Page 24 of 489
23 At a glance
Cockpit
Item
Page
1
Steering wheel gearshift
buttons (CLK 500 only)
178
2
Combination switch
Turn signals
Windshield wipers
High beam
53
53
52
3
Cruise control lever
254
4
Multifunction steering
wheel
26,
144
5
Instrument cluster
24,
140
6
Starter switch
34
7
Front Parktronic* warning
indicator (Canada only)
258
8
Overhead control panel
29
Item
Page
9
Glove box
269
a
Cup holder
273
b
Center console
27, 28
c
Hood lock release
308
d
Horn
e
Steering wheel adjustment
stalk
41
f
Parking brake pedal
50
g
Door control panel
30
h
Parking brake release
50
j
Exterior lamp switch
52,
131
k
Exterior rear view mirror ad-
justment
43
l
Headlamp washer switch*
180
Page 228 of 489

227 Controls in detail
Audio system
Ejecting a CD
Make sure the system is switched on.
Press EJECTbutton.
The system ejects the CD.
NO CD
will
appear in the display.
Remove CD from slot.
Operational readiness of CD changer*
If a CD changer has been installed in the
vehicle, it can be operated from the front
control panel of the audio system. A load-
ed magazine must be installed to play CDs.
The CD changer is located in the glove box.Loading/unloading the CD magazine
Slide changer door to the right and
press gbutton.
Magazine will be ejected.
1CD
2CD changer
3CD tray
4CD magazine
Remove magazine4 and pull
CD tray3 fully out.
Place CD1 in recess of tray, label side
up.
Push tray into magazine in the direction
of arrow.
Push magazine into CD changer*2 in
the direction of arrow and close sliding
door.
iIf you do not take the CD out of the CD
slot within approximately 15 seconds,
the system automatically pulls the CD
back in and plays it.
If a CD is pulled back in, press the
EJECTbutton for five seconds; the CD
will then be ejected.
iThe CD changer* may not be able to
play audio CDs with copy protection.
iImproperly inserted or unreadable CDs
will not be played.
Page 270 of 489

269 Controls in detail
Useful features
Useful features
Storage compartments Glove box
1Glove box lid
2Glove box lid release
Opening the glove box
Pull glove box lid release2.
The glove box lid1 opens downward.
Closing the glove box
Push glove box lid1 up to close.Storage box (Center armrest design A)
The storage box is in front of the armrest
storage compartment.
1Storage box
Warning!
G
To help avoid personal injury during a colli-
sion or sudden maneuver, exercise care
when storing objects in the vehicle. Put lug-
gage or cargo in the trunk if possible. Do not
pile luggage or cargo higher than the seat
backs.
Parcel nets cannot secure hard or heavy ob-
jects.
Keep compartment lids closed. This will help
to prevent stored objects from being thrown
about and injuring vehicle occupants during
an accident.
iAudio system/COMAND* with CD
changer*: The CD changer is located in
the glove box.
Warning!
G
Do not use this storage compartment as an
ashtray and/or place hot cigarettes or other
hot smoking materials in the storage box.
Placing such materials in the storage box
may cause vehicle damage and/or poten-
tially cause a vehicle fire.
Page 475 of 489

474 IndexG
Garage door opener 29, 287
Gasoline see Fuel
GAWR 342
Gear range 175, 462
Automatic transmission 175
Limiting 175
Shifting into optimal 177
Gear selector lever 48, 170
Cleaning 357
Lock 49
Message in display 380
One-touch gearshifting 177
Position 170, 172
Position indicator 144, 170
Unlocking in an emergency 406
Global locking/unlocking see
Key, SmartKey or KEYLESS-GO*
Global Positioning System see GPS
Glove box 269
Gloves 398
Good visibility 180
GPS 462Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GVW 342
GVWR 343
H
Halogen headlamp see Headlamps
Hands-free microphone 29
Hard plastic trim items, cleaning 357
Hazard warning flasher 137
Head restraints 38, 122
Active head restraints 73
Front seat 122
Power seat, Adjusting 38
Rear seat 122
Rear seat, Folding back 123
Rear seat, Placing upright 124
Rear seat, Removing/installing 124
Headlamp
cleaning system* 180, 316, 453
Headlamp delayed shut-off see
Delayed shut-off,Exterior lampsHeadlamps
Automatic headlamp mode 132
Bi-Xenon* 461
Cleaning lenses 355
Daytime running lamp mode 133
Halogen 414
High beam see High beam flasher
High beam see High beam headlamps
Light sensor 392
Locator lighting 133
Low beam see Low beam headlamps
Manual headlamp mode 132
Messages in display 391–395
Night security illumination 133
Replacing bulbs 412, 414
Switch 52, 131
Headliner and shelf below rear window,
Cleaning and care of 358
Heated seats* 126
High beam flasher 52, 135
Replacing bulbs (Bi-Xenon*) 412
Replacing bulbs (Halogen) 412
Page 484 of 489

483 Index
Storage compartments 269
Armrest, Front 271, 272
Armrest, Rear 272
Cup holder 273
Glove box 269
Parcel net 270
Storage bags 270
Storage box 269
Storing
Tires 319
Submenus see Control system submenus
Sun visors 183
Sunroof* see Power tilt/sliding sunroof*
Sunshade* (Canada only) 184
Supplemental Restraint System see SRS
Symbols used in
this operator’s manual 15T
Tachometer 25, 142
Overspeed range 142
Tail lamps
Cleaning lenses 355
Messages in display 394
Replacing bulbs 413, 417
Tar stains 352
Technical data
Air conditioning refrigerant 454
Brake fluid 454
Capacities fuels,
coolants, lubricants etc. 452, 453
Coolant 453, 457
Electrical system 450
Engine 444
Engine oil 454
Engine oil additives 454
Fuel capacity 453
Fuel requirements 455
Gasoline additives 456
Lubricants 452
Premium unleaded gasoline 455Rims and tires 445
Tires, Mixed size 448
Tires, Same size 447
Tires, Spare wheel sizes 449
Vehicle dimensions 451
Weights 451
Windshield washer and headlamp
cleaning* system 453, 459
Tele Aid 29, 279, 466
Call priority 285
Emergency calls 281
Hands-free microphone 29
Information 283
Initiating an
emergency call manually 282
Messages in display 397
Remote door unlock 286
Roadside Assistance 282
SOS button 282
Stolen Vehicle
Recovery services 286
System self-check 280
Tele Aid System 279
Telematics* 466