Page 424 of 481

423 Practical hints
Battery
Charging and reinstalling battery
Charge 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.
Connect the positive lead and fasten its
cover.
Connect the negative lead.
Reinstall the water tray.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 bat-
tery 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 vent
tube must always be securely installed
when the vehicle is in operation.!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 139).
Synchronize the power windows
(page 251).
Page 468 of 481

467 Index
Control system 123, 458
AUDIO menu 129
Convenience* submenu 147
Coolant temperature 128
Instrument cluster submenu 137
Lighting submenu 143
Maintenance service indicator 350
Menus 124
Messages in display 368
Multifunction display 123
Multifunction steering wheel 124
NAV* menu 132
Overview (Menus) 126
Overview (Settings submenus) 136
Resetting 134
Settings menu 134
Standard display 128
TEL* menu 151
Time/date submenu 139
Trip computer menu 149
Vehicle status message memory
menu 132
Vehicle submenu 147
Controller Area Network see CAN systemConvenience closing*
Power windows 249
Retractable hardtop 257
Coolant 313
Adding water 306
Anticorrosion/antifreeze 454
Fuels, coolants, lubricants, etc. 453
Technical data 449
Temperature 303
Temperature, checking (Control
system) 128
Corner-illuminating front fog lamps*
(Lighting) 115
Cruise control 260, 458
Display message 370
Cup holder 268
Curb weight 344
Customer Assistance Center see CACD
Date (Control system) 141, 142
Daytime running lamp mode 112
Control system 143
Deep water see Standing water
Defrosting
Rear window 177
Windshield (Automatic climate
control*) 197
Windshield (Climate control) 184
Department of Transportation see DOT
Difficulties with starting 52
Direction of rotation (Tires) 320
Display text see Messages in display
Doors
Control panel, overview 31
Entry lamps 119
Locking/unlocking from outside 95
Opening from inside 97
Unlocking with Tele Aid 280
DOT 344
Drink holder see Cup holder
Drinking and driving 293
Driver’s air bag see Air bags
Page 474 of 481

473 Index
N
NAV* menu 132
Navigation system see NAV*
Neck-level heating see AIRSCARF* (Seats)
Night security illumination (Control
system) 145
Normal occupant weight 345
O
Occupant distribution 345
Occupant safety 64
Children 66, 75
Infant and child restraint systems 72,
75
Seat belts 47, 68, 71
Oil see Engine oil
One-touch gearshifting* 164
Operating safety 16, 203
Operating vehicle outside the USA and
Canada 13
Operator’s Manual 10
Ornamental moldings see Vehicle care
Outside temperature indicator 121, 129
Outside temperature/speed 138
Overhead control panel 30
Overspeed range 121, 460P
Paintwork see Vehicle care
Panic alarm 80
Parcel net (Storage compartment) 267
Parking 296
And locking 59
Parking aid see Parking position*
Parking brake 52, 59
Parking lamps 110, 401
Parking position* 108
Activation (Control system) 148
Exterior rear view mirrors 175
Parts service 434
Passenger air bag see Air bags
Passenger compartment 301
Passenger front air bag off indicator
lamp 367
Passenger safety see Occupant safety
Phone book see Telephone*
Plastic parts, cleaning 359
Poly-V-belt drive 437, 460
Potential problems associated with under-
inflated and overinflated tires 332
Power outlet 271
Power seat* see Seats
Power train 461Power washer see Vehicle care
Power windows 246
Operating rear side windows 248
Operating with retractable hardtop
switch 248
Summer opening/convenience
closing* 249
Synchronizing 251
Practical hints
Fuses 430
Lamps in instrument cluster 362
Spare wheel bolts 392
Towing vehicle 426
Vehicle jack 389
What to do if... 362
Premium unleaded gasoline 452
Problems
While driving 58
With vehicle 17
Product information 9
Production options weight 345
Program mode selector switch* 461
Automatic transmission* 163
PSI 345
Page 475 of 481

