Infraredreflective windshield function ........13 0
Climate control.........................................131Overview of climate control systems ..........131Operatingthe climate control system .........13 2
Driving and parking.................................13 8Driving ........................................................13 8DYNAMIC SELECT switch ............................148Automatic transmission ..............................15 0Function ofthe 4MATIC ..............................154Refueling ....................................................154Parking .......................................................156Driving and driving safety systems .............165Vehicletowing instructions .........................218
Instrument Display and on-boardcomputer...................................................219Instrument Displayoverview .......................219Overview ofthe buttons onthesteeringwheel ..........................................................220Operatingthe on-board computer .............. 221Settingthe design ...................................... 222
Settingthe additionalvaluerange .............. 222Overview of displays onthe multifunc‐tion display .................................................223Adjustingthe instrument lighting ................224Menus and submenus ................................. 224Head-up Display .......................................... 231
Voice Control System..............................233Notes on operating safety .......................... 233Operation ................................................... 233UsingtheVoice Control System effec‐tively ........................................................... 235Essentialvoice commands .........................235
Multimedia system..................................248Overview and operation ..............................24 8System settings .......................................... 257Fit & Healthy............................................... 268Navigation ..................................................270Telephone ...................................................295Online and Internet functions ......................317Media ......................................................... 323Radio .......................................................... 336Sound .........................................................344
Maintenance and care.............................347ASSYST PLUS service interval display .........347Engine compartment .................................. 348Cleaning and care ....................................... 355
Breakdown assistance............................364Emergency ..................................................364Flat tire ....................................................... 364Battery (vehicle) .........................................370Towstarting ortowingaway.......................375Electrical fuses ........................................... 380
Wheels and tires......................................384Notes on noise or unusual handlingchar‐acteristics ...................................................384Notes onregularlyinspecting wheels andtires ............................................................ 384Notes on snowchains ................................ 385Tirepressure .............................................. 386Loadingthevehicle .................................... 393Tirelabeling ................................................ 397Definition oftermsfor tires and loading ..... 402Changing a wheel ....................................... 405
Contents3
HOLD function
HOLD functionThe HOLD function holdsthevehicle at astand‐still withoutrequiringyoutodepressthe brakepedal, e.g. whilewaiting in traffic.
The HOLD function is only an aid. Theresponsi‐bilityforthevehicle safelystandingstillremainswiththe driver.
System limitationsThe HOLD function is only intendedtoprovideassistance when driving and is not a sufficientmeans of safeguardingthevehicle againstrollingawaywhenstationary.
RThe incline must not be greaterthan 30%.
Activating/deactivating the HOLD function
\nWARNINGRisk of an accident duetotheHOLD function being activated whenyouleavethevehicle
Ifyou leavethevehicle while onlythe HOLDfunction is brakingthevehicle,thevehiclecanrollawayinthefollowing situations:
RIfthere is a malfunction inthe system orinthe power supply.
RIfthe HOLD function is deactivatedbydepressingthe accelerator pedal orthebrake pedal, e.g.byavehicle occupant.
RIfthe electrics inthe engine compart‐ment,the battery orthe fuses aretam‐pered with or ifthe battery is disconnec‐ted.
Always deactivatethe HOLD functionand securethevehicle againstrollingawaybefore leavingthevehicle.
NOTEDamagefrom automatic braking
WhenActive Brake Assist,Active DistanceAssistDISTRONIC orthe HOLD function areactivated,thevehicle brakes autonomouslyin certain situations.
Toavoid damagetothevehicle, deactivatethese systems inthefollowing or similar sit‐uations:
Duringtowing
In a carwash
Requirements:RThevehicle isstationary.
RThe driver's door is closed orthe seat belt onthe driver's side isfastened.
RThe engine isrunning or has been automati‐cally switched offbythe ECOstart/stopfunction.
RThe electric parking brake isreleased.
RActive Distance AssistDISTRONIC is not acti‐vated.
Driving and parking18 9