check engine light MERCEDES-BENZ S550 2007 W221 Owner's Manual

491 Operation
At the gas station
Windshield washer system and head-
lamp cleaning system
For more information on refilling the wash-
er reservoir, see “Windshield washer sys-
tem and headlamp cleaning system”
(page 498).
Coolant
For more information on coolant, see
“Coolant level” (
page 497) and see “Fu-
els, coolants, lubricants, etc.”
(
page 661).Brake fluid
For information on brake fluid, see “Brake
fluid” (
page 663)
Engine oil level
For more information on engine oil, see
“Engine oil” (
page 494).Vehicle lighting
Check function and cleanliness. For more
information on replacing light bulbs, see
“Replacing bulbs” (
page 621).
For more information, see “Lighting”
(
page 342).
Tire inflation pressure
For information on tire inflation pressure,
see “Checking tire inflation pressure”
(page 511).
!
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 immediately. Notify an
authorized Mercedes-Benz Center immediately.
Do not add brake fluid as this will not solve the
problem. For more information, see “Practical
hints” (page 545).

602 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Night View Assist
Lights ON or AUTO,
not in R gear
You have tried to switch on Night View As-
sist* but the light switch is not set to *
or B.
In addition, the automatic transmission is in
positionR.

Turn the exterior lamp switch to * or
B (
page 342).

Shift the automatic transmission to P, N or D
(page 367).
Night View Assist
only when
it is dark
You have tried to switch on Night View As-
sist* by daylight.
You can only switch on Night View Assist* when
it is dark.
Engine oil level
Stop vehicle!
Switch engine off
S 600 only:
There is no oil in the engine. There is a dan-
ger of engine damage.

Carefully bring the vehicle to a halt as soon
as it is safe to do so in a safe location.

Turn off the engine.

Add engine oil (
page 494) and check the
engine oil level (page 494).

680 IndexAquaplaning see Hydroplaning
Armrest 448, 450
Ashtrays 456
Aspect ratio 526
Audio (COMAND) 104
CD mode 111
DVD mode 111
MP3 mode 111
Audio (Control system instrument
cluster) 248
CD changer 249
DVD changer 249
Audio DVD
Fast forward/rewind (COMAND) 113
Menu overview (COMAND) 110
Pause function (COMAND) 112
Stop function (COMAND) 112
Auto-dimming, Rear view mirrors 334
Automatic climate control 424
Adjusting air distribution
(COMAND) 230
Adjusting air flow from air vents
(COMAND) 233
Adjusting air volume (COMAND) 230
Adjusting the footwell temperature
(COMAND) 232Air recirculation mode 431
Central climate control menu
(COMAND) 231
Central menu for rear climate control*
(COMAND) 234
Defrosting 429
Operating the rear climate control*
from the front 234
Operating via COMAND 229
Rear window defroster 430
Selecting Mono mode
(COMAND) 232
Setting temperature (COMAND) 230
Setting the temperature 429
Setting the temperature in the rear
passenger compartment 435
Switching cooling on or off
(COMAND) 231
Automatic headlamp mode 255, 343
Automatic lighting control, Interior
lighting 349
Automatic locking when driving 313
Automatic shift program 374
Automatic transmission
Accelerator position 373
Automatic shift program 374Emergency operation (limp-home
mode) 377
Fluid 661
Fluid level 497
Gear ranges 372
Gear selector lever 367
Gear shifting malfunctions 377
Hill start assist system 374
Kickdown 373
Program mode selector switch 374
Shifting procedure 369
Starting the engine 359
Steering wheel gearshift control 375
Transmission fluid 497
Transmission positions 370
B
Backup lamps
Replacing bulbs 622
Bar 526
BAS 71
Batteries, SmartKey
Checking battery condition 311
Replacing 619
Batteries, SmartKey with KEYLESS-GO*
Checking battery condition 311
Replacing 619

