Page 320 of 399
320 Practical hintsWhat to do if …Display
Possible cause
Possible solution
H
Tire pressure monitor-
ing
Visit workshop!
The tire inflation pressure monitor is mal-
functioning.
A wheel without proper sensor was in-
stalled.
Have the tire inflation pressure monitor
checked by an authorized
Mercedes-Benz Center.
Change the wheel.
Tire pressure, rear left
Caution tire defect!
The left rear tire is rapidly deflating.
Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking ma-
neuvers.
Change the wheel (
page 338).
Tire pressure, rear left
Check tires!
The left rear tire pressure is low.
Carefully bring the vehicle to a halt.
Check the tire pressure.
Change the wheel (
page 338).
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.
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Page 321 of 399
321 Practical hints
What to do if …
Display
Possible cause
Possible solution
H
Tire pressure, rear
right
Caution tire defect!
The right rear tire is rapidly deflating.
Carefully bring the vehicle to a halt,
avoiding abrubt steering and braking ma-
neuvers.
Change the wheel (
page 338).
Tire pressure, rear
right
Check tires!
The right rear tire pressure is low.
Carefully bring the vehicle to a halt.
Check the tire pressure.
Change the wheel (
page 338).
Tire pressure, front
left
Caution tire defect!
The left front tire is rapidly deflating.
Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking ma-
neuvers.
Change the wheel (
page 338).
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.
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Page 322 of 399
322 Practical hintsWhat to do if …Display
Possible cause
Possible solution
H
Tire pressure, front
left
Check tires!
The right rear tire pressure is low.
Carefully bring the vehicle to a halt.
Check the tire pressure.
Change the wheel (
page 338).
Tire pressure, front
right
Caution tire defect!
The right front tire is rapidly deflating.
Carefully bring the vehicle to a halt,
avoiding abrubt steering and braking ma-
neuvers.
Change the wheel (
page 338).
Tire pressure, front
right
Check tires!
The right front tire pressure is low.
Carefully bring the vehicle to a halt.
Change the wheel (
page 338).
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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Page 323 of 399

323 Practical hints
What to do if …
Display
Possible cause
Possible solution
I
Remove key!
You have forgotten to remove the key.
Remove the key from the starter switch.
Replace key
The batteries in the key are dead.
Change the batteries (
page 328).
Automat. light on
Remove key!
Remove the key from the starter switch.
A
Reserve fuel
The fuel level has dropped below the re-
serve mark.
Refuel at the next filling station
(page 259).
J
Door open
You are attempting to drive with one or
more doors open.
Close the doors.
?
Visit workshop!
There may be a malfunction in the:
fuel injection system
ignition system
exhaust system
fuel system
Have the measuring system checked by
an authorized Mercedes-Benz Center.
±
Display defective
Visit workshop!
Certain electronic systems are unable to
relay information to the control system.
The following systems may have failed:
Coolant temperature display
Tachometer
Cruise control display
Have the electronic systems checked by
an authorized Mercedes-Benz Center.
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Page 376 of 399

376 Technical termsControl system
The control system is used to call up
vehicle information and to change
component settings. Information and
messages appear in the multifunction
display. The driver uses the buttons on
the multifunction steering wheel to
navigate through the system and to ad-
just settings.
Cruise control
Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.Distronic*
A driving convenience cruise control
system which helps the driver maintain
a pre-selected speed:
If there is no vehicle directly ahead,
the system operates in the same
way as conventional ->cruise con-
trol.
If a slower moving vehicle is ahead,
Distronic will reduce your vehicle
speed to the extent permitted by re-
duced throttle and up to 20% brak-
ing power to maintain the preset
minimum following distance.
DTR
(->Distronic*)Engine number
The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine pro-
duced.
Engine oil viscosity
Measurement for the inner friction (vis-
cosity) of the oil at different tempera-
tures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can tol-
erate without becoming viscous, the
better the viscosity.
ESP
(E
lectronic S
tability Pr
ogram)
Improves vehicle handling and direc-
tional stability.
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Page 377 of 399

