Page 423 of 481

422 Practical hints
Battery
Charging and reinstalling the batteryCharge battery in accordance with the
instructions of the battery charger
manufacturer.
Reinstall the charged battery. Follow
the previously described steps in re-
verse order.
Reconnecting the battery
Turn off all electrical consumers.
Remove the SmartKey from the starter
switch.
Connect the positive lead and fasten its
cover.
Connect the negative lead.
Install the luggage box (page 397).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.
Warning!G
Never charge a battery while still installed in
the vehicle unless the accessory battery
charge unit* approved by Mercedes-Benz is
being used. Gases may escape during charg-
ing and cause explosions that may result in
paint damage, corrosion or personal injury.
An accessory battery charge unit* specially
adapted for Mercedes-Benz vehicles and
tested and approved by Mercedes-Benz is
available, permitting the charging of the
battery in its installed position. Contact an
authorized Mercedes-Benz Center for infor-
mation and availability. Charge battery in
accordance with the separate instructions
for the accessory battery charger*.
!The battery, its filler caps and the battery
ventilation tube must always be securely in-
stalled when the vehicle is in operation.
!Never invert the terminal connections!
iThe following procedures must be carried
out following any interruption of battery power
(e.g. due to reconnection):
Set the clock (page 157) (see COMAND
operator’s manual).
Synchronize the side windows
(
page 207).
Synchronize the tilt/sliding sunroof
(
page 212).
Page 466 of 481

465 Index
Interior lighting 133
Delayed shut-off 162
Interior rear view mirror 47, 183
Auto dimming 183
Interior storage space see Storage com-
partments
J
Jack 396
Jacking up the vehicle 414
Jump starting 423
K
Key, Mechanical 398
Loss of 108
Key, SmartKey
Battery check lamp 103
Checking batteries 108
Factory setting 101
Global locking 102, 103
Global unlocking 102
Locking/unlocking 100, 103
Loss of 108
Messages in display 380
Opening and closing the power
tilt/sliding sunroof 208Opening and closing the
windows 208
Remote control 100
Replacing batteries 402
Restoring to factory setting 103
Selective setting 102
Starter switch positions 38
Starting the engine 51, 52
Turning off the engine 60
Key, SmartKey with KEYLESS-GO*
Battery check lamp 103
Checking batteries 108
Factory setting 106
Global locking 106, 107
Global unlocking 106, 107
Locking/unlocking 103
Locking/unlocking, Selective
setting 107
Loss of 108
Messages in display 380, 381, 385
Opening and closing the power
tilt/sliding sunroof 208
Opening and closing the
windows 208
Opening the trunk 109
Remote control 103Replacing batteries 402
Restoring to factory setting 107
Selective setting 107
Starter switch positions 39
Starting the engine 52
Turning off the engine 61
KEYLESS-GO* see Key, SmartKey with
KEYLESS-GO*
Kickdown 173
Kilopascal 324
Knee bag 70
L
Labels
Certification 434
Emission control information 435
Lamp bulbs, exterior 404
Lamps, exterior
Front 405
Messages in display 382
Rear 406
Replacing bulbs 404
Switching on/off 126
Page 470 of 481

469 Index
Parktronic* 234
Activating/deactivating 237
Cleaning system sensors 337
Malfunctioning 237
Minimum distance 235
Range 234
System sensors 337
Warning indicators 25, 236
Warning sounds 237
Parts service 432
PASS AIR BAG OFF indicator lamp see
Front passenger front air bag off indica-
tor lamp
Passenger compartment
Interior lighting 133
Interior rear view mirror 47
Main fuse box 429
Parcel net in the front passenger
footwell 245
Passenger safety see Occupant safety
Pedals 271
Phone see Telephone*
Plastic parts, cleaning 339
Pliers, universal (vehicle tool kit) 395
Poly-V-belt drive
Layout 436Positions (Memory function) see Seats
Power assistance 272
Power outlet 250
Power seat see Seats 43
Power tilt/sliding sunroof 210
Opening/closing 210
Stopping 212
Synchronizing 212
Power washer 334
Power windows 205
Cleaning 338
Operating 205
Rear door window, blocking
operation 87
Side windows 205
Synchronizing 207
Practical hints 344
PRE-SAFE
®
Messages in display 360, 368
Problems
While driving 58
With vehicle 17
Product information 9
Production options weight 325
Program mode see Automatic transmis-
sion, Automatic shift programProgram mode selector switch
Automatic shift program 175
PSI 325
Push-start see Tow-start
R
RACETIMER 146
Radio
Selecting stations 149
Selecting stations (satellite*) 149
Radio transmitters 280
Reading lamp
Front 133
Rear 134
Rear door ashtray see Ashtrays 249
Rear door window
Blocking operation 87
Rear fog lamp see Fog lamps
Rear lamp 406
Rear lamps see Tail lamps
Rear seat head restraints see Head re-
straints
Rear storage compartment in the rear cen-
ter console 244
Rear view mirrors see Mirrors
Rear window defroster 186
Rear window sunshade* 185
Page 473 of 481

472 Index
Storing
Positions into memory (Memory
function*) 124
Tires 295
Submenus see Control system submenus
Substitute bulbs see Auxiliary bulbs
Sun visors 184
Sunroof see Power tilt/sliding sunroof
Sunshade*, rear window 185
Suspension tuning
For comfortable driving style 230
For sporty driving style 230
Symbols used in this operator’s
manual 15
T
Tachometer 27, 138
Overspeed range 138
Tail lamps
Messages in display 386, 387
Replacing bulbs 409
Tar stains 334Technical data
Air conditioning refrigerant 450
Brake fluid 450
Capacities fuels, lubricants etc. 448
Coolant 452
Dimensions 447
Electrical system 446
Engine 437
Engine oil additives 450
Engine oils 450
Fuel requirements 451
Gasoline additives 452
Premium unleaded gasoline 451
Rims and tires 438
Washer and headlamp cleaning
system 449
Weights 447Tele Aid 256
Emergency calls 257
Information 260
Initiating an emergency call
manually 258
Messages in display 388
Remote door unlock 261
Roadside assistance 259
SOS button 258
Stolen vehicle Recovery services 262
System self-check 257
Telephone cradle
Changing 255
Telephone* 28, 253
Answering/ending a call 167
Changing mobile phone cradle 255
Compartment 243
Hands-free microphone 31
Inserting in cradle 254
Installing a different mobile phone
cradle 255
Messages in the display 391
Operation 166
Phone book 167
Redialing 168
Removing from cradle 255
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