216 Controls in detail
Audio system
Playing CDs
Single CD player in the audio unit
Pressi button.
CD0 will appear in the upper left-hand 
corner of the display.
The CD will resume playback at the point 
where it was switched off.
CD changer*
Press Q button.
CD and the selected magazine slot 
number appear in the upper left-hand 
corner of the display.
If you have not removed a CD since the last 
time the CD audio source was activated, 
the last CD listened to will begin to play at 
the point where it was switched off.
After the last track on a CD has finished, 
the next CD is automatically played.Playing tracks
You have the following options:
Audio system with CD changer*: 
selecting CDs
Direct track entry
Track skip forward/reverse
Fast forward/reverse
Scan
Random tracks
Repeat track
Selecting CDs in the audio unit with 
CD changer*
You can select from among the 
inserted CDs with buttons 
Rto6.
R = CD player in the audio unit 
1to6 = CDs in the 
CD changer*
The magazine slot number of the 
selected CD appears next to 
CD in the 
display, and the number of the 
currently played track appears next 
to
TRACK.
iIf there is no CD in the selected magazine 
slot, 
NO CD appears in the display with the 
corresponding slot number. 
460 Index
Gear shifting malfunctions 167
Gearshift pattern 52
Kickdown 159
Kickdown, manual shift 
program* 167
Manual shift program* 165
Program mode selector switch 161
Shifting procedure 156
Steering wheel gearshift control 
one-touch gearshifting* 163
B
Backup lamp
Messages in the multifunction 
display 383
Replacing bulbs 402
Bar 331
BAS 86
Batteries (SmartKey)
Replacing 398
Battery (Vehicle) 302, 422
Charging 424
Jump starting 426
Messages in the multifunction 
display 372
Bead 331
Bi-Xenon headlamps* 401Brake Assist System see BAS
Brakes 280
Brake fluid 292, 454
Messages in the multifunction 
display 373
SLK 55 AMG 281
Warning lamp 350
Break-in period 278
Bulbs
Messages in the multifunction 
display 381–386
Replacing 400
C
California retail buyers and lessees, 
Important notice for 11
Call priority, Tele Aid* 268
Capacities and recommended 
fuels/lubricants 451
Carpets, cleaning 345
Catalytic converter 288
CD
Changer* 208, 253
Player/Changer*,
operation 134, 208
CD changer* (Audio system) 212Center console
Lamp 358
Lower part 30
Upper part 29
Central locking
Automatic 102, 146
Locking/unlocking from inside 103
SmartKey 62
Certification label 438
CHECK ENGINE indicator lamp 351
Checking tire pressure electronically
Tire Pressure Monitoring System 
(TPMS), (USA only) 317
Children in the vehicle
Air bags 79
Infant and child restraint systems 79
Occupant Classification System 
(OCS) 71
Passenger front air bag off indicator 
lamp 74, 358
Chrome-plated exhaust tip*
Cleaning 346
Cigarette lighter 32, 256