2004 MERCEDES-BENZ S55AMG stop start

348 Practical hintsUnlocking/locking in an emergency
Unlocking/locking in an emergencyUnlocking the vehicle
If you are unable to unlock the vehicle with
the SmartKey, open the driver’s door and
the trunk using the mechanical key.
1Mechanical key locking tab
2Mechanical key

Move locking tab1 in direction of ar-
row and slide the mechanical key2
out of the housing.Unlocking the driver’s door
1Unlocking
2Locking

Unlock the door with the mechanical
key. To do so, push the mechanical key
into the lock until it stops and turn it to
the left.
iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft
alarm system.
To cancel the alarm, do one of the fol-
lowing:
With SmartKey

Press button Œ or ‹ on the
SmartKey.


Insert the SmartKey in the starter
switch.
With KEYLESS-GO*


Press the KEYLESS-GO* start/stop
button (
page 33).


Grasp the outside door handle
(page 55).

363 Practical hints
Flat tire
1Jack support tube cover
Move cover1 toward rear by pressing
at point indicated by arrow.

Remove cover1 carefully to avoid
damage to the locking tabs.1Jack support tube hole
2Jack arm
3Crank

Insert jack arm2 fully into tube
hole1 up to the stop.

Keeping jack in this position, turn
crank3 clockwise until the jack base
meets the ground. Make sure the jack
is vertical (plumb line).

Continue to turn the crank until the tire
is a maximum of 1.2 in (3 cm) from the
ground.
Warning!
G
Insert the jack arm fully into the jack sup-
port tube hole up to the stop. Otherwise the
vehicle may fall from the jack and cause per-
sonal injury or damage to the vehicle.
Warning!
G
The jack is intended only for lifting the vehi-
cle briefly for wheel changes. It is not suited
for performing maintenance work under the
vehicle.

Never start the engine when the vehicle
is raised.


Never lie down under the raised vehicle.

366 Practical hintsBattery
Battery
The battery is located on the right side of
the trunk under the battery cover.
1Battery cover 
Pull on the outer, right-hand side of
cover1 and remove it in the direction
of the arrow.
Warning!
G
Failure to follow these instructions can re-
sult in severe injury or death.
Never lean over batteries while connecting,
you might get injured.
Battery fluid contains sulfuric acid. Do not
allow this fluid to come in contact with eyes,
skin or clothing. In case it does, immediately
flush affected area with water and seek
medical help if necessary.
A battery will also produce hydrogen gas,
which is flammable and explosive. Keep
flames or sparks away from battery, avoid
improper connection of jumper cables,
smoking, etc.Warning!
G
Do not place metal objects on the battery as
this could result in a short circuit.
Use leak-proof battery only to avoid the risk
of acid burns in the event of an accident.
!Never loosen or detach battery termi-
nal clamps while the engine is running
or the SmartKey is in the starter switch.
Otherwise the alternator and other
electronic components could be se-
verely damaged.
Have the battery checked regularly by
an authorized Mercedes-Benz Center.
Refer to Service Booklet for mainte-
nance intervals or contact an autho-
rized Mercedes-Benz Center for further
information.Warning!
G
With a disconnected battery

you will no longer be able to turn the
SmartKey in the starter switch and
pressing the KEYLESS-GO* start/stop
button on the gear selector lever will
have no effect


the gear selector lever will remain
locked in positionP

373 Practical hints
Towing the vehicle
Installing towing eye bolt
1Cover on right side of front bumper
2Cover on right side of rear bumperRemoving cover

Press mark on cover in direction of ar-
row.

Lift cover off to reveal threaded hole for
towing eye bolt.
Installing towing eye bolt

Take towing eye bolt and wheel wrench
out of trunk (
page 344).

Screw towing eye bolt clockwise into
its stop and tighten with wheel wrench.
Removing towing eye bolt

Loosen towing eye bolt counterclock-
wise with wheel wrench.

Unscrew towing eye bolt.

Store towing eye bolt and wheel
wrench in trunk.
Installing cover

Fit cover and snap into place.
!When towing the vehicle with all wheels
on the ground, please note the follow-
ing:
With the automatic central locking acti-
vated and the SmartKey in starter
switch position2, or KEYLESS-GO*
start/stop button in position2, the ve-
hicle doors lock if the left front wheel
as well as the right rear wheel are turn-
ing at vehicle speeds of approximately
9 mph (15 km/h) or more.
Switch off the tow-away alarm
(page 85).
To prevent the vehicle doors from lock-
ing, deactivate the automatic central
locking (
page 106).
Towing of the vehicle should only be
done using the properly installed tow-
ing eye bolt. Never attach tow cable,
tow rope or tow rod to vehicle chassis,
frame or suspension parts.

376 Practical hintsFuses1Fuse box cover, front passenger side
2Slide
Opening
Push both slides2 to the Πsym-
bol.

Remove cover1.Closing

Replace cover1 and press it down by
hand.

Push both slides 2 to the ‹ sym-
bol.
Emergency engine shut-down
If the engine can no longer be stopped us-
ing the SmartKey or the KEYLESS-GO*
start/stop button, the engine can be
turned off by withdrawing two fuses.
For easy removal of fuses, use the fuse
extractor (supplied with vehicle tool kit) to
pull out the fuses marked on the fuse chart
as "ENGINE EMERGENCY STOP".
The fuse chart is also located in the vehicle
tool kit (
page 344).
!The cover must fit properly and the
slide must be positioned at the ‹
symbol, as moisture or dirt may impair
the functionality of the fuses.

