Page 115 of 474

114 Controls in detailSeatsThe red indicator lamps2 in the switch
show the heating level selected.
Switch on the ignition (
page 33).
Switching on seat heating
Press switch1 once.
Three red indicator lamps2 in the
switch come on.
Continue pressing switch1 until
desired seat heating level is reached.Switching off seat heating
Press switch1 repeatedly until all
indicator lamps2 go out.
Level3
Three indicator lamps on
(highest level).
After approximately 5 minutes,
seat heating is automatically
switched to level2.
2
Two indicator lamps on.
After approximately 10 minutes,
seat heating is automatically
switched to level1.
1
One indicator lamp on (lowest
level).
After approximately 20 minutes,
seat heating is automatically
switched off.
off
No indicator lamp on.
iIf one or more of the indicator
lamps2 on the seat heating switch
are flashing, there is insufficient volt-
age due to too many electrical consum-
ers are turned on. The seat heating
switches off automatically.
The seat heating will switch back on
again automatically as soon as
sufficient voltage is available.
Page 117 of 474

116 Controls in detailMemory function*The memory button and memory position
switch are located on the door.
1Memory button
2Memory position switch
Switch on the ignition (
page 33).
or
Open the respective door.
Storing positions into memory
Adjust the seat, steering wheel and
exterior rear view mirrors to the
desired position (
page 35).
Turn memory position switch2 to the
desired memory position.
Press memory button1.
Release memory button1 and press
memory position switch2 within
3 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 power 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.iReleasing the memory position switch
stops movement to the stored
positions immediately.
Page 332 of 474

331 Operation
Tires and wheels
Tire and loading terminology
Accessory weight
The combined weight (in excess of those
standard items which may be replaced) of
automatic transmission, power steering,
power brakes, power windows, power
seats, radio, and heater, to the extent that
these items are available as
factory-installed equipment (whether
installed or not).
Air pressure
The amount of air inside the tire pressing
outward on each square inch of the tire.
Air pressure is expressed in pounds per
square inch (psi), or kilopascal (kPa) or
bars.Aspect ratio
Dimensional relationship between tire
section height and section width
expressed in percentage.
Bar
Another metric unit for air pressure. There
are 14.5038 pounds per square inch (psi)
to 1 bar; there are 100 kilopascals (kPa)
to 1 bar.
Bead
The tire bead contains steel wires wrapped
by steel cords that hold the tire onto the
rim.
Cold tire inflation pressure
Tire inflation pressure when your vehicle
has been sitting for at least three hours or
driven no more than one mile (1.6 km). Curb weight
The weight of a motor vehicle with stan-
dard equipment including the maximum
capacity of fuel, oil, and coolant, and, if so
equipped, air conditioning and additional
optional equipment, but without passen-
gers and cargo.
DOT (D
epartment o
f T
ransportation)
A tire branding symbol which denotes the
tire meets requirements of the
U.S. Department of Transportation.
GAWR (G
ross A
xle W
eight R
ating)
The GAWR is the maximum permissible
axle weight. The gross vehicle weight on
each axle must never exceed the GAWR for
the front and rear axle indicated on the
certification label located on the driver’s
door B-pillar.
Page 349 of 474
348 OperationVehicle careUpholstery
Using aftermarket seat covers or wearing
clothing that have the tendency to give off
coloring (e.g. when wet, etc.) may cause
the upholstery to become permanently dis-
colored. By lining the seats with a proper
intermediate cover, contact-discoloration
will be prevented.
Leather upholstery
Wipe leather upholstery with a damp
cloth and dry thoroughly or clean with
Mercedes-Benz approved Leather
Care.
Exercise particular care when cleaning per-
forated leather as its underside should not
become wet.MB Tex upholstery
Use Mercedes-Benz approved Interior
Care onto a soft, lint-free cloth and ap-
ply with light pressure for cleaning the
upholstery.
Wood trims
Dampen cloth using water and use
damp cloth to clean wood trims in your
vehicle.!Do not use solvents like tar remover or
wheel cleaner nor polishes or waxes as
these may be abrasive.
Page 395 of 474

394 Practical hintsResetting activated head restraintsResetting activated head restraints
If the active head restraints has been trig-
gered in a rear-end collision, the active
head restraints must be reset. Otherwise,
the active head restraint cannot offer any
additional protection in the event of anoth-
er rear-end collision.
Take the reset tool out of the
Mercedes-Benz vehicle literature
pouch.
Guide reset tool into center of head re-
straint between head restraint cushion
and rear head restraint cover.
Press the reset tool forward in the di-
rection of the arrow.
Press reset tool downward until you
hear the head restraint release
mechanism audibly engage.
Pull out reset tool.
Firmly press the head restraint cushion
back toward the rear head restraint
cover until it engages.
Repeat this procedure on the active
head restraint for the second seat.
For information on active head restraints,
see “Active head restraint” (
page 73).
For information on head restraint adjust-
ment, see “Seats” (
page 35).
iFor your convenience, we recommend
that you have this work carried out by
an authorized Mercedes-Benz Center.
You will find the reset tool for manually
operating the active head restraints in
the Mercedes-Benz vehicle literature
pouch.
!Take care to avoid damaging the uphol-
stery.
Warning!
G
When pushing back the head restraint cush-
ion, take care that your fingers do not be-
come caught between the head restraint
cushion and the cover. Failing to do so may
lead to injury.
Page 463 of 474

