
Rear lamps
see Tail lamps                                           
Rear window defroster ..................... 170
Recommended tire inflation
pressure ..................................... 198, 218
Refrigerant, air conditioning ............ 303
Refueling  ............................................ 190
Regular checks  .................................. 191
Reminder, Seat belt see Seat belts, Telltale                             
Remote control
see Key, SmartKey                                   
Remote door unlock (Tele Aid)  .........182
Replacing  
Key  .................................................. 58
Replacing bulbs  ................................. 267
Reporting safety defects .................... 21
Research Octane Number see RON                                                   
Reserve fuel  
Messages in the multifunction
display  ........................................... 251
Warning lamp ........................... 26, 261
Reset button .................................. 27, 92
Restraint systems see Occupant safety                                
Retractable hardtop  ..........................170
Locking  .......................................... 172
Luggage cover  ............................... 173
Messages in the multifunction
display  ........................................... 246
Operating manually ........................ 266
Wind screen ................................... 173
Rims ........................................... 218, 297
Roadside Assistance  ...................19, 180
RON (Research Octane Number) ..... 303
Roof see Retractable hardtop                          
Rubber parts, cleaning ...................... 230 S
Safety  Driving safety systems ..................... 47
Occupant safety ...............................
32
Reporting defects ............................ 21
Safety belts
see Seat belts                                           Satellite radio ....................................
125
Seat belt force limiter ......................... 43
Seat belts ............................................. 40
Children in the vehicle  .....................45
Cleaning .........................................
231
Fastening  ......................................... 42
Proper use of  ................................... 41
Safety guidelines  ............................. 34
Safety notes ..................................... 40
Telltale ..................................... 26, 259
Seat heating ......................................... 65
Seating capacity ................................ 206
Seats ..................................................... 62 Adjustment  ...................................... 62
Easy-entry/exit feature  ....................67
Heating ............................................ 65
Memory function .............................. 70
Selective setting
see Key, SmartKey                                   
Selector lever
see Gear selector lever                            
Self-test 
OCS (Occupant Classification
System) ........................................... 39
Tele Aid  .......................................... 178
Service
see Maintenance                                      
Service, parts  .................................... 292
Service and warranty information  .....18
Service intervals see Maintenance System, Service
indicator message                                    
Service life (tires)  .............................. 210
Settings  Factory setting (SmartKey)  ..............57
Memory function .............................. 70
Menu ............................................. 102
Selective setting (SmartKey)  ............57
Shelf behind roll bars  ........................ 175
Side marker lamps  
Cleaning lenses ............................. 229
Messages in the multifunction
display  ........................................... 252
Sidewall (tires)  .................................. 219
Side windows see Power windows                                   Index
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TIN (Tire Identification Number) ......
219
Tire and Loading Information
placard  ............................................... 205
Tire and loading terminology  ...........217
TIREFIT ............................................... 273
Tire Identification Number see TIN 
                                                    
Tire inflation pressure 
Checking ........................................ 201
Important notes on ........................ 199
Label on the inside of fuel filler
flap  ................................................ 200
Placard on driver’s door B-pillar ..... 205
Tire labeling  ....................................... 212
Tire load rating  .................................. 218
Tire ply composition and material
used .................................................... 219
Tire repair kit see TIREFIT                                               
Tires ........................................... 197, 297
Advanced Tire Pressure
Monitoring System (Advanced
TPMS) ............................................ 201
Air pressure ................................... 198
Care and maintenance ................... 209
Cleaning ......................................... 210
Direction of rotation, spinning  .......209
Important notes on tire inflation
pressure  ........................................ 199
Inflation pressure .................. 200, 201
Information placard ....................... 205
Inspection  ...................................... 209
Labeling  ......................................... 212
Load index ............................. 213, 218
Load rating .................................... 218
Messages in the multifunction
display  ................................... 241, 255
