121 Controls in detail
Memory function
Memory function
You can store up to three different settings
per SmartKey or SmartKey with
KEYLESS-GO*.
The following settings are stored when
using the buttons on the driver’s door:
Driver’s seat, backrest and head
restraint position
Steering wheel position
Exterior rear view mirror position
These key-dependent memory settings
can be deactivated if desired. For informa-
tion on key-dependent memory settings,
see “Setting key-dependency”
(
page 160).The following settings are not
key-dependent. They are stored when us-
ing the buttons on the passenger door:
Front passenger seat, backrest and
head restraint position
!Prior to operating the vehicle, the
driver should check and adjust the seat
height, seat position fore and aft, and
seat backrest angle if necessary, to
ensure adequate control, reach and
comfort. The head restraint should also
be adjusted for proper height. See also
the section on air bags (
page 61) for
proper seat positioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, opera-
tion and comfort. Both the interior and
exterior rear view mirrors should be
adjusted for adequate rear vision.
Fasten seat belts. Infants and small
children should be seated in a properly
secured restraint system that complies
with U.S. Federal Motor Vehicle Safety
Standards 213 and 225 and Canadian
Motor Vehicle Safety Standards 213
and 210.2.
Warning!
G
Do not activate the memory function while
driving. Activating the memory function
while driving could cause the driver to lose
control of the vehicle.
122 Controls in detailMemory functionThe memory button and memory position
switch are located on the door.
1Memory button
2Memory position switch
Switch on ignition (
page 36).
or
Open the respective door and insert
the SmartKey in the starter switch.
Storing positions into memory
Adjust the seats, steering wheel and
exterior rear view mirrors to the
desired position (
page 38).
Turn memory position switch2 to the
desired memory position.
Press memory button1.
Release memory button1 and press
memory position switch2 within
three seconds.
All settings are stored to the selected
position.
Recalling positions from memory
Turn memory position switch2 to the
desired memory position.
Press and hold memory position
switch2 until the seat, steering wheel
and exterior rear view mirrors have
completely moved to the stored
positions.!Do not operate the seats using the
memory button if the seat backrest is
in an excessively reclined position.
Doing so could cause damage to front
or rear seats.
First move the seat backrest to an
upright position.iReleasing the memory position switch
stops movement to the stored
positions immediately.
159 Controls in detail
Control system
Activating easy-entry/exit feature
Use this function to activate and deacti-
vate the easy-entry/exit feature.
Move the selection marker with
buttonæ orç to the
Convenience
submenu.
Press buttonj ork repeatedly
until the message
Function
Easy-entry feature appears in the
multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to change
the easy-entry/exit setting.The following settings are available for the
easy-entry/exit feature:
Warning!
G
You must make sure no one can become
trapped or injured by the moving steering
wheel and the driver’s seat when the
easy-entry/exit feature is activated.
To cancel seat/steering wheel movement,
do one of the following:
Press seat adjustment switch
(page 38).
Move steering column stalk
(page 40).
Press memory position switch
(page 122).
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
off
The easy-entry/ex-
it feature is deacti-
vated.
Steering col.
Only the steering
column is moved.
Steer. col. + seat
Both the steering
column and the
seat are moved.
160 Controls in detailControl systemSetting key-dependency
Use this function to set whether the
memory settings for the seats, the steering
wheel and the mirrors should be stored
separately for each SmartKey
(page 121).
Move the selection marker with
buttonæ orç to the Convenience
submenu.
Press buttonj ork repeatedly
until the message
Key-dependent
appears in the multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to set
key-dependency to
on or
off
. Setting parking position for exterior rear
view mirror
Use the
Mirror adjustment parking aid
function to select whether the passen-
ger-side exterior rear view mirror should be
turned downward during parking maneu-
vers, when reverse gearR is engaged. For
additional information, see “Activating ex-
terior rear view mirror parking position”
(
page 180).
Move the selection marker with
buttonæ orç to the Convenience
submenu.
Press buttonj ork repeatedly
until the message
Mirror adjustment
parking aid
appears in the multifunc-
tion display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
function
on or
off
.
Trip computer menu
Use the trip computer menu to call up sta-
tistical data on your vehicle.
The following information is available:Function
Page
Fuel consumption statistics after
start
161
Fuel consumption statistics
since last reset
161
Call up range (distance to empty)
162
457 Technical terms
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer,
coolant temperature and fuel gauge.
KEYLESS-GO*
System for entering and operating the
vehicle without the use of a SmartKey.
Kickdown
Depressing the accelerator past the
point of resistance shifts the transmis-
sion down to the lowest possible gear.
This very quickly accelerates the vehi-
cle and should not be used for normal
acceleration needs.Line of fall
The direct line that an object moves
downhill when influenced by the force
of gravity alone.
Lock button
Button on the door which indicates
whether the door is locked or un-
locked. Pushing the lock button down
on an individual door from inside will
lock that door.
Maintenance System (U.S. vehicles)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. The Maintenance
System in your vehicle tracks distance
driven and the time elapsed since your
last maintenance service, and calls for
the next maintenance service
accordingly.Memory function*
Used to store three individual seat,
steering wheel and mirror positions for
each SmartKey or, if so equipped,
KEYLESS-GO* feature.
