Page 420 of 481

419 Practical hints
Flat tire
Detach the electric air pump.
Reinstall collapsible tire valve cap.
Store electrical plug3 and air
hose4 behind flap 1 and place the
electric air pump back in the trunk.
Lower the vehicle (
page 419).Lowering the vehicle
Lower vehicle by turning the crank
counterclockwise until vehicle is rest-
ing fully on its own weight.
Remove the jack.
1-5 Wheel bolts
Tighten the five wheel bolts evenly in
the direction of the arrow, following the
diagonal sequence illustrated
(1to5), until all bolts are tight.
Observe a tightening torque of
80 lb-ft (110 Nm).
Warning!
G
Follow recommended tire inflation
pressures.
Do not underinflate tires. Underinflated tires
wear excessively and / or unevenly,
adversely affect handling and fuel economy,
and are more likely to fail from being over-
heated.
Do not overinflate tires. Overinflated tires
can adversely affect handling and ride
comfort, wear unevenly, increase stopping
distance, and result in sudden deflation
(blowout) because they are more likely to
become punctured or damaged by road
debris, potholes etc.
Warning!
G
Inflate the collapsible tire using the electric
pump (
page 417) before
lowering the ve-
hicle.
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 467 of 481

466 IndexB
BabySmart
TM
Air bag deactivation system 457
Compatible child seats 76, 457
Passenger front air bag off indicator
lamp 77
Back-up lamp 401
Bar 344
BAS 83, 457
Battery (SmartKey)
Replacing 398
Battery (Vehicle) 314, 421
Jump starting 424
Bead 344
Bi-Xenon* 457
Headlamps 401
Brake Assist System see BAS
Brakes 294
Brake fluid 306, 451
Display message 375
SLK 55 AMG 295
Warning lamp 363
Break-in period 292
Bulbs
Front/rear lamps 401
Replacing 400, 401C
CAC 457
California, important notice 11
CAN system 458
Capacities (Fuels, coolants, lubricants,
etc.) 449
Cargo compartment cover 253
Carpets, cleaning 359
Catalytic converter 302
CD
Changer* 219, 266
Player/Changer*, operation 131,
219
CD changer* (Audio system) 223
Center console 28
Lamp 367
Central locking
Automatic 101, 147
From outside (SmartKey) 62
Locking/unlocking from inside 102
Certification label 436
CHECK ENGINE indicator lamp 364
Child safety
Air bags 66
Children in the vehicle 75Cigarette lighter 270
Cleaning tires 319
Climate control 178
Air conditioning 187
Air recirculation mode 185
Control panel, overview 179
Switching on/off 181
Clock 122
Cockpit 458
Overview 22
Cold tire inflation pressure 344
Collapsible tire 458
Collapsible wheel chock 390
COMAND* 122, 458
Navigation 132
Radio transmitter 301
Combination switch 114
High beam flasher 114
High beam headlamps 55, 114
Low beam headlamps 55
Turn signals 55
Windshield wipers 56
Comfort driving
Transmission program mode* 163
Compatible child seat see BabySmart
TM
Page 471 of 481

470 IndexH
Hard plastic trim items, cleaning 359
Hazard warning flasher 117
Head restraint height (Seats) 41
Headlamps
Bi-Xenon* 401, 457
Cleaning system* 173, 315, 456
Night security illumination (Control
system) 145
Switching off 60
Switching on 55
Headliner, cleaning 360
Head-thorax air bag 71, 459
Heating
Seats* 104
Steering wheel* 288
High beam
Flasher 115
Headlamps 55, 115
Headlamps, bulbs 401
High mounted brake lamp 401
High-performance brake system
(SLK 55 AMG) 295
Hood 307
Horn 23
Hydroplaning 297I
Identification labels see Labels
Ignition (Position in starter switch) 36
Immobilizer see Anti-theft systems
Infant and child restraint systems 75
Instrument cluster 25, 120, 459
Clock 122
Lamps, indicator and warning 362
Overview 24
Instruments and controls see Cockpit
Interior rear view mirror see Mirrors
Intermittent/interval wiping see Wind-
shield wipers
J
Jack (Vehicle tool kit) 388
Lifting vehicle 413
Lowering vehicle 419
Jump starting 424K
Key 209
Kickdown (Automatic
transmission*) 162, 459
Kilopascal 345
Kneebag see Air bags
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