
1, 2, 3 ...
12 V socket see Sockets
4ETS (Electronic Traction System) ....55 A
ABS (Anti-lock Braking System) Display message ............................ 165
Function/notes ................................ 54
Warning lamp ................................. 192
Activating/deactivating cooling
with air dehumidification .................108
ADAPTIVE BRAKE ................................. 58
Additional speedometer ...................158
Additives (engine oil) ........................282
Adjusting lumbar support ..................86
Air bags Display message ............................ 171
Front air bag (driver, front
passenger) ....................................... 40
Head bag ......................................... 42
Important safety notes ....................38
Knee bag .......................................... 41
PASSENGER AIR BAG OFF
indicator lamp .................................. 42
Safety guidelines ............................. 37
Side impact air bag ..........................41
Air-conditioning system
see Climate control
Air filter (display message) ..............180
AIRSCARF Switching on/off .............................. 88
AIRSCARF vents
Setting the blower output ..............114
Air vents
Important safety notes ..................113
Setting ........................................... 113
Setting the blower output of the
AIRSCARF vents ............................ .114
Setting the center air vents ...........114
Setting the side air vents ...............114
Switching AIRSCARF on/off ............88
Alarm system
see ATA (Anti-Theft Alarm system) AMG
Adaptive sport suspension system 140
Button for AMG menu ....................128
E-SELECT leve r.............................. 121
Menu (on-board computer) ............161
SETUP ............................................ 128
SPEEDSHIFT DCT 7-gear sport
transmission .................................. 121
Anti-lock braking system
see ABS (Anti-lock Braking System)
Anti-theft alarm system
see ATA (Anti-Theft Alarm system)
Ashtray ............................................... 203
ASSYST PLUS service interval
display
Hiding service messages ...............222
Service messages ..........................222
ATA (Anti-Theft Alarm system)
Activating/deactivating ...................58
Function .......................................... .58
Switching off the alarm ....................58
Audio menu (on-board computer) ....154
Audio system see separate operating instructions
Authorized Centers
see Qualified specialist workshop
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshops
see Qualified specialist workshop
AUTO lights
Display message ............................ 174
Automatic headlamp mode ................96 B
BAS (Brake Assist System) .................55
Battery Display message ............................ 185
Battery (SmartKey)
Checking .......................................... 65
Important safety notes ....................64
Replacing ......................................... 65
Battery (vehicle)
Charging ........................................ 239
Display message ............................ 178
Important safety notes ..................236
Jump starting ................................. 2404
Index

Radio-wave reception/
transmission in the vehicle
Declaration of conformity ................22
Reading lamp ....................................... 99
Rear spoiler Display message ............................ 189
Extending/retracting .....................210
Problem ......................................... 211
Rear view camera
Cleaning instructions .....................228
Function/notes ............................. 144
Rear-view mirror
Anti-glare (manual) ..........................90
Dipping (automatic) .........................91
Rear window defroster
Problem (malfunction) ...................113
Switching on/off ........................... 112
Refrigerant (air-conditioning
system)
Important safety notes ..................282
Refueling
Fuel gauge ....................................... 27
Important safety notes ..................129
Refueling proces s.......................... 129
see Fuel
Remote control
Garage door opene r....................... 211
Programming (garage door opener) 212
Replacing bulbs
Important safety notes ..................100
Reporting safety defects ....................23
Reserve (fuel tank) see Fuel
Reserve fuel
Display message ............................ 179
Warning lamp ................................. 196
see Fuel
Restraint system
see SRS (Supplemental Restraint
System)
Reversing lamps (display message) 175
Roadside Assistance (breakdown) ....20
Roof see Soft top
Route
see Route guidance (navigation)
Route guidance (navigation) ............153 S
Safety Children in the vehicle .....................51
Child restraint systems ....................51
Occupant Classification System
(OCS) ............................................... 42
Safety system
see Driving safety systems
Seat belts
Belt force limiters ............................ 50
Cleaning ......................................... 230
Correct usage .................................. 48
Emergency Tensioning Devices ....... .50
Fastening ......................................... 49
Important safety guidelines .............47
Releasing ......................................... 49
Safety guidelines ............................. 37
Special seat belt retractor ...............53
Warning lamp ................................. 191
Warning lamp (function) ................... 49
Seats
Adjusting (electrically) .....................86
Adjusting (manually). .......................86
Adjusting lumbar support ................86
Cleaning the cover .........................230
Correct driver's seat position ........... 84
Important safety notes ....................85
Seat heating problem ......................87
Storing settings (memory function) .. 92
Switching AIRSCARF on/off ............88
Switching seat heating on/off .........87
Selector lever
Positions ........................................ 121
Sensors (cleaning instructions) .......228
Service interval display Displaying service messages .........222
Hiding service messages ...............222
Notes ............................................. 222
Service messages ..........................222
Service menu (on-board computer) .157
Service products Brake fluid ..................................... 283
Coolant (engine) ............................ 283
Engine oil ....................................... 281
Fuel ................................................ 280
Important safety notes ..................279
Notes ............................................. 27912
Index

heating should also not to be used to dry
the seats.
R clean the seat covers as recommended;
see the "Interior care" section.
R do not transport heavy loads on the
seats. Do not place sharp objects on the
seat cushions, e.g. knives, nails or tools.
The seats should only be occupied by
passengers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating
materials, e.g. blankets, coats, bags,
seat covers, child seats or booster seats.
! Make sure that there are no objects in the
footwell or behind the seats when resetting
the seats. There is a risk that the seats
and/or the objects could be damaged. Adjusting the seats manually
Seat fore-and-aft adjustment
X
Lift handle :and slide the seat forwards
or backwards.
X Release lever :again.
Make sure that you hear the seat engage in
position. Backrest angle X
Relieve the pressure on the backrest.
X Pull lever ;up and adjust the backrest to
the desired angle.
X Release lever ;again.
The seat backrest must audibly engage.
Seat height X
Pull up or push down lever =repeatedly
until the seat has reached the desired
height. Seat adjustment
:
Backrest angle
; Seat fore-and-aft adjustment
= Seat cushion angle
? Seat height
i You can store the seat settings using the
memory function (Y page 92). Adjusting the lumbar support
You can adjust the contour of the seat so as
to provide optimum support for your back. 86
SeatsSeats, steering wheel and mirrors

:
To adjust the upper back support
; To adjust the contour of the backrest in
the lumbar region
= To adjust the lateral structure and support
of the seat
X Select key position 2with the Start/Stop
button.
i If, after a certain amount of time, the seat
no longer has the desired contour, repeat
the adjustment. Switching the seat heating on/off
Activating/deactivating G
WARNING
Repeatedly switching on the seat heating can
cause the seat cushion and backrest pads to
become very hot. The health of persons with
limited temperature sensitivity or a limited
ability to react to excessively high
temperatures may be affected or they may
even suffer burn-like injuries. There is a risk
of injury.
Therefore, do not switch the seat heating on
repeatedly.
The three red indicator lamps in the button
indicate the heating level you have selected.
i If the battery voltage is too low, the seat
heating may switch off. The system automatically switches down
from level
3to level 2after approximately five
minutes.
The system automatically switches down
from level 2to level 1after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Select key position 2with the Start/Stop
button.
X To switch on: press button:repeatedly
until the desired heating level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
Problems with the seat heating The seat heating has switched off
prematurely or cannot be switched on. The
vehicle's electrical system voltage is too low
because too many electrical consumers are
switched on.
X
Switch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
Once the battery is sufficiently charged, the
seat heating will switch back on
automatically. Seats
87Seats, steering wheel and mirrors Z