Ply composition and material
used ............................................... 219
Problems under-/overinflation ...... 200
Retreads  ........................................ 197
Rims and tires (technical data) ...... 297
Rotation ......................................... 212
Service life ..................................... 210
Sizes .............................................. 297
Snow chains .................................. 220
Speed rating .......................... 214, 219
Storing  ........................................... 210Temperature 
.......................... 199, 211
Terminology  ................................... 217
TIREFIT (tire repair kit) ................... 273
Tire Identification Number ............. 219
TPMS low tire pressure/
malfunction telltale .................. 26, 262
Traction ................................. 211, 219
Tread  ............................................. 219
Tread depth  ........................... 210, 219
Treadwear
 ...................................... 211
Treadwear indicators ............. 210, 219
Vehicle maximum load on  ..............219
Wear pattern .................................. 212
Winter tires  ............................ 219, 297
Tire speed rating  .......................214, 219
Total load limit ................................... 219
Tow-away alarm  .................................. 52
Towing  
Towing eye bolt .............................. 286
Vehicle  ........................................... 285
Towing eye bolt  ................................. 286
Traction ...................................... 211, 219
Transmission see Automatic transmission or
Manual transmission                                
Transmission fluid level  .................... 195
Transmission gear selector lever see Gear selector lever                            
Transmission positions  ....................... 87
Traveling abroad  ............................... 224
Tread (tires)  ....................................... 219
Tread depth (tires)  ....................210, 219
Treadwear  .......................................... 211
Treadwear indicators (tires) .... 210, 219
Trip computer menu  .........................109
Trip odometer, resetting  ..................... 93
Trunk  
Closing  ............................................. 60
Messages in the multifunction
display  ........................................... 245
Opening ........................................... 60
Trunk lid emergency release ............ 60
Unlocking manually  .......................265
Valet locking .................................... 61
Turning off the engine  ........................84
Turn signals ......................................... 73
Cleaning lenses ............................. 229 Index
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Activating the instrument cluster
The  instrument cluster is activated when you
R open the driver’s door
R switch on the ignition
R press reset button  .
R switch on the exterior lamps
i Opening the driver’s door or pressing the
reset button  . without switching on the
ignition or the exterior lamps activates the
instrument cluster illumination only for
30 seconds. Adjusting the instrument cluster 
illumination
X To brighten illumination: Press knob :
briefly.
X To dim illumination: Press knob ;
briefly.
The illumination brightness for the instrument
cluster changes each time you press
knob  : 
or ;. Several settings are possible.
i The instrument cluster illumination is
dimmed or brightened automatically to suit
ambient light conditions.
You can only adjust the brightness of the
instrument cluster illumination when it is
dark outside.
i With the exterior lighting switched on, the
brightness of the switches in the center
console will also be adjusted when using
knob  : or ;. Resetting trip odometer
X Make sure you are viewing the standard
display 
(Y page 96) in the multifunction
display.
X Press and hold reset button  . 
 until the trip
odometer is reset. Tachometer
The red marking on the tachometer
(Y 
page 26) denotes excessive engine speed.
!  Avoid driving at excessive engine speeds,
as it may result in serious engine damage
that is not covered by the Mercedes-Benz
Limited Warranty.
To help protect the engine, the fuel supply is
interrupted if the engine is operated within
the red marking. Clock
In vehicles with the audio system, the clock
can be set via the control system
(Y page 105).
For setting the time with the COMAND
system, see separate COMAND system
operating instructions. Control system
Introduction
The 
 control system is activated as soon as the
starter switch is in position 1.
The control system enables you to call up
information about your vehicle and to change
vehicle settings.
For example, you can use the control system
to find out when your vehicle is next due for
maintenance service, to set the language for
messages in the instrument cluster display,
and much more. G
Warning!
A driver’s attention to the road and traffic
conditions must always be his/her primary
focus when driving.
For your safety and the safety of others,
selecting features through the multifunction
steering wheel should only be done by the
driver 
when traffic and road conditions permit
it to be done safely. Control system
93
Controls in detail
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simply a reminder with respect to the
operation of certain systems. They do not
replace the owner’s and/or driver’s
responsibility to maintain the vehicle’s
operating safety. Have all required
maintenance and safety checks performed on
the vehicle. Bring the vehicle to an authorized
Mercedes-Benz Center to address the
malfunction and warning messages.
