35 Getting started
Adjusting
Seat adjustment
The seat adjustment switches are located
in each door.
1Seat height
2Seat fore and aft adjustment
3Seat cushion tilt
4Backrest tilt
5Head restraint height
Turn the key in the starter switch to
position1or2.
or
Press the KEYLESS GO* start/stop
button once or twice.
or
Open the driver’s or passenger door.
Seat height
Press the switch up or down in the di-
rection of arrow1.
Seat fore and aft adjustment
Press the switch forward or backward
in the direction of arrow2.
Adjust to a comfortable seating posi-
tion that still allows you to reach the
accelerator / brake pedal safely. The
position should be as far to the rear as
possible, consistent with ability to
properly operate controls.
A child’s risk of serious or fatal injuries is
significantly increased if the child restraints
are not properly secured in the vehicle and
the child is not properly secured in the child
restraint.
iWhen moving the seat, be sure that
there are no items in the footwell or be-
hind the seats. Otherwise you could
damage the seats.
37 Getting started
Adjusting
Folding backrests forward
Pull the release lever forward and
swing the backrest to the front.
Folding backrests to the rear
Fold back and push the backrest until
the seat cushion and backrest audibly
engage into the driving position.
More information can be found in the
“Controls in detail” section (
page 97).
Steering wheel Steering wheel adjustment
The stalk is located on the steering column
(lower left).
1Steering column, lengthen or shorten
2Steering column, height
Turn the key in the starter switch to
position1or2.
or
Press the KEYLESS GO* start/stop
button once or twice.
or
Open the driver’s door.
iThe head restraint is automatically low-
ered.
Warning!
G
Do not adjust the steering wheel while driv-
ing. Adjusting the steering wheel while driv-
ing could cause the driver to lose control of
the vehicle.
When leaving the vehicle always remove the
key from the starter switch, take the Smart-
Key with KEYLESS-GO* (if so equipped) with
you and lock your vehicle.
The electrical steering wheel adjustment
feature can also be operated with the driv-
er’s door open. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.
100 Controls in detailSeatsMulticontour seat*
Some models may be equipped with multi-
contour seats. This seat has a movable
seat cushion and inflatable air cushions
built into the seat backrest to provide addi-
tional lumbar and side support.
The seat cushion movement, backrest
cushion height and curvature can be con-
tinuously varied with regulators on the
right side of the seat after turning the
SmartKey in the starter switch to
position2 or pressing the KEYLESS-GO*
start/stop button twice.1Seat cushion depth
2Backrest bottom
3Backrest center
4Side bolster adjustment
Adjusting the multicontour seat in the or-
der listed above is recommended.
Make sure that the ignition is switched
on.
All lamps in the instrument cluster light
up.The seat cushion movement, backrest
cushion height and curvature can be ad-
justed with regulators1, 2 and3.
The side bolsters of the seat backrest can
be adjusted with rocker switch4:
Press to the left.
Side support will be increased.
Press to the right.
Side support will be decreased.iWhen the engine is turned off, the last
cushion setting is retained in memory,
and the cushion is automatically ad-
justed to this setting when the engine
is restarted.
367 Index
A
ABS 23, 74, 361
ABS control 75
Malfunction indicator lamp 277
Messages in display 284
Warning lamp 277
Accelerator position, automatic transmis-
sion 146
Accident
In case of 49
Activating
Air conditioning (cooling) 163
Air recirculation mode 160
Anti-theft alarm system 80
Automatic climate control 155
Central locking (control system) 133
Charcoal filter 161
Distance warning function* 205
Distronic* 201
Easy-entry/exit feature 133
ESP 78
Exterior headlamps 46
Exterior lamps 106
Front and rear fog lamp 106
Hazard warning flasher 108
Headlamps 46High beams 108
Ignition 31
Ignition with KEYLESS-GO* start/stop
button 33
Immobilizer 51, 79
Rear window defroster 162
Residual heat 163
Seat heater* 101
Tow-away alarm 81
Windshield wipers 48
Activating steering wheel gearshift control
147
Downshifting 148
Upshifting 147
Adding
Coolant 257
Engine oil 255
Additional turn signals 317
Adjustable air vents, rear passenger com-
partment 164Adjusting 34
Air distribution 158
Air volume 159
Backrest tilt 36
Exterior rear view mirror 38
Head restraint height 36
Head restraint tilt 36
Inside rear view mirror 38
Instrument cluster illumination 111
Mirrors 38
Multicontour seat* 100
Seat cushion depth 100
Seat cushion tilt 36
