Central locking
Automatic ................................ 74, 138
KEYLESS-GO .................................... 71
Locking/unlocking from inside ........75
SmartKey ......................................... 70
Central locking/unlocking switch ..... 75
Certification label .............................. 360
Children in the vehicle
Air bags ........................................... 37
BabySmart™ air bag deactivation
system ............................................. 46
Child safety locks (rear doors) .........60
Child seat anchors – LATCH-type ....59
Indicator lamp, front passenger
front air bag off (Canada only) .........46
Indicator lamp, front passenger
front air bag off (USA only) ..............42
Infant and child restraint systems .... 56
OCS (Occupant Classification
System) ........................................... 42
Override switch ................................ 60
Safety notes ..................................... 55
Tether anchorage points ..................58
Top tether ........................................ 58
Child safety
see Children in the vehicle
Child seat anchors – LATCH-type
see Children in the vehicle
Chrome-plated exhaust tip,
cleaning .............................................. 281
Cigarette lighter ................................ 212
Climate control system .................... 172
3-zone automatic climate control ..181
Air conditioning .....................177, 186
Air conditioning refrigerant ............371
Air distribution ....................... 178, 188
Air recirculation mode ...........180, 190
Air volume ............................. 179, 189
Automatic mode ....................178, 187
Climate control .............................. 175
Deactivating system ..............177, 185
Front defroster ...................... 179, 189
Residual heat and
ventilation .............................. 180, 191
Temperature .......................... 178, 187
Clock ............................................ 28, 135
Cockpit ................................................. 27
Cold tire inflation pressure .............. 255Collapsible wheel chock ................... 286
COMAND system see separate COMAND system
operating instructions
Combination switch .......................... 100
Comfort submenu
Easy-entry/exit feature .................. 139
Fold-in function for exterior rear
view mirrors ................................... 140
Seat belt adjustment feature .........139
Compass
Calling up ....................................... 223
Control system .................................. 125
Multifunction display .....................127
Multifunction steering wheel .........125
Resetting to factory settings ..........132
Control system menus ...................... 127
Audio/DVD .................................... 129
Distronic ........................................ 131
Navigation ..................................... 130
Off-road ......................................... 131
Settings ......................................... 132
Standard display ............................ 128
Telephone ...................................... 142
Trip computer ................................ 141
Vehicle configuration .....................140
Vehicle status message memory ...131
Control system submenus
Comfort ......................................... 139
Instrument cluster .........................133
Lighting .......................................... 136
Time/Date ..................................... 135
Vehicle ........................................... 138
Coolant
Anticorrosion/antifreeze ...............374
Capacities ...................................... 369
Checking level ............................... 231
Messages in the multifunction
display ........................................... 306
Cruise control .................................... 144
Activating ....................................... 145
Canceling ....................................... 146
Changing the set speed .................146
Last stored speed ..........................147
Lever .............................................. 145
Messages in the mutlifunction
display ........................................... 2946IndexX164_AKB; 5; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:30:16+02:00 - Seite 6
LATCH-type child seat anchorssee Children in the vehicle
License plate lamps
Messages in the multifunction
display ........................................... 311
Replacing bulbs ............................. 330
Light alloy wheels, cleaning ............. 279
Lighter see Cigarette lighter
Lighting ................................................ 97
Daytime running lamp mode ............99
Exterior ............................................ 97
Interior ........................................... 101
Limp-home mode .............................. 119
Load index (tires) ...................... 251, 255
Loading see Vehicle loading
Locator lighting ................................. 136
Lock button
Outside door handle (KEYLESS-
GO) .................................................. 73
Locking the vehicle
KEYLESS-GO .................................... 71
Manually ........................................ 324
SmartKey ......................................... 70
Loss of
Key .................................................. 73