407 Index
A
ABC 220, 401
Messages in display 313, 318
Setting vehicle level 219, 221
ABS 77, 401
Malfunction indicator lamp 304
Messages in display 314
Warning lamp 304
Accelerator position, automatic
transmission 170
Accident
In case of 50
Activating
Air conditioner (cooling) 191
Air conditioning 190
Air recirculation mode 187
Anti-theft alarm system 84
Central locking (control system) 159
Charcoal filter 188
Distance warning function* 215
Distronic* 211
Easy-entry/exit feature 160
ESP 81
Exterior lamps 125Exterior rear view mirror parking
position 175
Front and rear fog lamp 126, 127
Hazard warning flasher 129
Headlamps 47
High beams 128
Ignition 31
Ignition with KEYLESS-GO*
start/stop button 33
Immobilizer 53, 83
Limiting opening height of
trunk lid* 159
Rear window defroster 189
Residual heat 191
Seat heater 114, 116
Seat ventilation* 117
Tow-away alarm 85
Windshield wipers 48
Activating steering wheel gearshift control
Downshifting 169, 172
Upshifting 169, 172
Adding
Coolant 279
Engine oil 277
Additional turn signals 353Adjustable air vents, rear passenger
compartment 192
Adjusting 34
Air distribution 184
Air volume 186
Backrest tilt 35
Drive-dynamic seat 163
Exterior rear view mirror 38
Head restraint height 36
Head restraint tilt 36
Instrument cluster illumination 131
Interior rear view mirror 38
Lumbar support 112
Mirrors 38
Multicontour backrest* 112
Power seat bench* 118
Seat cushion depth 35, 112
Seat cushion tilt 35
Seat fore and aft adjustment 35
Seat height 35
Seat in the lumbar region 113
Seat in the shoulder region 112
Seats 34
Steering column height 37
Steering column in or out 37

427 Index
Simultaneous wiping and washing
Windshield wipers 49
Single wipe 49
Sliding/pop-up roof 199
Closing 199, 352
Closing with KEYLESS-GO* 202
Closing with SmartKey 201
Messages in display 333
Opening 199, 352
Opening with SmartKey 201
Stopping 200
Synchronizing 202
SmartKey 30, 88
Battery check lamp 89, 94
Changing the batteries 350
Checking the batteries 91
Factory setting 89
Global locking 89
Global locking and unlocking 89
Global unlocking 89
Locking and unlocking 88
Loss of 91
Opening and closing the
sliding/pop-up roof with 201Opening and closing windows
with 197
Remote controls 88, 92
Replacing the batteries 349
Restoring to factory setting 90
Selective setting 89
Starting the engine 43
Turning off the engine 53
Unlocking with 30
SmartKey positions in starter switch 31
SmartKey with KEYLESS-GO
Checking the battery 95
SmartKey with KEYLESS-GO* 91
Changing the battery 351
Factory setting 94
Global locking 94
Global unlocking 94
Loss of 96
Messages in display 328
Replacing the battery 349
Selective setting 94
Unlocking 91
Unlocking with 32
Snow chains 293Spare fuses 345
Spare parts service 378
Spare wheel
Mounting 361
Speed
Setting current 204
Setting to last stored speed in
Distronic* ("Resume"
function) 212
Speed settings
Cruise control 205
Distronic* 211, 212
Speedometer
Displaying gear range 166
Displays 208
Settings units 154
Speedometer display mode
Selecting 154
Sporty driving style 221
SRS 66, 405
Indicator lamp 310
SRS indicator lamp 58
Standing lamps 124
Replacing bulbs 353, 354, 357

428 IndexStanding water
Driving instructions 265
Starter switch 31
Positions 31
Starting difficulties 44
Starting position 31
Starting the engine 43
Steering column
Height adjustment 37
Length adjustment 37
Steering wheel
Adjusting 37
Adjustment 37
Cleaning 301
Heated steering wheel* 240
Steering wheel adjustment 37
Stolen vehicle
Tracking services 250
Stopping
Sliding/pop-up roof 200
Windows 197
Storage compartments 231
Armrest 232, 233, 234
Cup holder 236, 237Glove box 231
In front of armrest 234
Parcel net 237
Storage compartment in front of
armrest 232, 233
Storage tray 232, 233, 234
Under the front seats 235
Storing (Memory function*)
Positions into memory 122
Submenus
Convenience 160
For settings 136
In control system 138
Instrument cluster 154
Lighting 155
Resetting functions in Control
system 152
Selecting 152
Settings menu 152
Vehicle 159
Sun visors 178
Supplemental Restraint System
(SRS) 405Suspension tuning
For regular driving style 221
For sporty driving style 221
Setting 220
Switching off
Automatic central locking (control
system) 159
Engine 53
ESP 80
Hazard warning flasher 129
Headlamps 53
Switching on
Automatic central locking (control
system) 159
ESP 81
Front fog lamps 127
Front lamps 124
Hazard warning flasher 129
Headlamps 47
High beams 128
Parking lamps 124
Rear fog lamp 127
Windshield wipers 48