Rfrequent operation in mountainousterrain oron poorroad surfaces
Rwhenthe engine is often leftidlingfor longperiods
Roperation in particularly dusty conditionsand/or if air-recirculation mode is frequentlyused
Inthese or similar operating conditions, havetheinterior airfilter, engine air cleaner, engine oiland oilfilteretc.changed more frequently. Thetires must bechecked more frequently ifthevehicle is operated under increased loads.Fur‐ther information can be obtained at aqualifiedspecialistworkshop.
Battery disconnection periods
The ASSYST PLUS service interval displaycan only calculatethe service due datewhenthe batteryis connected.
Notedownthe service due date displayed onthe instrument display before disconnectingthe battery (→page 347).
Engine compartment
Active hood (pedestrian protection)
Operation ofthe active hood (pedestrian pro‐tection)In certain accident situations,therisk of injurytopedestrians can bereducedbythe actuationofthe active hood. Therear area ofthe hood israisedbyapproximately 3 in (85 mm).
Forthe drivetotheworkshop,resetthe trig‐gered active hoodyourself. Afterthe active hoodhas been triggered, pedestrian protection maybe limited.
Aqualified specialistworkshop mustre-instatethe full functionality ofthe active hood.
The active hood is notavailable in all countries.
Resettingthe active hood
\nWARNINGRisk of burns from hot com‐ponent parts inthe engine compartment
Certain components inthe engine compart‐ment can beveryhot, e.g.the engine,theradiator and parts oftheexhaust system.
Allowthe enginetocool down and onlytouch component parts described inthefollowing.
Withyour handflat, push down active hood1inthe area aroundthe hinges on bothsides (arrows).The hood must engage in position.
Ifthe active hood can beraised slightly attherear inthe area ofthe hinges,repeatthestep until it engages correctly.
348Maintenance and care
Switching on ....................................... 340
SD cardInserting/removing ............................. 324
Seat..............................................88, 89,1044-waylumbar support ...........................92Adjusting (electrically) ........................... 92Adjusting (manually and electrically)......................................................... 89,91Backrest (rear) locking ........................106Correct driver's seat position ................ 88Foldingthe backrest (rear passengercompartment) back .............................106Foldingthe backrest (rear)forwards ....104Foldingthe backrestforwards/back(with memory function) .........................95Massage programoverview ...................94Operatingthe memory function ...........101Panel heating .........................................97Resettingthe settings ............................94Setting options ......................................14Switching AIRSCARF on/off ..................97
Seat adjustmentConfiguring ............................................94
Seat belt..................................................... 33Fastening ...............................................37Protection ..............................................33
Seat belt adjustmentActivating/deactivating ......................... 38Function ................................................ 38
Seat beltextender.....................................36
Seat beltwarningsee Seat belts
Seat belts...................................................38Activating/deactivating seat beltadjustment ............................................ 38Care..................................................... 361Reduced protection ...............................34Releasing ...............................................38Seat belt adjustment (function) ............. 38Seat beltextender ................................. 36Warning lamp ........................................ 38
Seat cover (Care)..................................... 361
Seat heatingActivating/deactivating ......................... 95
SeatventilationSwitching on/off...................................97
Secondtelephone...................................299Connecting .......................................... 299Features .............................................. 299
Selecting agearsee Changinggears
Selectingthe sound profile
Burmester®high-end 3D surroundsound system ...................................... 346
Selector leversee DIRECT SELECT lever
Self-testAutomatic front passenger front air‐bag shutoff ............................................ 43
Sensors (Care).........................................360
Service centersee Qualified specialistworkshop
Service interval displaysee ASSYSTPLUS
Servicestation searchStarting automatic search................... 281
Setting a speedsee Cruise control
514Index