Service and Warranty Information
booklet .......................................... 360
Low-beam headlamps ......................... 98
Exterior lamp switch ........................97
Indicator lamp .................................. 29
Switching on .................................... 98
LOW RANGE mode ............................. 120
Messages in the multifunction
display ........................................... 303
Switching ....................................... 121
Lubricants .......................................... 368
Lumbar support ................................... 87
M
Maintenance ........................................ 21
Maintenance System
Service indicator display ................274
Service indicator message .............273
Service term exceeded ..................274
Manual headlamp mode (Low-
beam headlamps) ................................ 98
Maximum engine speed see Vehicle specification
Maximum loaded vehicle weight ..... 256
Maximum load rating (tires) ............. 255
Maximum permissible tire
inflation pressure .............................. 256
Mechanical key .................................. 323
Media interface ................................. 207
Memory function ................................. 96
Menus see Control system menus
Minispare wheel
see Spare wheel
Mirrors .................................................. 93
Auto-dimming rear view mirrors ....... 94
Exterior rear view mirror parking
position ............................................ 95
Exterior rear view mirrors ................94
Interior rear view mirror ...................93
Memory function .............................. 96
Power-folding exterior rear view
mirrors ............................................. 95
Vanity mirror .................................. 210
MOExtended system ......................... 345
MOExtended tires ..................... 345, 365
MON (Motor Octane Number) .......... 371
Motor Octane Number see MON
Multicontour seat ................................ 90
Multifunction display ........................ 127
Symbol messages ..........................299
Text messages ............................... 288
Vehicle status messages ...............287
Multifunction display messages
ABS ....................................... 288, 300
Active headlamps .......................... 310
Advanced TPMS ..................... 297, 313
Air bags ......................................... 291
Air filter .......................................... 309
Air suspension program .................301
Alternator .............................. 296, 308
Automatic
transmission .................................. 296
Battery ................................... 296, 308
Brake fluid ..................................... 30012IndexX164_AKB; 5; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:30:16+02:00 - Seite 12
Brake pads ..................................... 299
Coolant .......................................... 306
Cruise control ................................ 294
Differential locks ...................123, 302
Distronic ........................................ 294
Doors ............................................. 304
Downhill Speed Regulation (DSR) ..303
EBP ................................................ 300
Engine oil ....................................... 308
ESP ®
...................................... 289, 300
Fog lamps .............................. 310, 312
Front passenger front air bag ........291
Gas cap .......................................... 309
High-beam lamps ........................... 311
Hood .............................................. 304
License plate lamps .......................311
Light sensor ................................... 311
Low-beam lamps ............................ 312
LOW RANGE mode ......................... 303
Parking brake ................................ 300
Parking lamps ................................ 311
PRE-SAFE ®
.................................... 290
Reserve fuel ................................... 309
Reverse lamp ................................. 310
Side marker lamps .........................311
SmartKey ....................................... 304
SmartKey with KEYLESS-GO ..........304
SRS ................................................ 301
Tailgate .......................................... 304
Tail lamps ...................................... 312
Tele Aid .......................................... 301
Tire inflation pressure ............297, 313
Tire pressure monitor ....................297
Tires ...................................... 297, 313
Trailer brake lamps ........................312
Trailer tail lamps ............................ 312
Trailer turn signal lamps ................312
Turn signals ................................... 313
Washer fluid ................................... 305
Multifunction steering wheel
Adjustment ...................................... 91
Buttons .......................................... 125
Cleaning ......................................... 280
Easy-entry/exit feature ...........92, 139
Gearshift control ............................ 118
Heating ............................................ 93
Memory function .............................. 96
Overview .......................................... 30N