474 IndexR
Radio
Operation (Audio system) 209
Operation (Control system) 129
Satellite* (USA only) 130
Radio transmitters, control and
operation 301
Reading lamps 119
Rear view mirrors see Mirrors
Rear window defroster 177
Recommended inflation pressure 345
Recovery services for stolen vehicle
(Tele Aid) 280
Refrigerant (Air conditioning) 451
Refueling 304
Regular checks 305
Remote control see SmartKey
Remote door unlock with Tele Aid 280
Reporting, safety defects 18
Research Octane Number see RON
Reset button (Instrument cluster) 25
Residual engine heat utilization see RESTREST 461
Automatic climate control* 202
Climate control 188
Restraint systems 461
Retractable hardtop 252, 461
Locking after raising/lowering 255
Opening and closing 252
Operating manually 397
Problems when operating 255
Summer opening/convenience
closing* 257
Wind screen 259
Rims 345, 439
Roadside Assistance 12, 277
Roll bar 462
RON 304, 462
Roof rack 265
Rubber parts, cleaning 359
Run Flat Indicator* 329S
Safety belts see Seat belts
Safety defects, reporting 18
Safety, occupant 64
Satellite radio* (USA only) 130, 214
Seat belts 71
Cleaning 360
Fastening 47
Force limiter 74
Proper use of 49, 73
Release button 49
Safety guidelines 68
Warning lamp 366
Seating capacity 322
Seats 104
Adjusting 38
Easy-entry/exit feature* 43
Head restraint height 41
Heating* 104
Power seats* 40
Selective setting see SmartKey
Selector lever* lock 51, 462
Page 476 of 481

475 Index
Service
Information 12
Maintenance Booklet 12
Service and warranty
Booklet 435
Information 10
Service life (Tires) 318
Service system
Maintenance service indicator 350
Parts service 434
Settings menu (Control system) 134
Shelf behind roll bar 268
Shelf below rear window, cleaning 360
Shift lock* 462
Side marker lamps 401
Side windows see Power windows
Sidewall 345
SmartKey 92
Checking batteries 97
Factory setting 94
Global locking 95
Global unlocking 94
Locking and unlocking 92Loss of SmartKey or mechanical
key 97
Mechanical key 394
Panic button 80
Positions in starter switch 36
Power windows,
opening/closing* 249
Remote control 92
Replacing batteries 398
Restoring to factory setting 96
Retractable hardtop,
opening/closing* 257
Selective setting 95
Starting engine 50
Turning off engine 61
Unlocking the trunk lid 96
Snow chains 349
Spare fuses (Vehicle tool kit) 388
Spare parts see Parts service
Spare wheel 391
SRS 73, 462
Display message 372
Indicator lamp 366Standard display menu (Control
system) 128
Standing lamps 110, 401
Standing water, driving instructions 300
Starter switch positions 36
Starting 36, 50
Difficulties with 52
Position in starter switch 36
Steering column see Steering wheel
Steering wheel
Adjusting 42
Heating* 288
Steering wheel gearshift control
SLK 280* 165
SLK 350* 165
SLK 55 AMG 167
Stolen vehicle, Recovery services
(Tele Aid) 280
Storage compartments 266
Storing tires 319
Summer opening*
Power windows 249
Retractable hardtop 257
Sun visors 176
Supplemental Restraint System see SRS
Symbols in display 374
Page 479 of 481

478 IndexV
Valve extractor (Vehicle tool kit) 388
Vehicle
Battery 314, 421
Bulbs 401
Fuses 430
Individual settings (Control
system) 134
Jump starting 424
Lifting with jack 413
Locking 62
Proper use of 16
Towing 426
Unlocking/locking in an
emergency 394
Vehicle capacity weight 346
Vehicle care 353
Vehicle Identification Number see VIN
Vehicle jack 389
Vehicle loading terminology 344
Vehicle status message memory menu
(Control system) 132
Vehicle tool kit 388
Collapsible wheel chock 390
Vehicle washing see Vehicle care
VIN 436, 463W
Warning sounds
Anti-theft alarm system 87
Driver’s seat belt 71
Exterior lighting 61, 111
Maintenance service indicator 351
Panic alarm 80
Parking brake 53, 363
Tow-away alarm 88
Warranty coverage 435
Washing the vehicle see Vehicle care
Wear pattern (Tires) 347
Weights 448
Wheel bolts 392
Wheel chock (Vehicle tool kit) 388
Wheel wrench (Vehicle tool kit) 388
Wheels see Tires
Wheels, tightening torque 419
Where will I find...? 388
Wind screen 259, 463
Windows see Power windowsWindshield
Washer fluid reservoir 315
Washer system 456
Windshield wipers 56
Replacing wiper blades 406
Wiper blades, cleaning 357
Winter driving 348
Instructions 299
Snow chains 349
Tires 348
Winter tires see Tires
Wood trims, cleaning 360