Contents
Introduction.......................................... 9
Product information ................................ 9
Operator’s Manual ............................... 10
Service and warranty information .. 10
Important notice for California
retail buyers and lessees of
Mercedes-Benz automobiles .......... 11
Maintenance .................................. 12
Roadside Assistance ...................... 12
Change of address or ownership.... 12
Operating your vehicle
outside the USA or Canada ............ 13
Where to find it .................................... 14
Symbols ............................................... 15
Operating safety .................................. 16
Proper use of the vehicle ............... 16
Problems with your vehicle .................. 17
Reporting safety defects...................... 18
Reporting safety defects ................ 18
Vehicle data recording ......................... 19
Information regarding electronic
recording devices ........................... 19
At a glance.......................................... 21
Cockpit ................................................. 22
Instrument cluster ................................ 24
Multifunction steering wheel ................ 26
Center console ..................................... 27
Upper part ...................................... 27
Lower part ...................................... 28
Overhead control panel ........................ 29
Door control panel................................ 30
Getting started................................... 31
Unlocking ............................................. 32
Unlocking with the SmartKey ......... 32
Unlocking with KEYLESS-GO*......... 33
Starter switch positions .................. 34
Adjusting .............................................. 37
Seats .............................................. 37
Steering wheel ................................ 41
Easy-entry/exit feature................... 42
Mirrors ............................................ 43
Driving .................................................. 45
Fastening the seat belts ................. 45
Starting the engine ......................... 48
Parking brake ................................. 50
Driving ............................................ 51
Switching on headlamps ................. 52
Turn signals .................................... 53
Windshield wipers ........................... 53
Problems while driving.................... 56
Parking and locking .............................. 57
Parking brake ................................. 57
Switching off headlamps................. 58
Turning off the engine..................... 58
Releasing seat belts........................ 59
Locking ........................................... 59
ContentsSafety and Security........................... 61
Occupant safety................................... 62
Air bags .......................................... 63
Seat belts ....................................... 69
Active head restraints .................... 73
Roll bars ......................................... 74
Children in the vehicle .................... 75
Blocking of rear side
window operation ........................... 85
Panic alarm .......................................... 86
Activating ....................................... 86
Deactivating ................................... 86
Driving safety systems ......................... 87
ABS ................................................ 87
BAS ................................................ 88
ESP
®.............................................. 89
Anti-theft systems................................ 92
Immobilizer..................................... 92
Anti-theft alarm system .................. 92
Tow-away alarm ............................. 94
Controls in detail............................... 95
Locking and unlocking ......................... 96
SmartKey ....................................... 96
SmartKey with KEYLESS-GO* ...... 100
Opening the doors
from the inside ............................. 107
Opening the trunk ........................ 108
Closing the trunk.......................... 110
Trunk emergency release ............. 115
Valet locking ................................ 116
Automatic central locking ............ 117
Locking and unlocking
from the inside ............................. 118
Seats ................................................. 119
Front seat active head restraints . 119
Rear seat head restraints ............. 119
Multicontour seat* ....................... 121
Seat heating* ............................... 122
Seat ventilation* .......................... 123
Memory function ............................... 124
Storing positions into memory ..... 125
Recalling positions from memory . 125
Storing exterior rear view
mirror parking position................. 126Lighting ............................................. 127
Exterior lamp switch .................... 127
Combination switch ..................... 131
Corner-illuminating front
fog lamps* (CLK with
Bi-Xenon* headlamps)................. 132
Hazard warning flasher ................ 133
Interior lighting ............................ 134
Door entry lamps ......................... 135
Trunk lamp ................................... 135