X Press button  V or U repeatedly until
the Vehicle status message memory
menu appears in the multifunction display.
If conditions have occurred causing status
messages to be recorded, the number of
messages appears in the multifunction
display. :
Number of recorded status messages
X Press button & or *.
The stored messages will now be displayed
in the order in which they have occurred.
For malfunction and warning messages,
see “Vehicle status messages in the
multifunction display” ( Y page 236).
Should the vehicle’s system record any
conditions while driving, the number of
messages will reappear in the multifunction
display when the SmartKey in the starter
switch is turned to position 0 or removed
from the starter switch.
Except for high-priority messages, the vehicle
status message memory will be cleared when
you switch off the ignition. Settings menu
Introduction In the 
Settings menu there are two
functions: The function  To reset, push 
reset button for 3 seconds, with which
you can reset all the settings to the original
factory settings and a collection of submenus
with which you can make individual settings
for your vehicle.
The following settings and submenus are
available in the  Settings menu:
R Resetting to factory settings
(Y page 102)
R Submenus in the Settings menu
(Y page 103)
R Instrument cluster submenu
(Y page 103)
R Time/Date submenu ( Y page 105)
R Lighting submenu ( Y page 105)
R Vehicle submenu ( Y page 108)
R Convenience submenu ( Y page 108)
Resetting to factory settings You can reset the settings of all submenus to
the factory settings.
For safety reasons, the function 
Headlamp 
Mode in the Lighting submenu cannot be
reset while driving.
X Press button  V or U repeatedly until
the Settings menu appears in the
multifunction display. 102
Control systemControls in detail
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Clearing the maintenance service 
indicator message
The maintenance service indicator message
is cleared automatically
R
after approximately 10 seconds when you
switch on the ignition
R after approximately 10 seconds when
reaching 
the service threshold while driving
R after approximately 30 seconds, once the
suggested maintenance service term has
passed
X Clearing the maintenance service 
indicator 
message manually:  Press reset
button  . on the instrument cluster.
The standard display appears in the
multifunction display.
Maintenance service term exceeded  If you have exceeded the suggested
maintenance service term, you will see the
following message in the multifunction
display:
Service A Exceeded By XXXXX Miles 
(Km)
Service A Exceeded By XXX Days
Service A Exceeded By X Day
In addition, a signal sounds when the
message appears.
Any authorized Mercedes-Benz Center will
reset the maintenance service indicator
following a completed maintenance service.
Calling up the maintenance service 
indicator display
i The menu overview can be found on
(Y page 96).
You can call up the maintenance service
indicator display at any time to check when
the next maintenance service is required. X
Switch on the ignition.
X Press button V or U on the
multifunction steering wheel repeatedly
until the standard display 
(Y page 96)
appears in the multifunction display.
X Press button * or & on the
multifunction steering wheel until the
maintenance 
service indicator display with
the service symbol  ¯ and the
maintenance service deadline appears in
the multifunction display.
i If 
 the battery was disconnected, the days
of disconnection will not be included in the
count shown by the maintenance service
indicator. To arrive at the true maintenance
service deadline, you will need to subtract
these days from the days shown in the
maintenance service indicator message or
maintenance service indicator display.
Do not confuse the maintenance service
indicator with the engine oil level indicator
4. Resetting the maintenance service 
indicator
In 
the event that the maintenance service on
your vehicle is not carried out at an authorized
Mercedes-Benz Center, you can have the
maintenance service indicator reset.
The automotive maintenance facility carrying
out the maintenance service will find the
information for resetting the maintenance
service indicator in the maintenance-relevant
literature for your vehicle.
Such literature is available at any authorized
Mercedes-Benz Center or directly from
Mercedes-Benz.
!  If the maintenance service indicator was
reset inadvertently, have an authorized
Mercedes-Benz Center correct it.
Only reset the maintenance service
indicator if the proper maintenance service
has been performed. Not following the
proper maintenance service as described 226
Maintenance
Operation
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