Page 360 of 474
358 Practical hintsWhat to do if …?Display
Possible cause
Possible solution
?
VISIT WORKSHOP
There may be a malfunction in the:
Fuel injection system
Ignition system
Exhaust system
Fuel system
Visit an authorized Mercedes-Benz
Center as soon as possible.
B
COOLANT
CHECK LEVEL!
The coolant level is too low.
Add coolant (
page 292).
If you have to add coolant frequently,
have the cooling system checked by an
authorized Mercedes-Benz Center.
Warning!
G
Do not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which
may burn if it comes into contact with hot
engine parts. You can be seriously burned.
!Do not ignore the low engine coolant
level warning. Extended driving with
the message and symbol displayed
may cause serious engine damage not
covered by the Mercedes-Benz Limited
Warranty.
Do not drive without a sufficient
amount of coolant in the cooling sys-
tem. The engine will overheat, causing
major engine damage.
Page 366 of 474

364 Practical hintsWhat to do if …?Display
Possible cause
Possible solution
_
ENTRY POSITION
DO NOT DRIVE
Seat, exterior mirrors and steering wheel
have not yet moved to their preset driving
positions.
Wait until the seat, exterior mirrors and
steering wheel have moved to their driv-
ing positions.
The message will disappear.
Y
HOOD OPEN!
You are driving with the hood open.
Close the hood (
page 287).
I
REMOVE KEY!
You have forgotten to remove the
SmartKey.
Remove the SmartKey from the ignition.
REPLACE KEY!
DRIVE TO WORKSHOP
The SmartKey is malfunctioning.
Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.
AUTOMATIC LIGHT ON
REMOVE KEY!
SmartKey in starter switch position 1
or2.
Remove the SmartKey from the starter
switch.
KEY
CHECK BATTERY
The battery in the KEYLESS-GO* key is
discharged.
Replace the battery (
page 387).
KEY
NOT RECOGNIZED
SmartKey with KEYLESS-GO* is not rec-
ognized while the engine is running be-
cause
the SmartKey is not in the vehicle
there is strong radio-frequency inter-
ference
Stop the vehicle as soon as it is safe to do
so.
Search for the SmartKey.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started again
after it has been stopped.
Page 370 of 474

368 Practical hintsWhat to do if …?Display
Possible cause
Possible solution
.
STANDING LIGHT, L
CHECK LIGHT
The left front parking lamp is malfunction-
ing.
Replace the bulb as soon as possible.
STANDING LIGHT, R
CHECK LIGHT
The right front parking signal lamp is mal-
functioning.
Replace the bulb as soon as possible.
STANDING LIGHT, L
CHECK LIGHT
SUBSTITUTE LAMP ON!
The left rear parking signal lamp is mal-
functioning. A substitute bulb is being
used.
Replace the bulb as soon as possible.
STANDING LIGHT, R
CHECK LIGHT
SUBSTITUTE LAMP ON!
The right rear parking signal lamp is mal-
functioning. A substitute bulb is being
used.
Replace the bulb as soon as possible.
TAIL LIGHT, LEFT
CHECK LIGHT
SUBSTITUTE LAMP ON!
The left tail lamp is malfunctioning. A sub-
stitute bulb is being used.
Replace the bulb as soon as possible.
TAIL LIGHT, RIGHT
CHECK LIGHT
SUBSTITUTE LAMP ON!
The right tail lamp is malfunctioning. A
substitute bulb is being used.
Replace the bulb as soon as possible.
TURN OFF LIGHTS
Lamps have been turned on although the
SmartKey in the ignition is in position 0.
Turn the exterior lamp switch to M
(page 50).
Page 388 of 474
386 Practical hintsOpening/closing in an emergencyTilt/sliding sunroof
You can open or close the tilt/sliding sun-
roof manually should an electrical malfunc-
tion occur.
The tilt/sliding sunroof drive is located be-
hind the lens of the interior overhead light.
1Lens
Pry off lens1 using a flat blade srew-
driver (
page 379).
Switch on ignition (
page 34).
Take crank the crank from the opera-
tor’s manual pouch.
2Crank
Insert crank2 through hole.
Turn crank2 clockwise to:
slide sunroof closed
raise roof at the rear
Turn crank2 counterclockwise to:
slide sunroof open
lower roof at the rear
iTurn crank2 slowly and smoothly.
The tilt/sliding sunroof must be syn-
chronized after being operated manual-
ly (
page 213).
Page 445 of 474