Navigation menu ............................... 130
Navigation system see Separate operating instructions
NECK-PRO active front head
restraints ............................................. 53
Resetting ....................................... 325
Nets, parcel ....................................... 200
Night security illumination .............. 137
Normal occupant weight .................. 256
Number, vehicle identification
(VIN) ................................................... 361
O
Occupant Classification System see OCS (Occupant Classification
System)
Occupant distribution ....................... 256
Occupant safety
Air bags ........................................... 37
BabySmart™ .................................... 46
Children and air bags .......................37
Children in the vehicle .....................55
Child seat anchors – LATCH-type ....59
Fastening the seat belts ................... 50
Front passenger front air bag off
indicator lamp (Canada
only) ........................................ 46, 322
Front passenger front air bag off
indicator lamp (USA only) ........42, 322
Infant and child restraint systems .... 56
Introduction ..................................... 36
OCS (Occupant Classification
System) ........................................... 42
PRE-SAFE ®
....................................... 52
Seat belts .................................. 39, 48
OCS (Occupant Classification
System) ................................................ 42
Self-test ........................................... 45
Odometer ........................................... 127
Off-road driving ................................. 262
Checklist ............................... 264, 268
Crossing obstacles ........................267
Driving instructions ........................ 262
Driving on sand .............................. 267
Driving through water ....................266
Index13X164_AKB; 5; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:30:16+02:00 - Seite 13
R
Radiator ..................................... 230, 257
Radio
Selecting stations ..........................129
Radio transmitters ............................ 272
Rain sensor see Intermittent wiping
Rear axle oil ....................................... 369
Rear center console ashtray see Ashtrays
Rear doors
Child safety locks ............................ 60
Rear door window
Override switch ................................ 60
Rear fog lamp
see Fog lamps
Rear lamps
see Tail lamps
Rear seats
see Seats
Rear view camera .............................. 169
Cleaning the camera lens ..............278
Rear window defroster ..................... 191
Rear window wiper/washer ............. 104
Recommended tire inflation
pressure ..................................... 234, 256
Refilling
AdBlue ®
......................................... 347
Refrigerant, air conditioning ............ 371
Refueling ............................................ 226
Regular checks .................................. 228
Reminder, Seat belt see Seat belts, Telltale
Remote control
see Key, SmartKey
Remote door unlock (Tele Aid) ......... 219
Replacing
Key .................................................. 74
Replacing bulbs ................................. 328
Reporting safety defects .................... 24
Research Octane Number see RON
Reserve fuel
Messages in the multifunction
display ........................................... 309
Warning lamp ................................... 29
Reset button ................................ 28, 124Reset tool (NECK-PRO active front
head restraints) ................................. 325
Restraint systems see Occupant safety
Rims ........................................... 256, 365
Roadside Assistance ................... 21, 216
RON (Research Octane Number) ..... 371
Rubber parts, cleaning ...................... 279
Run-flat tires see MOExtended tires
S
Safety
Driving safety systems .....................61
Occupant safety ............................... 36
Reporting defects ............................ 24
Safety belts
see Seat belts
Seat belt force limiter ......................... 52
Seat belts ............................................. 48
Adjustment function ........................51
Children in the vehicle .....................55
Cleaning ......................................... 280
Fastening ......................................... 50
Height adjustment ...........................51
Proper use of ................................... 49
Safety guidelines ............................. 39
Safety notes ..................................... 48
Telltale ..................................... 29, 317
Seat heating ......................................... 90
Seating capacity ................................ 243
Seats ..................................................... 82
Adjustment ...................................... 82
Easy-entry/exit feature ....................92
Folding (expanding cargo volume) . 201
Heating ............................................ 90
Memory function .............................. 96
Multicontour seat ............................ 90
Rear seats ........................................ 87
Ventilation ....................................... 90
Securing cargo
Cargo tie-down rings ...................... 200
