Page 243 of 356

243 Operation
Vehicle care
Wiper blades
Clean the wiper blade inserts with a clean
cloth and detergent solution.
Window cleaning
Use a window cleaning solution on all glass
surfaces. An automotive glass cleaner is
recommended.Light alloy wheels
Mercedes-Benz approved Wheel Care
should be used for regular cleaning of the
light alloy wheels.
If possible, clean wheels once a week with
Mercedes-Benz approved Wheel Care, us-
ing a soft bristle brush and a strong spray
of water.
Follow instructions on container.Instrument cluster
Use a gentle dishwashing detergent or
mild detergent for delicate fabrics as a
washing solution. Wipe with a cloth moist-
ened in lukewarm solution. Do not use
scouring agents.
Steering wheel and gear selector lever
Wipe with a damp cloth and dry thoroughly
or clean with Mercedes-Benz approved
Leather Care.
Cup holder
Use a gentle dishwashing detergent or
mild detergent for delicate fabrics as a
washing solution. Wipe with a cloth moist-
ened in lukewarm solution. Do not use
scouring agents.
iFor safety reasons, switch off wipers
and remove key from starter switch be-
fore cleaning the wiper blades, other-
wise the wiper motor can suddenly turn
on and cause injury.iFor safety reasons, switch off wipers
and remove key from starter switch be-
fore cleaning the windshield, otherwise
the wiper motor can suddenly turn on
and cause injury.
iUse only acid-free cleaning materials.
Acid could lead to corrosion.
Page 244 of 356

244 OperationVehicle careHard plastic trim items
Pour Mercedes-Benz approved Interior
Care onto soft lint-free cloth and apply
with light pressure.
Headliner
Clean with soft bristle brush, or use a
dry-shampoo cleaner in case of excessive
dirt.
Seat belts
The webbing must not be treated with
chemical cleaning agents. Use only clear,
lukewarm water and soap. Do not dry the
webbing at temperatures above 176°F
(80°C) or in direct sunlight.Leather upholstery
Using aftermarket seat covers or wearing
clothing that have the tendency to give off
coloring (e.g. when wet etc.) may cause
the upholstery to become permanently dis-
colored. By lining the seats with a proper
intermediate cover, contact-discoloration
will be prevented.
Wipe leather upholstery with a damp cloth
and dry thoroughly or clean with
Mercedes-Benz approved Leather Care.
Exercise particular care when cleaning per-
forated leather as its underside should not
become wet.
MB Tex upholstery
Pour Mercedes-Benz approved Interior
Care onto soft lintfree cloth and apply with
light pressure.
Plastic and rubber parts
Do not use oil or wax on these parts.Warning!
G
Do not bleach or dye seat belts as this may
severely weaken them. In a crash they may
not be able to provide adequate protection.
Page 246 of 356

246 Practical hintsWhat to do if …
What to do if …Lamps in instrument clusterGeneral information:
If a bulb in the instrument cluster fails to
light up during the bulb self-check when turning the SmartKey in the starter switch
to position2, have it checked and replaced
if necessary.Problem
Possible cause
Suggested solution
v
The yellow ESP warning lamp
lights up while driving.
The ESP is deactivated. Risk of accident!
Adapt your speed and driving to the prevail-
ing road conditions.
Turn the ESP back on (
page 75).
If the ESP cannot be turned back on, have
the system checked at an authorized
Mercedes-Benz Center as soon as possi-
ble.
v
The yellow ESP warning lamp
flashes while driving.
The ESP or traction control has come into op-
eration because of detected traction loss in
at least one tire.
When driving off apply as little throttle
as possible.
While driving ease up on the accelera-
tor.
Adapt your speed and driving to the
prevailing road and weather condi-
tions.
Do not deactivate the ESP. Excep-
tions: (
page 76).
Failure to follow these instructions in-
creases the risk of accidents.
Page 248 of 356
248 Practical hintsWhat to do if …Problem
Possible cause
Suggested solution
1
The red SRS indicator lamp lights
up while driving.
There is a malfunction in the restraint sys-
tems. The airbags or emergency tensioning
device (ETDs) could deploy unexpectedly or
fail to activate in an accident.
Drive with added caution to the near-
est authorized Mercedes-Benz Cen-
ter.
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 activated when needed in an acci-
dent, which could result in serious or fatal
injury, or it might deploy unexpectedly and
unnecessarily which could result in an acci-
dent and/or injury to you or to others.
Page 249 of 356