688 IndexInfant and child restraint systems see Chil-
dren in the vehicle
Inflation pressure see Tires
Infrared reflecting windshield 475
Inside door handle 312
Instrument cluster 28, 378, 674
Cleaning 541
Coolant temperature gauge 378
Illumination 81, 378
Lamps 544
Multifunction display 241
Outside temperature indicator 379
Selecting the language
(COMAND) 216
Interior lighting 348
Activating automatic control 349
Ambient lighting (COMAND) 225
Deactivating automatic control 349
Delayed switch-off (COMAND) 226
In the rear 350
Reading lamps in the front 349
Reading lamps in the rear 350
Interior rear view mirror
Adjusting 332
Auto-dimming 334Interior storage spaces see Storage com-
partments
J
Jack 612, 630
Jacking up the vehicle 630
Jump starting 639
K
Key, Mechanical 614
Loss of 311
Key, SmartKey 304
Battery check lamp 304, 305
Factory setting 305
Global locking and unlocking 305
Lock button 304
Locking and unlocking 304
Loss of 311
Messages in display 593
Opening button for trunk 304
Panic button 68
Remote control 304
Restoring to factory setting 306
Selective setting 305
Starting the engine 359
Switching on ignition with 315Turning off engine 366
Unlock button 304
Key, SmartKey with KEYLESS-GO* 306
Battery check lamp 306, 310
Closing, Trunk 440
Factory setting 309
Global locking and unlocking 309
Important notes on using
KEYLESS-GO* 308
Lock button 306
Locking and unlocking 306
Locking using the lock button on door
or on trunk lid 310
Loss of 311
Messages in display 592
Opening button for trunk 306
Panic button 68
Remote control 306
Restoring to factory setting 310
Selective setting 310
Starting the engine 360
Switching on ignition with 317
Turning off engine 366
Unlock button 306
Kickdown 373, 674
Kilopascal 527

689 Index
L
Labels 652
Certification 652
Emission control information 652
Supplemental tire inflation pressure
information 489
Tire and Loading Information 504
Vacuum line routing diagram 652
Lamp bulbs, exterior 621
Lamps, exterior
Front 622
Light sensor 596
Rear 622
Lamps, indicator and warning
ABS 29, 69, 544
Air bag Off 49
Battery (SmartKey with
KEYLESS-GO*) 310
Battery check lamp (SmartKey) 305
Brakes 545
DISTRONIC Plus* 29, 388, 397, 549
Engine diagnostics 547
Engine malfunction 547
ESP
®
549
Front passenger front air bag off 53,
555Fuel reserve 550
Instrument cluster 544
Maintenance service indicator 532
Seat belts telltale 550
SRS 552
Language (COMAND) 216
LATCH-type child seat anchors see Chil-
dren in the vehicle
Leather upholstery, Cleaning and care
of 542
Lever
For automatic transmission (gear se-
lector lever) 367
For cruise control 381
For DISTRONIC Plus* 390
License plate lamps
Messages in display 597
Replacing bulbs 622
Light alloy wheels, Cleaning 541
Light sensor
Message in display 596
Lighter see Cigarette lighter
Lighting 342
Automatic headlamp mode 343
Combination switch 346
Corner-illuminating lamps 347Courtesy lighting 350
Daytime running lamp mode 344
Door entry lamps 350
High beam flasher 347
High beams 346
Instrument cluster illumination 81,
378
Interior 348
Manual headlamp mode 343
Trunk 350
Limp-home mode 377
Line of fall 674
Loading see Vehicle loading
Locator lighting (COMAND) 221
Lock button
Door handle (KEYLESS-GO*) 309,
358
Key, SmartKey 304
Key, SmartKey with
KEYLESS-GO* 306
Trunk lid (KEYLESS-GO*) 310
Locking 363
Automatic central locking
(COMAND) 223
Vehicle in an emergency 615
Locking knob 312, 674