Page 370 of 458

368 Practical hintsUnlocking/locking in an emergencyUnlocking the trunk
A minimum height clearance of 6.3 ft
(1.90 m) is required to open the trunk lid.
The trunk lid lock is located next to the
handle above the rear license plate recess.
1Unlocking and opening
2Trunk lid lock
Insert the mechanical key into the
trunk lid lock until it stops.
Turn the mechanical key counterclock-
wise to position1.
The trunk unlocks and opens.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey or the SmartKey with
KEYLESS-GO*, do the following:
Close the passenger doors and the
trunk lid.
Press the central locking switch in the
center console (
page 111).
Check to see whether the locking
knobs on the passenger doors have
moved down.
If necessary push them down manually.
Except for the driver's door, the vehicle
should now be locked.1Unlocking
Remove the mechanical key out of the
SmartKey (
page 367).
Insert the mechanical key into the driv-
er’s door lock until it stops.
Turn the mechanical key clockwise to
position 1.
The driver’s door is locked.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
Page 395 of 458

393 Practical hints
Towing the vehicle
Installing towing eye bolt
1Cover on right side of front bumper
2Cover on right side of rear bumperRemoving cover
Press mark on cover in direction of ar-
row.
L i f t c o v e r o f f t o r e v e a l t h r e a d e d h o l e f o r
towing eye bolt.
Installing towing eye bolt
Take towing eye bolt and wheel wrench
out of trunk (
page 365).
Screw towing eye bolt clockwise into
its stop and tighten with wheel wrench.
Removing towing eye bolt
Loosen towing eye bolt counterclock-
wise with wheel wrench.
Unscrew towing eye bolt.
Store towing eye bolt and wheel
wrench in trunk.
Installing cover
Fit cover and snap into place.
!When towing the vehicle with all wheels
on the ground, please note the follow-
ing:
With the automatic central locking acti-
vated and the SmartKey in starter
switch position2, or KEYLESS-GO*
start/stop button (
page 35) in
position2, the vehicle doors lock if the
left front wheel as well as the right rear
wheel are turning at vehicle speeds of
approx. 9 mph (15 km/h) or more.
Switch off the tow-away alarm
(
page 87).
To prevent the vehicle door locks from
locking, deactivate the automatic cen-
tral locking (
page 162).
Towing of the vehicle should only be
done using the properly installed tow-
ing eye bolt. Never attach tow cable,
tow rope or tow rod to the vehicle chas-
sis, frame or suspension parts.
Page 422 of 458

420 Technical termsCAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or
windshield wiping.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.
COMAND
(C
ockpit M
anagement and D
ata Sys-
tem)
Information and operating center for
vehicle sound and communications
systems, including the radio and navi-
gation system, as well as other optional
equipment (CD changer, telephone,
etc.).Control system
The control system is used to call up
vehicle information and to change
component settings. Information and
messages appear in the multifunction
display. The driver uses the buttons on
the multifunction steering wheel to
navigate through the system and to ad-
just settings.
Cruise control
Driving convenience system that auto-
matically maintains the vehicle speed
set by the driver.Distronic*
A driving convenience cruise control
system which helps the driver maintain
a pre-selected speed:
If there is no vehicle directly ahead,
the system operates in the same
way as conventional ->cruise con-
trol.
If a slower moving vehicle is ahead,
Distronic will reduce your vehicle
speed to the extent permitted by re-
duced throttle and up to 20% brak-
ing power to maintain the preset
minimum following distance.
Page 424 of 458

422 Technical termsLine 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 accord-
ingly.
Memory function
Used to store three individual seat,
steering wheel and exterior mirror posi-
tions for each SmartKey or SmartKey
with KEYLESS-GO*.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.
Multifunction steering wheel
Steering wheel with buttons for operat-
ing the control system.Overspeed range
Engine speeds within the red marking
of the tachometer dial. Avoid this en-
gine sp ee d ra nge , a s i t m ay re sul t in s e-
rious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.
Parktronic system (Parking assist)*
System which uses visual and acoustic
signals to assist the driver during park-
ing maneuvers.
Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.
Page 434 of 458

432 IndexDigital speedometer 141
Direction of rotation (tires) 286
Discharged battery
Jump starting 389
Disconnecting
Vehicle battery 387
Displays
Digital speedometer 141
Distronic* 210
Messages 276
Service indicator 315
Showing malfunctions 152
Vehicle status messages 335
Distance
Decreasing in Distronic* 216
Increasing in Distronic* 216
Setting in Distronic* 215
Warning function 216
Distance to empty (range)
Calling up 150Distance warning function* 216
Activating 217
Deactivating 217
Distronic* warning lamp 216
Intermittent warning sound 216
Symbol in multifunction display 149
Distronic* 208, 420
Activated 212
Activating 213
Calling up settings 149, 211
Cleaning system sensor 320
Cruise control lever 212
Deactivated 212
Deactivating 215
Deceleration 211
Decreasing distance 216
Decreasing time interval 215
Displays in the speedometer dial 210
Distance warning function 216
Driving hints 217Fine adjustment 214
Increasing distance 216
Increasing time interval 215
Intermittent signal tone 210
Menu 211
Messages in display 339
Resetting stored speed 214
Sensor cover 320
Setting a higher speed 213
Setting a lower speed 214
Setting following distance 215
Setting the current speed 213
Warning and indicator lamps 210
Document holder 231
Door control panel 30
Door entry lamps 132
Door handle 30
Door unlock
With Tele Aid 249
Page 435 of 458

