Page 306 of 384
306 Practical hintsReplacing bulbs
Switch off the lights.
Open trunk.
Turn lock counterclockwise and move
the trim to the side.
Turn bulb socket counterclockwise and
pull out.
Gently twist bulb counterclockwise and
pull out of bulb holder.
Insert new bulb into the holder and turn
it clockwise.
Reinstall bulb socket.
The bulb socket should audibly click.
Replace trim and secure with lock. License plate lamp
1Screws
Switch off the lights.
Loosen both screws1 and remove
lamp.
Replace the tubular lamp and reinstall
lamp.
Retighten the screws.
Page 310 of 384
310 Practical hintsFlat tire1Jack 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 arm
2Jack support tube hole
3Crank
Insert jack arm1 fully into tube hole2
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.
Page 312 of 384

312 Practical hintsFlat tireLowering the vehicle
Lower vehicle by turning crank coun-
terclockwise until vehicle is resting ful-
ly on its own weight.
Remove the jack.
1-5 Wheel bolts
Tighten the five wheel bolts evenly, fol-
lowing the diagonal sequence illustrat-
ed (1 to 5), until all bolts are tight.
Observe a tightening torque of
110 ft lb (150 Nm).
Before storing the jack in the trunk, it
should be fully collapsed, with handle
folded in.
Place the wheel bolt wrench, alignment
bolt and jack back in the vehicle tool kit
in the trunk and close the covering lid.Replacing jack support tube cover
Slide tongue of cover under the upper
edge of the tube opening.
Applying even pressure, press cover
until it snaps into place. Be careful not
to damage the locking tabs or clamp
the plastic retaining strap.
Warning!
G
Have the tightening torque checked after
changing a wheel. The wheels could come
loose if they are not tightened to a torque of
110 ft lb (150 Nm).
!You can also screw the faulty wheel
down into the spare wheel well in the
trunk.
Do not activate the tire inflation pres-
sure monitor* until the depressurized
tire is no longer in the vehicle.
Page 315 of 384
315 Practical hints
Battery
Reconnecting the battery
Turn off all electrical consumers.
Connect the positive lead and fasten its
cover 4.
Connect negative lead 3.Batteries contain materials that can harm
the environment if disposed of improperly.
Large 12-volt storage batteries contain
lead. Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.!Never invert the terminal connections.!The battery, its filler caps and the vent
tube must always be securely installed
when the vehicle is in operation.
iThe following procedures must be car-
ried out following any interruption of
battery power (e.g. due to reconnect-
ing):
Set the clock. Refer to the separate
COMAND operating instructions.
Resynchronize the ESP
(page 283).
Resynchronize side windows
(page 172).
Resynchronize sliding/pop-up roof
(page 175).
Page 357 of 384

357 Index
Cleaning
Cup holder 260
Distronic* system sensor cover 259
Gear selector lever 260
Hard plastic trim items 260
Headlamps 154
Headliner 261
Instrument cluster 260
Leather upholstery 261
Light alloy wheels 260
Parktronic* system sensor 259
Plastic and rubber parts 261
Seat belts 261
Steering wheel 260
Windows 260
Windshield 47
Wiper blades 259
Clock 23
Closing
Cup holder 204
Glove box 199
Hood 238
Side windows 170
Side windows with KEYLESS-GO* 86
Sliding/pop-up roof 173, 301
With SmartKey 174Sliding/pop-up roof with
KEYLESS-GO* 86, 172, 175
Trunk 90
Windows 169
Windows with
KEYLESS-GO* 172, 175
Windows with SmartKey 171
Closing sliding/pop-up roof
In an emergency 301
Cockpit 20, 347
Cockpit management and data system
(COMAND) 348
COMAND 348
COMAND see separate operating instruc-
tions
Combination switch 111
High beam flasher 46, 111
Turn signals 46
Windshield wipers 47
Consumer information 345
Control and operation of radio
transmitters 232
Control system 117, 348
AUDIO menu 122
Convenience submenu 140
Display digital speedometer 122Distronic* menu 128
Functions 119, 121
Instrument cluster submenu 134
Lighting submenu 135
Malfunction memory menu 130
Menus 120, 121, 349
Multifunction display 117
Multifunction steering wheel 118
NAVI menu 127
Operating
CD player 123
Selecting radio system 122
Settings menu 131
Standard display menu 122
Submenus 119, 121
TEL* menu 125
Trip computer menu 129
Vehicle submenu 139
Convenience submenu 140
Activating easy-entry/exit
feature 140
Setting automatic locking 139
Setting fold-in function for exterior rear
view mirrors 142
Setting parking position for exterior
rear view mirror 142