Selective setting
see Key, SmartKey
Selector lever
see Gear selector lever
Index15X164_AKB; 5; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:30:16+02:00 - Seite 15
Modifications and alterations,
Operating safety .............................. 23
Towing ........................................... 352
Unlocking/locking manually ..........323
Vehicle configuration menu ............. 140
Vehicle dimensions see Vehicle specification
Vehicle Identification Number
(VIN) ................................................... 360
Vehicle jack see Jack
Vehicle level control
see Air suspension program
Vehicle lighting .................................... 97
Vehicle loading
Cargo tie-down rings ...................... 200
Cargo volume, expanding ..............201
Carriers .......................................... 196
Instructions .................................... 194
Load limit ....................................... 243
Terminology ................................... 254
Vehicle maximum load on the tire ... 257
Vehicle specification
GL 350 BlueTEC ............................. 362
GL 450 ........................................... 362
GL 550 ........................................... 363
Vehicle status message memory .... 131
Vehicle tool kit .................................. 284
Vehicle washing see Vehicle care
Vehicle weights
see Vehicle specification
W
Warning lamps see Lamps, Indicator and warning
Warning sounds
Distance warning function .............155
Distronic ........................................ 149
Driver’s or passenger’s seat belt .....51
Parking brake ................................ 300
Parktronic system ..........................169
Seat belt telltale ............................ 317
Warranty coverage ............................ 360
Washer and headlamp cleaning
system ................................................ 375
Washer fluid
Messages in the multifunction
display ........................................... 305
Mixing ratio .................................... 375
Refilling .......................................... 232
Washing the vehicle .......................... 275
Wear pattern (tires) .......................... 249
Weights (vehicle) see Vehicle specification
Wheel
Changing ....................................... 336
Removing ....................................... 343
Spare ............................................. 336
Tightening torque ........................... 344
Wheels, sizes ..................................... 365
Wheels, Tires and .............................. 233
Window curtain air bags ..................... 42
Windows see Power windows
Windows, cleaning ............................ 278
Windshield
Cleaning wiper blades .................... 278
Infrared reflecting ..........................223
Washer fluid ................................... 375
Wipers ........................................... 103
Windshield wipers
Replacing wiper blades ..................334
Winter cover .............................. 230, 257
Winter driving
Instructions .................................... 258
Radiator cover ............................... 257
Snow chains .................................. 258
Tires ............................................... 257
Winter tires ................................ 257, 365
Wood trims, cleaning ........................ 280Index19X164_AKB; 5; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:30:16+02:00 - Seite 19
The PRE-SAFE®
system takes preventive
measures to better protect the occupants
from the possibility of personal injuries in the
following hazardous situations:
R emergency braking maneuvers with the
Brake Assist System (BAS) ( Y page 63)
activated
R critical dynamic driving situations, e.g.
when the vehicle has been caused to
understeer or oversteer because it has
exceeded its physical limitations or in case
of evasive steering maneuvers at speeds
above approximately 85 mph (140 km/h)
PRE-SAFE ®
takes the following measures
when it is activated:
R The front seat belts are pre-tensioned
automatically.
R Vehicles with front passenger seat memory
function: If the passenger seat is in an
unfavorable position, the seat will be
adjusted to a position that seeks to better
protect the occupant.
R If the vehicle is in a critical dynamic driving
situation, the door windows close, except
for a minimal gap that remains open.
R Vehicles with power tilt/sliding sunroof: If
the vehicle is in a critical dynamic driving
situation, the tilt/sliding sunroof also
closes, except for a minimal gap that
remains open.
If the closing procedure of any of these
elements is blocked, it will stop and open
slightly.
Once the hazardous situation no longer exists
and an accident has been avoided, the seat
belt pre-tensioning is deactivated. All of the
PRE-SAFE ®
settings can be re-adjusted
following the critical driving event.
If the seat belts do not release:XAdjust the seat backrest or seat slightly to
the rear until the seat belt tension is
reduced.
The locking mechanism releases.! When moving the seats, make sure there
are no items in the footwell or behind the
seats. Otherwise, you could damage the
seats and/or the items.
For information on the seat belt adjustment
function as an integrated comfort feature of
PRE-SAFE ®
, see ( Y page 51).
