Page 454 of 521
453 Practical hints
Batteries
Reconnecting the battery
Turn off all electrical consumers.
Remove SmartKey from starter switch.
Connect the positive lead and fasten its
cover.
Connect the negative lead.
Install the luggage box (
page 423).
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!
iThe following procedures must be car-
ried out following any interruption of
battery power (e.g. due to reconnec-
tion):
Set the clock (
page 168)
(see COMAND operator’s manual).
Resynchronize the ESP
®
(
page 391).
Resynchronize the side windows
(page 233).
Resynchronize the tilt/sliding sun-
roof* (
page 238) or the tilt/slid-
ing panel* (
page 242).
Page 463 of 521
462 Practical hintsFusesMain fuse box in passenger compartment
The main fuse box is located behind a cov-
er in the dashboard on the driver’s side.
1Recess in the cover
2CoverOpening
Open the driver’s door.
Insert flat, blunt object as a lever in
recess1 on the edge of cover2.
Loosen cover2 from the dashboard
using lever.
Using your hands, pull cover2 in di-
rection of arrow and remove.
Closing
Hook cover2 into the opening at the
front.
Press cover2 back on until it engag-
es.
Fuse box in trunk
The fuse box is located behind the
left-hand trim panel in the trunk.
Fuse box cover design may vary depending
on vehicle equipment. Cover with turn catches shown 1Cover
2Catches
Opening cover (with turn catches)
Turn catches2 counter-clockwise.
and remove cover1.
Remove cover1.
!Do not use sharp objects such as a
screw driver to open the fuse box
cover2 in the dashboard, as this
could damage it.
Page 464 of 521
463 Practical hintsFuses
Closing cover (with turn catches)
Install cover1 (
page 462).
Turn catches2 (
page 462) clock-
wise.
Opening cover (without turn catches)
Hold cover at recess, press cover
slightly together to release tabs from
behind trim panel and then pull off cov-
er. Closing cover (without turn catches)
Install cover with tabs on one side of
trim panel, then press cover slightly to-
gether to install cover on other side of
trim panel.
Page 504 of 521

503 Index
Center console
Lower part 28
PASS AIR BAG OFF indicator
lamp 384
Upper part 27
Centigrate see Temperature display mode
Central locking
Automatic 129, 174
Locking/unlocking from inside 129
Central locking switch 129
Certification label 468
Checking
Oil level 320
Children in the vehicle 78
Air bags 68
Blocking of rear window operation 89
Indicator lamp, front passenger front
air bag
Infant and child restraint systems 78
LATCH-type child seat anchors 88
Occupant Classification System (OCS)
Cigarette lighter 282Climate control system
4-zone automatic climate
control 214
Air conditioning refrigerant 487
Air conditioning, Cooling 212, 227
Air distribution 208, 222
Air recirculation mode 210, 224
Air volume 209, 223
Automatic mode 206, 220
Control panel, Rear 213, 229
Deactivating system 206, 219
Dual-zone automatic climate
control 202
Front defroster 209, 223
Maximum cooling MAX COOL 224
Rear climate control 229
Residual engine heat (REST) 228
Clock 25, 168
Setting time 169
Cockpit 22, 493
Cockpit Management and Data System
see COMAND
Cold tire inflation pressure 354
Collapsible tire 480
Collapsible wheel chock 424
COMAND 494COMAND see separate COMAND operat-
ing instructions
Combination switch 55, 145
Control system 153, 494
Multifunction display 153
Multifunction steering wheel 154
Resetting to factory default 164
Control system menus 156, 157
AUDIO 159
Distronic* 161
NAV* 161
Settings 163
Standard display 159
TEL* 180
Trip computer 178
Vehicle status message memory 162
Control system submenus 155
Convenience 175
Instrument cluster 166
Lighting 170
Time/Date 168
Vehicle 174
Controller Area Network see CAN system
Convenience submenu
Setting parking position for exterior
rear view mirror 176
Page 505 of 521

504 IndexCoolant
Anticorrosion/antifreeze mixing ratio
and quantity 491
Capacities 485
Checking coolant level 325
Messages in display 403, 404, 405
Temperature 314
Temperature indicator 151
Warning lamp 379
Cruise control 243, 494
Message in display 389
Cup holders 278
Cleaning 370
Curb weight 354
Customer Assistance Center see CAC
D
Date display, setting 169, 170
Daytime running lamp mode 142
Setting 170, 171
Deep water see Standing water
Defogging windshield 209, 224
Defrosting, Front 209, 223
Defrosting, Rear 201
Delayed shut-off
Exterior lamps 172
Interior lighting 173Department of Transportation see DOT
Diesel fuel 316
Diesel see Fuel
Difficulties
While driving 58
With starting 52
Digital clock see Clock
Digital speedometer 159
Dimensions, vehicle 482
Direction of rotation (tires) 331
Displays
Digital speedometer 159
Distronic* 249
Maintenance service indicator 360
Messages in display 398
Multifunction display 153
Outside temperature 153, 167
Symbol messages 398
Text messages 388
Vehicle status message memory 163
Vehicle system settings, Control
system 153
Distance to empty (Range), Trip
computer 178Distronic* 247, 494
Activating/deactivating 252
Cleaning system sensor 368
Control system 161
Distance warning function 256
Driving hints 257
Menu 251
Messages in display 389
Sensor cover 368
Warning and indicator lamps 250
Door
Entry lamps 148
Locking/unlocking, SmartKey 34,
108
Locking/unlocking, SmartKey with
KEYLESS-GO* 35, 114
Message in display 406
Opening from inside/outside 119
Remote door unlock (Tele Aid) 292
Unlocking, Mechanical key 426
Door control panel 32
Door handle 32
DOT 354, 494
Drinking and driving 303
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