Seat fore and aft adjustment 35
Seat height 35
Seats 34
Steering column height 38
Steering column length 38
Steering wheel 37
Air conditioning (cooling)
Turning off 163
Turning on 163
Air conditioning refrigerant 353
Air distribution
Adjusting 158
377 Index
GPS 363
GPS see COMAND* 233
H
Hand-held transmitter
Programming integrated remote con-
trol 236
Hands-free microphone 27
Hard plastic trim items
Cleaning 273
Hazard warning flasher 108
Switching off 108
Switching on 108
Head restraints 97
Headlamp cleaning system* 259
Headlamps
Automatic control 106
Bi-Xenon 361
Cleaning 271
Cleaning system* 151, 259
Refilling washer fluid 259
Switching off 51
Switching on 46
Washer fluid 357
Washer system* 357
Headliner
Cleaning 273Heated seats* 101
Height adjustment
Head restraints 36
Steering wheel 37
High beam flasher 47, 108
High beam headlamps
Messages in display 298
Replacing bulbs 317, 319
Switching on 108
High mounted brake lamp 317
Hood 253
Closing 254
Message in display 296
Opening 253
Hydroplaning 245
I
Identification labels 342
Ignition 31, 33
Switching on 44
Immobilizer 79
Activating 79
Deactivating 79
Indicator lamps see Lamps, indicator and
warningInfant and child restraint systems 66
Installing 70
LATCH child seat mounts 71
Information
About service and warranty 10
Button for Tele Aid* 232
Inside rear view mirror
Adjusting 38
Antiglare 149
Installing
Infant and child restraint systems 70
Towing eye bolt 336
Wiper blades 323
Instrument cluster 22, 111, 363
Cleaning 273
Coolant temperature display 112
Illumination 111
Lamps in 276–280
Multifunction display 114
Outside temperature indicator 113
Selecting language 127
Instruments and controls see Cockpit 20
383 Index
Passenger compartment 247
Fuse box in 337
Inside rear view mirror 38
Interior lighting 109
Parcel net in front passenger footwell
222
Storage bags, rear side of the front
seats 222
Passenger safety see Occupant safety 56
Pedals 241
Phone book*
Loading 139
Quick search 139
Phone number*
Dialing 139
Redialing 140
Plastic and rubber parts
Cleaning 273
Playing
CDs 179
Poly-V-belt drive 364
Layout 343
Positions (Memory function)
Recalling from memory 103
Storing into memory 103
Power assistance 241Power seat
Adjusting backrest tilt 36
Adjusting head restraint height 36
Adjusting head restraint tilt 36
Adjusting seat cushion tilt 36
Adjusting seat height 35
Front seat head restraints 98
Seat fore and aft adjustment 35
Power train 364
Power washer 269
Power windows 187
Blocking of rear window operation 72
Side windows 187
Synchronizing 189
Practical hints
First aid kit 305
Fuses 337
Lamp in center console 282
Lamps in instrument cluster 276
Messages in the display 283
Minispare wheel 307
Spare wheel bolts 309
Towing the vehicle 334
Vehicle jack 306
Vehicle tool kit 305
Premium unleaded gasoline 354Problems
While driving 49
With vehicle 17
Product information 9
Program mode selector switch 364
Automatic transmission 145
Q
Quick search
Phone book* 139
R
Radio
Selecting stations 120
Station search 120
Station selection setting 132
Radio mode 171
Radio see Radio mode
Radio transmitters, control and operation
248
Range (distance to empty)
Calling up 137
Rapid seat heating*
Switching on 101
Reading lamp 27
Rear bench seat
Foldable 215
388 IndexSpeedometer 23
Displaying gear range 143
Displays 198
Settings units 126
Speedometer display mode
Selecting 126
Speedshift
Downshifting 148
Upshifting 147
Speedshift, CLK 55 AMG 146
Split rear bench seat 215
SRS 64, 365
Indicator lamp 278
Standing lamps 105
Replacing bulbs 317, 319, 321
Standing water
Driving instructions 247
Starter switch 21, 31
Positions 31
Starting difficulties 44
Starting position 31
Starting the engine 43
Station (radio)
Search 120
Station selection
Setting 132Steering column
Height adjustment 38
Length adjustment 38
Steering gear oil
Message in display 300
Steering wheel
Adjusting 37
Buttons 24
Cleaning 273
Electrical adjustment 37
Height adjustment 38
Steering wheel gearshift control
Downshifting 148
Upshifting 147
Steering wheel gearshift control (Speed-
shift), CLK 55 AMG 146
Stolen vehicle
Tracking services 235
Stopping
Sliding/pop-up roof 191
Windows 188
Storage bags 222
Storage compartments
Glove box 219
Storage spaces
Cup holder 220, 221Storing (Memory function)
Positions into memory 103
Submenus
Convenience 133
For settings 116
In control system 118
Instrument cluster 126, 128
Lighting 129
Resetting functions in Control system
124
Selecting 124
Settings menu 124
Vehicle 132
Sun visors 152
Supplemental Restraint System (SRS) 365
Switching off
Audio system 168
Automatic central locking (control sys-
tem) 133
Engine 51
ESP 78
Hazard warning flasher 108
Headlamps 51
Seat heating 101