443 Index
A
ABC 231, 437
Messages in display 349, 354
Setting vehicle level 230, 232
ABS 25, 80, 437
Malfunction indicator lamp 338
Messages in display 350
Warning lamp 338
Accelerator position, automatic
transmission 180
Accessory weight 322
Accident
In case of 54
Activating
Air conditioner (cooling) 203
Air conditioning 202
Air recirculation mode 199
Anti-theft alarm system 87
Central locking (control system) 168
Charcoal filter 200
Distance warning function* 226
Distronic* 222
Easy-entry/exit feature 170ESP 84
Exterior lamps 132
Exterior rear view mirror parking
position 187
Front and rear fog lamp 132, 134
Hazard warning flasher 136
Headlamps 50
High beams 135
Ignition 34
Ignition with KEYLESS-GO* start/stop
button 36
Immobilizer 57, 86
Limiting opening height of trunk
lid* 169
Manual shift program S 55 AMG 183
Rear window defroster 201
Residual heat 203
Seat heater 125, 126
Seat ventilation* 127
Tow-away alarm 89
Windshield wipers 52Adaptive Damping System (ADS) 229,
437
Adding
Coolant 293
Engine oil 291
Additional turn signals 390
Adjustable air vents, rear passenger
compartment 204
Adjusting 37
Air distribution 196
Air volume 198
Backrest tilt 38
Drive-dynamic seat* 172
Exterior rear view mirror 41
Head restraint height 39
Head restraint tilt 39
Instrument cluster illumination 140
Interior rear view mirror 41
Lumbar support 122
Mirrors 41
Multicontour backrest* 122
Power seat bench* 117
Seat cushion depth 38, 123
Page 456 of 474

454 IndexHeight adjustments
Vehicle level 230, 232
High beam 50
Replacing bulbs 390
High beam flasher 135
High beam headlamps
Messages in display 366
Switching on 135
High mounted brake lamp 390
Hood 286
Closing 287
Message in display 364
Opening 286
Hydroplaning 277
I
Identification labels 418
Emission control information
label 418
Vacuum line routing diagram
label 418
Ignition 34, 36
Switching on 34, 46, 47Immobilizer 86
Activating 86
Deactivating 86
Indicator lamps see Lamps, indicator and
warning
Individual seats* 117
Head restraint height 118
Infant and child restraint systems 71
Installing 75
LATCH child seat anchors 76
Information
About service and warranty 10
Button for Tele Aid* 260
Infrared reflecting windshield 270
Inside rear view mirror
Auto-dimming 186
Installing
Infant and child restraint systems 75
Towing eye bolt 410
Wiper blades 397Instrument cluster 24, 140, 439
Cleaning 335
Coolant temperature gauge 141
Illumination 140
Multifunction display 143
Outside temperature indicator 142
Selecting language 164
Integrated remote control
Canadian programming 268
Erasing memory 269
Hand-held transmitter 266
Operating 269
Rolling code programming 267
Interior illumination
Delayed switch-off 167
Interior lighting 137
Activating automatic control 137
Deactivating automatic control 137
Manual operation 137
Reading lamps in the front 138
Reading lamps in the rear 138
Interior rear view mirror
Adjusting 41
Page 457 of 474

455 Index
J
Jump starting 406
K
Key see SmartKey 57, 58
Key, mechanical 383
Key, SmartKey
Checking the batteries 95
Locking 58
Key-dependency memory
Settings 169
KEYLESS-GO* 439
Activating ignition with 36
Locking 58
Locking the vehicle 101
Loss of SmartKey with
KEYLESS-GO 102
Messages in display 364
Starting the engine 47
Turning off engine 57Kickdown 180, 439
Kilometers/miles in speedometer 163
Kilopascal 323
Km/h or mph in speedometer 163
L
Lamp bulbs, exterior 389
Lamps, exterior
Front 390
Light sensor 366
Messages in display 367
Rear 390
Lamps, indicator and warning
ABS 338
Air bag Off 65
Battery (SmartKey with
KEYLESS-GO*) 100
Battery (SmartKey) 94
Brakes 339
Coolant 358
Distronic* 219Engine diagnostics 340, 341
Engine malfunction indicator
lamp 340, 341
ESP 342, 343
Front passenger front air bag off 346
Fuel reserve 341
Instrument cluster 338–345
Seat belts telltale 343
Service indicator 328
SRS 61
Language
Multifunction display 164
Setting 164
LATCH child seat anchors 76
Layout of poly-V-belt drive 419
Leather upholstery
Cleaning 336
Lever
For cruise control 221
License plate lamps
Replacing bulbs 390, 395