Instrument cluster ............................. 136
Instrument cluster illumination .... 136
Coolant temperature indicator ..... 137
Trip odometer .............................. 137
Tachometer.................................. 138
Outside temperature indicator ..... 138
Control system .................................. 139
Multifunction display.................... 140
Multifunction steering wheel........ 140
Menus .......................................... 142
Standard display menu ................ 144
AUDIO menu ................................ 145
NAV* menu .................................. 146
Vehicle status
message memory menu ............... 146
Settings menu.............................. 148
Contents
Maximum tire inflation pressure .. 352
Uniform Tire Quality Grading
Standards (U.S. vehicles) ............. 353
Tire ply material ........................... 354
Tire and loading terminology ........ 355
Rotating tires ............................... 358
Winter driving .................................... 359
Winter tires .................................. 359
Block heater (Canada only) .......... 360
Snow chains................................. 360
Maintenance ...................................... 361
Maintenance
service indicator message............ 361
Clearing the maintenance
service indicator message............ 362
Maintenance
service term exceeded ................. 362
Calling up the maintenance
service indicator display............... 362
Resetting the maintenance
service indicator........................... 363
Vehicle care ....................................... 364
Cleaning and care of vehicle ........ 364
Practical hints.................................. 373
What to do if …? ................................. 374
Lamps in instrument cluster ......... 374
Lamp in center console................. 381
Vehicle status messages in the
multifunction display..................... 383
Where will I find...? ............................. 413
First aid kit .................................... 413
Vehicle tool kit .............................. 413
Minispare wheel............................ 416
Spare wheel bolts ......................... 418
Unlocking/locking in an emergency... 419
Unlocking the vehicle.................... 419
Locking the vehicle ....................... 420
Fuel filler flap ................................ 421
Manually unlocking
the gear selector lever .................. 422
Opening/closing in an emergency ..... 423
Operating roll bars manually ......... 423
Soft top emergency operation ...... 425
Resetting activated head restraints .... 434
Resetting
activated head restraints .............. 434Replacing SmartKey batteries ............ 435
SmartKey ...................................... 436
SmartKey with KEYLESS-GO* ....... 437
Replacing bulbs .................................. 438
Bulbs............................................. 438
Replacing bulbs for front lamps .... 440
Replacing bulbs for rear lamps ..... 443
Replacing wiper blades ...................... 444
Removing and installing
wiper blades ................................. 444
Flat tire............................................... 446
Preparing the vehicle .................... 446
Mounting the Minispare wheel...... 447
MOExtended system* ................... 452
Battery ............................................... 453
Disconnecting the battery ............ 454
Removing the battery ................... 454
Charging and
reinstalling the battery.................. 455
Reconnecting the battery ............. 455
Jump starting...................................... 456
28 At a glanceCenter consoleLower part
Item
Page
1
Ashtray
Cigarette lighter
284
286
2
KEYLESS-GO* start/stop
button
35
3
Compartment in center
armrest (depending on vehi-
cle production date):
Design A (illustrated in the
picture)
Design B
281
282
4
Soft top switch
256
5
Program mode selector
switch for automatic trans-
mission
Automatic shift program
Manual shift program
(CLK 55 AMG)
172
179
6
Gear selector lever for
automatic transmission
166
33 Getting started
Unlocking
Unlocking with KEYLESS-GO*
With the KEYLESS-GO function, you can
lock and unlock the vehicle without using
the remote control buttons on the
SmartKey and start the engine without in-
serting the SmartKey in the starter switch.
Pull an outside door handle.
All turn signal lamps flash once. The
vehicle unlocks. The locking knobs in
the doors move up. The anti-theft alarm
system is disarmed.
Enter the vehicle.For more information, see “SmartKey with
KEYLESS-GO*” (
page 100).
iTo unlock the vehicle, the SmartKey
with KEYLESS-GO must be outside the
vehicle, no further than approx. 3 feet
(1 meter) away from the door.
Warning!
G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO with you, and
lock the vehicle. 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.
iOpening a door causes the windows on
that side of the car to open slightly.
They will return to the up position when
the door is closed.
34 Getting startedUnlockingStarter switch positions
SmartKeyStarter switch
0For removing SmartKey
The steering is locked when the
SmartKey is removed from the starter
switch.
1Power supply for some electrical
consumers, such as seat adjustment.