433 Index
Doors
Message in display 347
Opening from inside vehicle 100
Opening from outside 92, 97
DOT 309
Downhill driving
Cruise control 206
Downshifting 167
Drink holder see Cup holder 235
Drinking and driving 259
Driving
Abroad 267
General instructions 45, 259
Hydroplaning 263
In winter 265
Problems 56
Safety systems 80
Through standing water 266
With Distronic* 217
Driving abroad 267
Driving instructions 259Driving off 262
Driving safety systems
ABS 80
BAS 81
ESP 82
Driving systems 205
ABC 220
Cruise control 205
Distronic* 208
Driving safety systems 80
Parktronic system* 224
Vehicle level control 221
E
Easy-entry/exit feature 112
Activating 163
Electrical fuses 394
Electrical system 409
Electrically folding exterior rear view
mirrors 180
Electronic Stability Program see ESP 82,
421Emergency calls
Initiating an emergency call 244
With Tele Aid 243
Emergency operation (Limp Home
Mode) 177
Emergency operations
Closing tilt/sliding sunroof 370
Locking the vehicle 368
Opening tilt/sliding sunroof 370
Remote door unlock 249
Unlocking the vehicle 367
Emergency tensioning device see
ETD 71, 421
Emission control 268
Emission control information label 400
Ending
A call (telephone) 147
Engine 402
Compartment 273
Message in display 328, 329
Starting 48
Starting with KEYLESS-GO* 49
Starting with the key 48
Turning off with the key 59
Page 437 of 458

435 Index
Front lamps
Messages in display 352–355
Replacing bulbs 374, 376
Switching on 125
Front passenger front air bag off indicator
lamp 334
Front seat
Head restraints 114
Head restraints installing 114
Head restraints removing 114
FSS (Flexible Service System) 315
FSS (Flexible Service System) (Canada
vehicles) 421
Fuel 271
Fuel reserve warning lamp 329
Premium unleaded gasoline 271
Reserve warning lamp 25
Fuel consumption statistics
After start 150
Since last reset 151
Fuel filler flap 270
Locking 270
Opening 369
Unlocking 270Fuel tank
Filler flap 270
Fuels, coolants, lubricants etc. 411
Functions (control system) 138, 140
Resetting 154
Fuse box 395, 396
Fuse chart 365
Fuses 394
Auxiliary fuse box in trunk 395
Fuse box in engine compartment 396
Fuse box in passenger
compartment 395
Fuse chart 365
Fuse extractor 365
Spare fuses 365
G
Garage door opener 250
Erasing in remote control 255
Integrated remote control 252
Rolling code programming 253Gasoline see Fuel 271
GAWR 309
Gear range 421
Automatic transmission 168
Limiting 168
Shifting into optimal 167
Gear range limit
Canceling 167
Gear selector lever
Cleaning 322
Position (Automatic
transmission) 169
Position (automatic
transmission) 165
Gearshift pattern for automatic
transmission 48, 165
Global
Locking 92
Global Positioning System (GPS) 421
Glove box 23, 232
Closing 232
Locking 232
Opening 232
Unlocking 232
Page 441 of 458

439 Index
Interior 130
Locator lighting 127
Low beam 125
Manual headlamp mode 126
Night security illumination 127
Parking lamps 125
Rear fog lamp 128
Settings (control system) 157
Trunk 131, 132
Limiting opening height of trunk lid* 102
Limiting the gear range 168
Limp Home Mode 177
Line of fall 422
Loading 229
Cargo tie-down hooks 230
Instructions 229
Roof rack 229
Loading terminology 309
Loading the vehicle 286
Locator lighting 127
Setting 159Lock button 422
Door handle (KEYLESS-GO*) 60
SmartKey 32, 90
SmartKey with KEYLESS-GO* 94
Trunk 99
Lock buttons 32
Locking 57, 90
Central (SmartKey with
KEYLESS-GO*) 97
Fuel filler flap 270
Global, SmartKey 92
Glove box 232
Vehicle in an emergency 368
Vehicle with KEYLESS-GO* 99
Loss of
Mechanical key 94
SmartKey 94
Loss of Smartkey with
KEYLESS-GO* 100
Low beam headlamps
Messages in display 352, 353
Replacing bulbs 374Lowering
Vehicle 384
Lumbar support adjustment 117
M
Main Dimensions 410
Maintenance 12, 315
Maintenance service
Calling up the maintenance service
indicator 316
Overdue 316
Maintenance service indicator
Calling up 316
Clearing 315
Resetting 316
Maintenance System (U.S. vehicles) 422
Manual headlamp mode 126
Manual operations
Fuel filler flap 369
Interior lighting control 131
Locking the vehicle 368
Tilt/sliding sunroof 370
Unlocking the driver’s door 367