Page 409 of 481

408 Practical hintsBattery
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 Maintenance Booklet for main-
tenance 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 (
page 35) on the gear selector
lever will have no effect
the gear selector lever will remain
locked in positionP
Page 416 of 481

415 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 the direction of
arrow.
Lift cover off to reveal the threaded
hole for towing eye bolt.
Installing towing eye bolt
Take towing eye bolt and wheel wrench
out of trunk (
page 384).
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 (
page 35) in
position2, the vehicle doors lock if the
left front wheel as well as the right rear
wheel are turning at vehicle speeds of
approximately 9 mph (15 km/h) or
more.
Switch off the tow-away alarm
(
page 88).
To prevent the vehicle doors from lock-
ing, deactivate the automatic central
locking (
page 112).
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.
Page 452 of 481

451 Index
A
ABC 232, 443
Messages in display 351
Setting vehicle level 230, 233
ABS 25, 79, 443
Malfunction indicator lamp 340
Messages in display 353
Warning lamp 340
Accelerator position, automatic
transmission 177
Accessory weight 323
Accident
In case of 54
Activating
Air conditioner (cooling) 202
Air conditioning 202
Air recirculation mode 198
Anti-theft alarm system 86
Central locking (control system) 168
Charcoal filter 200
Distance warning function* 227
Distronic* 223
Easy-entry/exit feature 170
ESP
®
83
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, 85
Limiting opening height of trunk
lid* 169
Manual shift program S 55 AMG and
S 65 AMG 184
Rear window defroster 201
Residual heat 202, 207
Seat heater 125, 126
Seat ventilation* 127
Tow-away alarm 88
Windshield wipers 52
Adaptive Damping System (ADS) 229,
443
Adding
Coolant 294
Engine oil 292
Additional turn signals 395
Adjustable air vents, rear passenger compartment 204
Adjusting 37
Air distribution 196, 206
Air volume 197
Backrest tilt 38
Drive-dynamic seat* 171
Exterior rear view mirrors 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
Seat cushion tilt 38
Seat fore and aft adjustment 38
Seat height 38
Seat in the lumbar region 123
Seat in the shoulder region 123
Seats 37
Steering column height 40
Steering column in or out 40
Steering column up or down 40
Steering wheel 40
Page 472 of 481

471 Index
Setting front passenger seat position from
rear* 118
Settings
Calling up Distronic* 156, 221
Convenience functions 169
Factory, SmartKey 94
Individual (SmartKey) 169
Lighting (control system) 164
Menus and submenus 145
Resetting all (control system) 160
Resetting in the submenu 161
Selective 94, 100
Settings menu
Functions in 160
Individual vehicle settings 160
Submenus 161
Shelf below rear window
Cleaning 337
Shift lock 448
Shifting
Gear selector lever positions 175
Into optimal gear range (automatic
transmission) 180
Shoulder support
Seat adjustment 123
Side impact air bags 66Side marker lamps
Replacing bulbs 395, 399
Side windows
Automatic closing 209
Automatic opening 209
Cleaning 336
Closing fully (Express-close) 209
Opening 209
Opening fully (Express-open) 209
Stopping 210
Synchronizing power windows 210
Sidewall 324, 448
Simultaneous wiping and washing
Windshield wipers 53
Single wipe 53
SmartKey 92
Battery check lamp 94, 100
Factory setting 94
Global locking 94
Global locking and unlocking 94
Global unlocking 94
Lock button 92
Locking 58
Locking and unlocking 92
Loss of 96
Remote control 92Replacing the batteries 392
Replacing the battery 392
Restoring to factory setting 95
Selective setting 94
Starting the engine 46
Turning off the engine 57
Unlock button 92
Unlocking 32
SmartKey with KEYLESS-GO* 96
Checking the battery 101
Factory setting 99
Global locking 99
Global unlocking 100
Lock button 96
Locking the vehicle 101
Loss of 102
Messages in display 368
Remote control 96
Replacing the battery 392, 393
Selective setting 100
Unlock button 96
Unlocking 33, 96
Snow chains 328
Spare fuses 385
Spare wheel
Mounting 403