2Ignition (power supply for all electrical
consumers) and driving position. All
lamps (except low beam headlamp in-
dicator lamp, high beam headlamp indi-
cator lamp, and turn signal indicator
lamps unless activated) in the instru-
ment cluster come on. If a lamp in the
instrument cluster fails to come on
when the ignition is switched on, have
it checked and replaced if necessary. If
a lamp in the instrument cluster re-
mains on after starting the engine or
comes on while driving, refer to “Lamps
in instrument cluster” (
page 374).
3Starting position.
Warning!
G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. 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.
iWhen you switch on the ignition, the
indicator and warning lamps (except
low beam headlamp indicator lamp,
high beam headlamp indicator lamp,
and turn signal indicator lamps unless
activated) in the instrument cluster
come on. The indicator and warning
lamps (except low beam headlamp
indicator lamp, high beam headlamp
indicator lamp, and turn signal indica-
tor lamps if activated) will go out when
the engine is running. This indicates
that the respective systems are
operational.iThe SmartKey can only be removed
from the starter switch with the gear
selector lever in position P.
35 Getting started
Unlocking
For more information, see “SmartKey”
(page 96).
For information on starting the engine us-
ing the SmartKey, see “Starting with the
SmartKey” (
page 49).SmartKey with KEYLESS-GO*
Pressing the KEYLESS-GO start/stop but-
ton on the gear selector lever corresponds
to turning the SmartKey to the various
starter positions.
If you firmly depress the brake pedal dur-
ing pressing the KEYLESS-GO start/stop
button, the engine starts automatically.
You can also use the SmartKey with
KEYLESS-GO like a normal SmartKey.
KEYLESS-GO start/stop button1USA only
2Canada only
The SmartKey with KEYLESS-GO must be
located in the vehicle.
Make sure the gear selector lever is set
toP.
Do not depress the brake pedal.
!If the SmartKey cannot be turned in the
starter switch, the battery may not be
sufficiently charged.
Check the battery and charge it if
necessary (
page 453).
Get a jump start (
page 456).
To prevent accelerated battery dis-
charge or a completely discharged bat-
tery, always remove the SmartKey from
the starter switch when the engine is
not in operation.
iThe function of the SmartKey overrules
the KEYLESS-GO function.
36 Getting startedUnlockingPosition 0
Before you press the KEYLESS-GO
start/stop button, the vehicle’s on-board
electronics have status0 (as with
SmartKey removed).
Position 1
Press the KEYLESS-GO start/stop
button once.
This supplies power for some electrical
consumers, such as seat adjustment.Ignition (or position 2)
Press the KEYLESS-GO start/stop but-
ton twice.
This supplies power for all electrical
consumers. All the lamps (except low
beam headlamp indicator lamp, high
beam headlamp indicator lamp, and
turn signal indicator lamps unless acti-
vated) in the instrument cluster come
on. If a lamp in the instrument cluster
fails to come on when the ignition is
switched on, have it checked and re-
placed if necessary. If a lamp in the in-
strument cluster remains on after
starting the engine or comes on while
driving, refer to “Lamps in instrument
cluster”(
page 374).For more information, see “SmartKey with
KEYLESS-GO*” (
page 100).
For information on starting the engine
using the KEYLESS-GO start/stop button,
see “Starting with KEYLESS-GO*”
(
page 49).
iIf you now press the KEYLESS-GO
start/stop button
once again, the ignition (position2)
is switched on.
twice, the power supply is again
switched off.
iIf you now press the KEYLESS-GO
start/stop button once, the power sup-
ply is again switched off.
iWhen you switch on the ignition, the in-
dicator and warning lamps (except low
beam headlamp indicator lamp, high
beam headlamp indicator lamp, and
turn signal indicator lamps unless acti-
vated) in the instrument cluster come
on. The indicator and warning lamps
(except low beam headlamp indicator
lamp, high beam headlamp indicator
lamp, and turn signal indicator lamps if
activated) will go out when the engine
is running. This indicates that the re-
spective systems are operational.