired or replaced at an authorized
Mercedes-Benz Center.
Tire pressure, FL
Check tireThe left front tire
inflation pressure is
low.Carefully bring the vehicle to a halt.
Check the tires. If no damage visible, check and correct tire
inflation pressure as required.
If necessary, have the wheel repaired or replaced at an authorized
Mercedes-Benz Center.
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.
Continued driving with a flat tire will cause
excessive heat build-up and possibly a fire.
Warning!G
Have worn or damaged tires replaced in
pairs (front pair or rear pair) an make sure
the tires rotate in the direction specified
(
page 261).
Otherwise, the driving stability of the vehicle
will be adversely affected, especially when
driving at high speeds.
Page 350 of 425

349 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
HTire pressure, FR
Caution
Tire defectThe right front tire is
deflating.Carefully bring the vehicle to a halt, avoiding abrupt steering and
braking maneuvers. Observe the traffic situation around you.
Temporarily repair tire using TIREFIT (page 362) or contact
Roadside Assistance. If tire cannot be temporarily repaired using
TIREFIT, contact Roadside Assistance.
Have the damaged wheel repaired or replaced at an authorized
Mercedes-Benz Center.
Tire pressure, FR
Check tireThe right front tire
inflation pressure is
low.Carefully bring the vehicle to a halt.
Check the tires. If no damage visible, check and correct tire
inflation pressure as required.
If necessary, have the wheel repaired or replaced at an authorized
Mercedes-Benz Center.
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.
Continued driving with a flat tire will cause
excessive heat build-up and possibly a fire.
Warning!G
Have worn or damaged tires replaced in
pairs (front pair or rear pair) an make sure
the tires rotate in the direction specified
(
page 261).
Otherwise, the driving stability of the vehicle
will be adversely affected, especially when
driving at high speeds.
Page 351 of 425

350 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
HTire pressure, RL
Caution
Tire defectThe left rear tire is
deflating.Carefully bring the vehicle to a halt, avoiding abrupt steering and
braking maneuvers. Observe the traffic situation around you.
Temporarily repair tire using TIREFIT (page 362) or contact
Roadside Assistance. If tire cannot be temporarily repaired using
TIREFIT, contact Roadside Assistance.
Have the damaged wheel repaired or replaced at an authorized
Mercedes-Benz Center.
Tire pressure, RL
Check tireThe left rear tire
inflation pressure is
low.Carefully bring the vehicle to a halt.
Check the tires. If no damage visible, check and correct tire
inflation pressure as required.
If necessary, have the wheel repaired or replaced at an authorized
Mercedes-Benz Center.
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.
Continued driving with a flat tire will cause
excessive heat build-up and possibly a fire.
Warning!G
Have worn or damaged tires replaced in
pairs (front pair or rear pair) an make sure
the tires rotate in the direction specified
(
page 261).
Otherwise, the driving stability of the vehicle
will be adversely affected, especially when
driving at high speeds.
Page 352 of 425

351 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
HTire pressure, RR
Caution
Tire defectThe right rear tire is
deflating.Carefully bring the vehicle to a halt, avoiding abrupt steering and
braking maneuvers. Observe the traffic situation around you.
Temporarily repair tire using TIREFIT (page 362) or contact
Roadside Assistance. If tire cannot be temporarily repaired using
TIREFIT, contact Roadside Assistance.
Have the damaged wheel repaired or replaced at an authorized
Mercedes-Benz Center.
Tire pressure, RR
Check tireThe right rear tire
inflation pressure is
low.Carefully bring the vehicle to a halt.
Check the tires. If no damage visible, check and correct tire
inflation pressure as required.
If necessary, have the wheel repaired or replaced at an authorized
Mercedes-Benz Center.
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.
Continued driving with a flat tire will cause
excessive heat build-up and possibly a fire.
Warning!G
Have worn or damaged tires replaced in
pairs (front pair or rear pair) an make sure
the tires rotate in the direction specified
(
page 261).
Otherwise, the driving stability of the vehicle
will be adversely affected, especially when
driving at high speeds.
Page 353 of 425
352 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
Fasten seat beltYou have forgotten to fasten
your seat belt.Fasten your seat belt.
Passenger
seat belt
Fasten seat beltYour passenger has forgotten
to fasten seat belt.Fasten your seat belt.
OYou are driving with the hood
open.Stop your vehicle as soon as it is safe to do so.
Close the hood (page 250).
There is otherwise danger of an accident.
Check doors2You are attempting to drive
with one or more doors open.Close the doors.
ÊThis message will appear
whenever the trunk lid is open.Close the trunk lid (page 103).
LTele Aid
Drive to
workshopOne or more main functions of
the Tele Aid system are
malfunctioning.Have the Tele Aid system checked by an authorized
Mercedes-Benz Center immediately.
WWasher fluid,
please refillThe washer fluid level has
dropped to about 1/3 of total
reservoir capacity.
Add washer fluid (page 257).
Page 360 of 425

359 Practical hints
Replacing bulbs
Replacing bulbs
Safe vehicle operation depends on proper
exterior lighting and signaling. It is there-
fore essential that all bulbs and lamp
assemblies are in good working order at all
times.
Correct headlamp adjustment is extremely
important. Have headlamps checked and
readjusted at regular intervals and when a
bulb has been replaced. See an authorized
Mercedes-Benz Center for headlamp
adjustment.!Do not replace the LEDs or bulbs yourself.
You could otherwise damage the vehicle lighting
system or parts of the vehicle. Only have the
LEDs or bulbs replaced by an authorized
Mercedes-Benz Center.
iIf the headlamps are fogged up on the inside
as a result of high humidity, driving the vehicle a
distance should clear up the fogging.
iSubstitute bulbs will be brought into use
when lamps malfunction. Observe the messages
in the multifunction display (
page 341).
iIf one of the following bulbs blows, another
bulb will adopt its function:
Rear turn signals
Brake lamps
Side lamps
Tail lamps