NECK-PRO active front head
restraints
The NECK-PRO active front head restraints
are intended to offer the driver and front
passenger increased protection from
whiplash-type injuries. In the event of a rear-
end collision, the NECK-PRO active front head
restraints on the front seats are designed to
move forward in the direction of travel. They
thus provide the head with increased support
earlier on in the collision sequence. The
NECK-PRO active front head restraints will
move forward whether the seats are occupied
or not.
GWarning!
Do not attach any objects (e.g. hangers) to the
head restraint posts. Otherwise, the NECK-
PRO active front head restraints may not be
able to function properly or offer the intended
degree of protection they were designed for
in the event of a rear-end collision.
GWarning!
Only use seat or head restraint covers which
have been tested and approved by Mercedes-
Benz for your vehicle model.
Using other seat or head restraint covers may
interfere with or prevent the activation of the
NECK-PRO active front head restraints and/
or the deployment of the front side impact air
bags.
Contact an authorized Mercedes-Benz Center
for availability.
When the NECK-PRO active front head
restraints have been triggered in an accident,
the NECK-PRO active front head restraints
Occupant safety53Safety and securityX164_AKB; 5; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:30:16+02:00 - Seite 53Z
Make sure:
R The seat belt is always fitted snugly.
R Adjust the seat belt so that the shoulder
section is located as close as possible to
the middle of the shoulder.
R Place the lap portion of the seat belt as low
as possible on your hips.
Seat and head restraintGObserve Safety notes, see page 82.XPosition seat = and head restraint
properly. See ( Y page 83) for seat and
head restraint adjustment.
Observe the following points:
R Always be in a properly seated position.
R The position should be as far rearward from
the front air bag in the steering wheel as
possible, while still permitting proper
operation of vehicle controls.
R Adjust the seat to a comfortable seating
position that still allows you to reach the
accelerator/brake pedal safely.
R The seat must be adjusted so that you can
correctly fasten and position your seat belt.
R The seat backrest must be in a position that
is as nearly upright as possible.
R Adjust the seat cushion so that the front
edge of the seat cushion lightly supports
your legs.
R Adjust the head restraint so that it is as
close to the head as possible and the
center of the head restraint supports the
back of the head at eye level.
R Never place hands under the seat or near
any moving parts while the seat is being
adjusted.
Children in the vehicle
Safety notes
If an infant or child is traveling with you in the
vehicle:
XSecure the child using an infant or child
restraint appropriate to the age and size of
the child.XMake sure the infant or child is properly
secured at all times while the vehicle is in
motion.GWarning!
When leaving the vehicle, always remove the
SmartKey from the starter switch. Always
take the SmartKey with you and lock the
vehicle. Do not leave children unattended in
the vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. A child’s unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. The children
could
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
starter switch or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system’s
metal parts, for example, could become very
hot, and the child could be burned by these
parts.
GWarning!
Do not carry heavy or hard objects in the
passenger or cargo compartment unless they
are firmly secured in place.
Occupant safety55Safety and securityX164_AKB; 5; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:30:16+02:00 - Seite 55Z
Vehicle equipment ..............................70
Locking and unlocking .......................70
Starter switch positions .....................80
Seats ....................................................82
Multifunction steering wheel .............91
Mirrors .................................................93
Memory function .................................96
Lighting ................................................97
Wipers ................................................103
Power windows .................................105
Driving and parking ..........................108
Automatic transmission ...................114
Transfer case ....................................119
Differential locks ..............................121
Instrument cluster ............................124
Control system ..................................125
Driving systems ................................144
Overview of climate control sys-
tem functions and air vents .............172
Climate control .................................175
3-zone automatic climate control ...181
Rear window defroster .....................191
Power tilt/sliding sunroof ...............192
Loading and storing ..........................194
Useful features .................................209
69Controls in detailX164_AKB; 5; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:30:16+02:00 - Seite 69