462 IndexHead unit
Time synchronization* with 145
Headlamp cleaning system* 170, 303,
441
Headlamp shut-off delay see Delayed
shut-off, Exterior lamps
Headlamps
Automatic headlamp mode 119
Bi-Xenon* 402, 449
Cleaning lenses 344
Halogen 400
High beam see High beam flasher
High beam see High beam headlamps
Low beam see Low beam headlamps
Manual headlamp mode 119
Messages in display 377, 378, 379
Replacing bulbs 397
Switch 52, 59
Headliner and shelf below rear window
Cleaning and care of 347
Heated seats* 113
High beam flasher 52, 122High beam headlamps 52, 122
Indicator lamp 25
Messages in display 378
Replacing bulbs 398, 401
High mounted brake lamp 399
Hood 297
Message in display 376
Horn 23
HVAC see Climate control
Hydroplaning 287
I
Identification labels 428
Identification number, Vehicle (VIN) 428
Ignition 33, 49
Immobilizer 93
Indicator lamps see Lamps, indicator and
warning
Infant and child restraint systems see
Children in the vehicle
Inflation pressure see Tires, Inflation
pressures
Inside door handle 102Instrument and controls see Instrument
cluster
Instrument cluster 24, 127, 451
Cleaning 346
Illumination brightness 127
Lamps 350, 355
Messages in display see Malfunction
display messages
Multifunction display 130
Instrument lighting see Instrument cluster,
Illumination brightness
Instruments and controls see Cockpit
Interior lighting 125
Delayed shut-off 152
Interior rear view mirror 43
Antiglare positions 170
Auto-dimming mirrors* 171
Interior storage spaces see Storage
compartment
Page 465 of 474

464 IndexLight alloy wheels
Cleaning 346
Technical data 434, 435
Light sensor see Lamp sensor
Lighter see Cigarette lighter
Lighting
Parking lamps 118
Lighting, Exterior and interior 118
Limp Home Mode 169
Loading see Vehicle loading
Loading terminology 331
Loading the vehicle 307
Locator lighting 121, 150
Locking knob 451
Loss of keys 102
Loss of Service and Warranty Information
Booklet 427
Low beam headlamps
Indicator lamp 25
Messages in display 378, 379
Replacing bulbs 398, 401
Switching on 52
Lubricants 440
Technical data 440
Lumbar support* 112M
Main dimensions 438
Main fuse box
In passenger compartment 422
Mainodometer 130
Maintenance 12, 338
Calling up service indicator
display 339
Clearing service indicator
message 339
FSS (Canada vehicles) 338
Maintenance System
(U.S. vehicles) 338
Resetting service indicator 340
Service indicator message 338
Service term exceeded 339
Maintenance System
(U.S. vehicles) 338, 451
Manual headlamp mode see Headlamps
Manual seat see Seat, Manual 36
Manual transmission 160, 161
Gearshift lever 48, 161
Shift positions 161
Starting the engine 49
Maximum load rating, Tires 332
Maximum loaded vehicle weight 332Maximum tire inflation pressure 332
MB Tex upholstery, Cleaning and
care of 348
Mechanical key 389
Memory function* see Steering wheel
Menus see Control system
Microphone, Hands-free 29
Minispare wheel see Spare wheel
Mirrors
Adjusting 43
Auto-dimming* 171
Exterior rear view mirror 43
Exterior rear view mirror,
Parking position* 117, 154, 172
Interior rear view mirror 43, 170
MOE tires see MOExtended system*
(Canada only)
MOExtended system* 411
MOExtended system* (Canada only) 320
MON 452
Motor Octane Number see MON
Multicontour seats* (Canada only) 113
Multifunction display 130, 452
Changing settings see Contro system
menus and Control system
submenus
Page 467 of 474

466 IndexOperating safety 199
Ornamental moldings, Cleaning 344
Outside temperature see Displays
Overhead control panel 29
Overspeed range, engine 452
P
Paintwork, Cleaning 342
Panic alarm* 86
Parcel net
In front passenger footwell 258
Parking 57, 285
Parking brake 50, 58
Engaging 58
Message in display 370
Releasing 50
Parking lamps
Messages in display 379
Replacing bulbs 398
Parking position*
Exterior rear view mirrors 117, 154,
172
Parts service 426Passenger compartment 290
Interior lighting 125
Interior rear view mirror 43
Main fuse box in 422
Parcel net in front passenger
footwell 258
Passenger safety see Occupant safety
Pedals 283
Phone* see Telephone*
Plastic and rubber parts, Cleaning and
care of 346
Poly-V-belt drive 452
Layout 429
Positions (memory function*) see Seats
Power assistance 283
Power outlet in rear passenger
compartment 263
Power seat* see Seats, Power* 38
Power tilt/sliding sunroof* 244
Messages in display 382
Opening/closing 244
Opening/closing in an
emergency 393
Opening/closing, SmartKey 243
Stopping 246
Synchronizing 246Power train 452
Power washer 342
Power windows 240
Cleaning 345
Opening/closing 240
Rear door window,
Blocking operation 85
Stopping 242
Synchronizing 242
Practical hints 350
Premium unleaded gasoline 443
Problems
While driving 56
With vehicle 17
Product information 9
Production options weight 333
Program mode 130
Program mode selector switch 452
Automatic shift program, automatic
transmission* 167
PSI 333
Push starting 415