Menu
The control system displays are ar-
ranged in menus. Each menu contains
a number of commands for particular
systems.
MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized meth-
od. It is an indication of a gasoline's
ability to resist undesired detonation
(knocking). The average of both the
MON (Motor Octane Number) and
->RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.
Multifunction display
Display field in the speedometer used
to present information provided by the
control system.
468 Index
Headlamps 56
Immobilizer 89
Interior lighting
delayed switch-off 157
Rear window defroster 183
Residual heat 205
Seat heating* 119
Seat ventilation* 120
Tow-away alarm 91, 92
Deep water see Standing water
Defogging
Windshield 189, 199
Defrosting 189, 200
Delayed switch-off
Interior lighting 157
Department of Transportation see DOT
Dialing
A number (telephone) 163
Difficulties
While driving see
Problems while driving
With starting 48
Digital speedometer 142
Direction of rotation (tires) 319
Discharged battery
Jump starting 423Disconnecting
Vehicle battery 421
Display
Selecting 150, 151
Display elements
Audio system 208
Displays
Digital speedometer 142
Maintenance service indicator 344
Messages 311, 362
Selecting 150
Showing vehicle
status message memory 145
Distance to empty (range)
Calling up 160
Door control panel 30
Door entry lamps 133
Door handle 30
Door unlock
With Tele Aid 286
Doors
Message in display 378
Opening from inside vehicle 105
Opening from outside 96, 101
DOT 338Downhill driving
Cruise control 257
Downshifting
Automatic transmission 167
Drinking and driving 295
Driving
General instructions 43, 295
Hydroplaning 299
In winter 301
Problems 54
Safety systems 84
Through standing water 302
Traveling abroad 302
Driving instructions 295
Driving off 297
Driving safety systems
ABS 84
BAS 85
ESP 86
Driving systems 255
Cruise control 255
Parktronic system* 260
476 IndexMenus 138
AUDIO 143
Control system 140, 457
NAV 144
Settings menu 146
Standard display 142
Submenus 139
TEL* 162
Trip computer 160
Vehicle status message memory 145
Messages
Displaying 145
Vehicle status message memory 145
Microphone
Hands-free microphone 29
Miles/kilometers in speedometer
Setting 149
Minispare wheel
(except CLK 55 AMG) 393
Technical data 443Mirrors
Activating exterior rear
view mirror parking position 180
Adjusting 41
Auto-dimming rear view mirrors 178
Exterior rear view mirror 41
Exterior rear
view mirror parking positions 160
Interior rear view mirror 41
Storing exterior rear
view mirror parking position 123
MON (Motor Octane Number) 306, 457
Mph or km/h in speedometer 149
Multicontour seat* 118
Multifunction display 137, 457
Displaying gear range 168
Selecting language 150
Setting date (day) 153
Setting date (month) 153
Setting date (year) 154
Standard display 141Multifunction display messages
ABS 365
BAS 366
Battery 373
Brake fluid 374
Brake pads 374
Check engine 356
Coolant 376
Coolant level 375
Cruise control 367
Display 378
Doors 378
Engine 356
Engine oil 379
ESP 367
Fog lamps, front 382
Fuel cap 356
Fuel reserve tank 381
Gear selector lever 372
High beam headlamps 383
Hood 381
Key 381
Lamp sensor 383
Lamps 383
License plate lamp 383
Low beam 383
479 Index
Parts service 434
PASS AIR BAG OFF indicator lamp see
Front passenger front
air bag off indicator lamp
Passenger compartment 302
Fuse box in 430
Interior lighting 132
Interior rear view mirror 41
Parcel net in
front passenger footwell 274
Rear armrest 274
Storage bags, rear side
of the front seats 274
Passenger safety see Occupant safety
Pedals 295
Phone book*
Loading 163
Quick search 164
Phone number*
Dialing 163
Redialing 164
Plastic and rubber parts
Cleaning 352
Playing
CDs 228Poly-V-belt drive 458
Layout 437
Positions (Memory function)
Recalling from memory 122
Storing into memory 122
Potential problems associated with under-
inflated and overinflated tires 327
Power assistance 295
Power seat
Adjusting backrest tilt 38
Adjusting head restraint height 38
Adjusting head restraint tilt 39
Adjusting seat cushion tilt 38
Adjusting seat height 38
Front seat head restraints 114
Seat fore and aft adjustment 38
Power tilt/sliding sunroof* 251
Closing 251, 401
Closing with KEYLESS-GO* 250, 253
Closing with SmartKey 253
Opening 251, 401
Opening with SmartKey 253
Stopping 252
Synchronizing 254Power train 458
Power washer 348
Power windows 247
Blocking of rear window operation 82
Side windows 247
Synchronizing 250
Practical hints
Collapsible tire
(CLK 55 AMG only) 394
Collapsible wheel chock 392
First aid kit 389
Fuses 429
Lamp in center console 360
Lamps in instrument cluster 354
Messages in the display 362
Minispare wheel
(except CLK 55 AMG) 393
Spare wheel bolts 396
Towing the vehicle 425
Unlocking/locking
in an emergency 397
Vehicle jack 389, 391
Vehicle tool kit 389