Page 375 of 464

375 Practical hints
Unlocking/locking in an emergency
Unlocking and opening the trunk
A minimum height clearance of
5.78 ft (1.76 m) is required to open the
trunk lid.
The trunk lid lock is located next to the
handle above the rear license plate recess.Trunk lid lock1Unlocking in an emergency
Fully insert the mechanical key into the
trunk lid lock.
Turn the mechanical key counterclock-
wise to position1 until it stops,
and simultaneously
pull the trunk lid handle and lift lid.
Turn the mechanical key back and re-
move it from the trunk lid lock.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey, do the following:
Close the passenger door and the trunk
lid.
Press the central locking switch in the
upper part of the center console
(page 98).
Check to see whether the lock button
on the passenger door has moved
down.
If necessary, push it down manually.
The passenger door is locked.
Exit the vehicle and close the driver’s
door.
!Always make sure there is sufficient
overhead clearance.
Page 431 of 464

431 Technical terms
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Accessory weight
(
page 323)
Air pressure
(page 323)
AIRSCARF neck-level heating
AIRSCARF neck-level heating provides
the surrounding area of the occupants’
necks with a heated air stream flowing
from openings in the head restraints.
Alignment bolt
Metal pin with thread. The centering
pin is an aid used when changing a tire
to align the wheel with the wheel hub.
Aspect ratio
(page 323)BabySmart
TM1
air bag deactivation
system
This system detects if a special
system-compatible child restraint seat
is installed on the passenger seat.
The system will automatically
deactivate the passenger front air bag
when such a seat is properly installed
(the 75indicator lamp
located in the center console comes
on).
BabySmart
TM
compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the pas-
senger front air bag if a BabySmart
TM
compatible child seat is installed. See
an authorized Mercedes-Benz Center
for availability.
Bar
(
page 323)BAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.
Bead
(
page 323)
Bi-Xenon headlamps
Headlamps which use an electric arc as
the light source and produce a more in-
tense light than filament headlamps.
Bi-Xenon headlamps produce low
beam and high beam.
CAC
(Customer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.
1BabySmart
TM
is a trademark of Siemens
Automotive Corp.
Page 441 of 464

441 Index
Bi-Xenon
Description 431
Headlamps 381
Bolts
For spare wheel 373
Brake Assist System see BAS
Brakes 274
Brake fluid 286, 424
Display message 356
Salty roads 274
SLK 55 AMG 275
Warning lamp 343
Break-in period 272
Bulbs
Front/rear lamps 380
Replacing 380
Buttons (Audio system) 194C
CAC 431
California, important notice 11
CAN system, description 432
Capacities
(Fuels, coolants, lubricants, etc.) 422
Catalytic converter 282
CD
Changer 250
Player/changer, operation 125
CD changer (Audio system) 207, 209
CD operation (Audio system) 207
Center console
Lamp 347
Overview 28
Central locking
Automatic (Control system) 141
Automatic (When driving) 97
From outside (SmartKey) 59
Locking/unlocking from inside 97
Central locking/unlocking switches 98
Certification label 410
CHECK ENGINE indicator lamp 344Child safety
Air bags 64
Children in the vehicle 73
Cigarette lighter 254
Cleaning tires 299
Climate control 172
Air conditioning 178
Air distribution 176
Air recirculation mode 176
Air volume 176
Control panel, overview 175
Defrosting 181
Maximum cooling 179
Rear window defroster 171
Switching on/off 175
Temperature 175
Clock 116
Cockpit
Description 432
Overview 22
Cold tire inflation pressure 323
Collapsible tire, description 432
Collapsible wheel chock 371
Page 448 of 464

448 IndexK
Key 197
Key-dependency (Control system) 143
Kickdown 159
Description 433
Kilometers/miles in speedometer
(Control system) 131
Kilopascal 324
Kneebag see Air bagsL
Labels
Certification 410
Emission control 410
Engine number 410
Identification 410
Vacuum line routing diagram 410
VIN (Vehicle Identification
Number) 410
Lamp in center console 347
Lamps in instrument cluster 342
Lamps, indicator and warning
ABS 342
Battery (SmartKey) 92
Brakes 343
CHECK ENGINE 344
ESP 82, 84, 345
Fuel reserve 345, 346
Passenger front air bag off 347
Seat belts 346
SRS 62, 63, 346
Language in multifunction display
(Control system) 132
Layout of poly-V-belt drive 411
License plate lamps 381Light alloy wheels
Cleaning 339
Technical data 414, 415
Lighter see Cigarette lighter
Lighting 106
Combination switch 110
Cornering fog lamps 111
Daytime running lamp mode 108
Door entry lamps 114
Exterior lamp switch 106
Exterior lamps, cleaning 337
Fog lamps 109
Hazard warning flasher 112
Headlamp mode,
automatic/manual 107
High beam 110
High beam flasher 110
Individual settings
(Control system) 137
Instrument cluster illumination 115
Interior delayed shut-off
(Control system) 140
Interior lighting 113
Locator lighting (Control system) 138
Low beam headlamps 106