377 Technical terms
ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the sys-
tem's threshold to tighten the seat
belts.
->SRS
FSS
(F
lexible S
ervice S
ystem)
Service indicator in the multifunction
display that informs the driver when
the next vehicle maintenance service is
due.
Gear range
Number of gears which are available to
the automatic transmission for shifting.
The automatic gear shifting process
can be adapted to specific operating
conditions using the selector lever.GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers. Employs CD digital maps for
navigation.
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer
and fuel gauge.Kickdown
Depressing the accelerator past the
point of resistance shifts the transmis-
sion down to the lowest possible gear.
This very quickly accelerates the vehi-
cle and should not be used for normal
acceleration needs.
Lock button
Button on the door which indicates
whether the door is locked or un-
locked. Pushing the lock button down
on an individual door from inside will
lock that door.
Memory function*
Used to store three individual seat,
steering wheel and mirror positions for
each key.
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Page 378 of 399

378 Technical termsMenu
The control system displays are ar-
ranged in menus. Each menu contains
a number of commands for particular
systems. In the Audio menu, for exam-
ple, you will find the commands
SELECT RADIO STATION or
OPERATE CD
PLAYER
. Using commands you can di-
rectly change the settings for your ve-
hicle.
MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized meth-
od. It is an indication of a gasoline's
ability to resist undesired detonation
(knocking). The average of both the
MON (Motor Octane Number) and
->RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.Multifunction display
The display field in the instrument clus-
ter used to present information provid-
ed by the control system.
Multifunction steering wheel
Steering wheel with buttons for operat-
ing the control system.
Overspeed range
Engine speeds within the red marking
of the tachometer dial. Avoid this en-
gine speed range, as it may result in se-
rious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.
Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.Power train
Collective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing:
Engine
Clutch/torque converter
Transmission
Transfer case*
Drive shaft
Axle shafts/axles
Program mode selector switch
Used to switch the automatic transmis-
sion between standard operationS and
winter operationW.
Remote Vehicle Diagnostics
Transmission of vehicle data and cur-
rent location to the Mercedes-Benz
Customer Assistance Center for sub-
scribers to the Tele Aid service.
ProCarManuals.com
Page 381 of 399

381 Index
A
ABS 73, 375
Malfunction indicator lamp 289
Messages in display 296
Warning lamp 289
Accelerator position, automatic
transmission 156
Accident
In case of 49
Activating
Air conditioning (cooling) 170, 181
Air recirculation mode 168, 178
Anti-theft alarm system 82
Automatic climate control 174
Central locking (control system) 142
Charcoal filter 180
Climate control 164
Defrost 167
Distance warning function* 206
Distronic* 202
Easy-entry/exit feature* 143
ESP 77
Exterior headlamps 46
Exterior lamps 113
Hazard warning flasher 115
Headlamps 46High beams 115
Ignition 31
Ignition with KEYLESS-GO* start/stop
button 33
Immobilizer 52, 81
Rear fog lamp 113
Rear window defroster 169, 180
Residual heat 171, 182
Tow-away alarm 83
Windshield wipers 47
Adjustable air outlets, rear passenger
compartment 182
Adjusting 34
Air distribution 166, 177
Air volume 166, 177
Backrest tilt 36
Exterior rear view mirror 39
Head restraint height 36
Head restraint tilt 36
Inside rear view mirror 38
Instrument cluster illumination 118
Mirrors 38
Multicontour seat* 104
Seat cushion depth 105
Seat cushion tilt 36
Seat fore and aft adjustment 35Seat height 35
Seats 34
Steering column height 38
Steering column length 38
Steering wheel 37
Air conditioner (cooling)
Turning off 170, 181
Turning on 170, 181
Air distribution
Adjusting 166, 177
Air outlets, rear passenger compartment
Adjustable 182
Air recirculation mode 167, 178
Activating 168, 178
Deactivating 168, 179
Air volume
Adjusting 166, 177
Airbags 57
BabySmart
TM airbag deactivation
system 67, 375
Children 58
Front 60
Passenger 60
Safety guidelines 59
Side impact 61
Window curtain 61
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