249 Practical hints
What to do if …
Problem
Possible cause
Suggested solution
3
(Canada only)
;
(USA only)The red brake warning lamp
lights up while driving and you
hear a warning sound.
You are driving with the parking brake set.
Release the parking brake
(page 46).
The red brake warning lamp
lights up while driving.
There is insufficient brake fluid in the reser-
voir.
Risk of accident! Carefully stop the
vehicle and notify an authorized
Mercedes-Benz Center. Do not add
brake fluid! This will not solve the
problem.
Warning!
G
Driving with the brake warning lamp illumi-
nated can result in an accident. Have your
brake system checked immediately if the
brake warning lamp stays on. Don’t add
brake fluid before checking the brake sys-
tem. Overfilling the brake fluid reservoir can
result in spilling brake fluid on hot engine
parts and the brake fluid catching fire. You
can be seriously 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.
Page 250 of 356

250 Practical hintsWhat to do if …Problem
Possible cause
Suggested solution
?
The yellow “CHECK ENGINE”
malfunction indicator lamp
comes on while driving.
There is a malfunction in:
The fuel management system
The ignition system
The emission control system
Systems which impact emissions
Such malfunctions may result in excessive
emissions values and may switch the engine
to its limp-home (emergency operation)
mode.
Have the vehicle checked as soon as
possible by an authorized
Mercedes-Benz Center.
An on-board diagnostic connector is
used by the service station to link the
vehicle to the shop diagnostics sys-
tem. It allows the accurate identifica-
tion of system malfunctions through
the readout of diagnostic trouble
codes. It is located in the front left
area of the footwell next to the park-
ing brake pedal.
The fuel cap is not closed tight.
Check the fuel cap.
Your gas tank is empty.
After refuelling start the engine three
or four times in succession.
The limp-home mode is canceled. You do
not need to have your vehicle checked.
<
The red seat belt warning lamp
blinks for a brief period after
starting the engine.
The warning lamp reminds you to fasten seat
belts.
Fasten your seat belt.
The yellow fuel tank reserve warning lamp
lights up while driving.
The fuel level has gone below the reserve
mark.
Refuel at the next gas station
(page 224).
Page 251 of 356
251 Practical hints
What to do if …
Lamp in center consoleProblem
Possible cause
Suggested solution
7
The indicator lamp lights up.
A BabySmart
TM child seat is installed on the
front passenger seat. Therefore the front
passenger airbag is switched off.
The system is malfunctioning when there is
no BabySmart
TM child seat installed on the
front passenger seat.
Have the system checked as soon as
possible by an authorized
Mercedes-Benz Center.
7
The indicator lamp does not light
up with a BabySmart
TM child
seat properly installed on the
front passenger seat.
The system is malfunctioning.
Make sure that there is nothing be-
tween seat cushion and child seat and
check installation of the child seat.
If the light remains out, have the sys-
tem checked as soon as possible by
an authorized Mercedes-Benz Center.
Do not use the BabySmart
TM restraint
to transport children on the front pas-
senger seat until the system has been
repaired.
Page 263 of 356

263 Practical hints
What to do if …
When the “ENGINE OIL LEVEL – CHECK
LEVEL!” message appears while the engine
is running and at operating temperature,
the engine oil level is low.
When this occurs, the warning will first
come on intermittently and then stay on if
the oil level drops further.If no oil leaks are noted, continue to drive
to the nearest gas station where the en-
gine oil should be filled up with an ap-
proved oil (
page 227).
!The engine oil level warnings should
not be ignored. Extended driving with
the symbol displayed could result in se-
rious engine damage that is not cov-
ered by the Mercedes-Benz Limited
Warranty.
Display
Possible cause
Suggested solution
A
RESERVE FUEL
VISIT FILLING STATION!
The fuel level has dropped below the re-
serve mark.
Refuel at the next gas station
(page 224).
Y
HOOD OPEN!
You are driving with the hood open.
Close the hood (
page 226).
I
REPLACE KEY
VISIT WORKSHOP!
No additional code available for SmartKey.
Change the batteries (
page 294).
AUTOM. LIGHT ON
REMOVE KEY!
You have forgotten to remove the key.
Remove the key from the starter
switch.
.
LAMP SENSOR
VISIT WORKSHOP!
The lamp sensor is malfunctioning. The
headlamps switch on automatically.
Set lamp operation to manual.
Switch on headlamps using the exte-
rior lamp switch.