fi
ed based on the actual operating conditions
and/or loads.
Examples of arduous operating conditions:
R regular city driving with frequent intermedi‐
ate stops
R mainly short-dis tance driving
R frequent operation in mountainous terrain or
on poor road sur faces
R when the engine is of ten le ftidling for long
periods
R operation in particula rly dusty conditions
and/or if air-recirculation mode is frequently
used
In these or similar operating conditions, ha vethe
interior air filter, engine air cleaner, engine oil
and oil filter etc. changed more frequent ly. The
ty re s must be checked more frequently if the
ve hicle is operated under increased loads. Fur‐
th er information can be obtained at a qualified
specialist workshop. Battery disconnection periods
The ASS
YST PLUS se rvice inter val display
can only calculate the service due da tewhen
th e bat tery is connected. #
Notedown the service due date displa yed on
th e instrument display before disconnecting
th e battery (/ page474). Engine com
partment Ac
tive bonn et(pedestrian pr otection) Operation of
the active bonnet (pedestrian
pr otection)
In cer tain accident situations, therisk of injury
to pedestrians can be reduced bythe actuation
of the active bonn et. The rear area of the bonn et
is raised byappr oximately 85 mm.
Fo rth e drive tothewo rkshop, reset the trig‐
ge red active bonn etyourself. Af terth e active
bonn ethas been triggered, pedestrian pr otection
may be limited.
A qu alified specialist workshop must re-ins tate
th e full functionality of the active bonn et. The active bonnet is not
available in all coun‐
tries.
Re setting the active bonnet &
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch co mponent parts described in
th efo llowing. Maintenance and care
475
Qualified specialist
workshop ................. 28 R
Ra dar and ultrasonic senso rs
Damage ............................................... 208
Ra dio
Ac tivating ............................................ 459
Ac tivating/deactivating radio text ....... 462
Ac tivating/deactivating traf fic
announcements .................................. 462
Calling up a slide show ........................ 461
Calling up thest ation list .................... .461
Del eting channels ................................ 461
Direct frequency ent ry......................... 461
Displaying information ......................... 462
Displaying radio text ............................ 462
Editing station presets ........................ .461
Fr equency fix ....................................... 462
Menu (on-boa rdcompu ter) .................. 292
Moving stations .................................. .461
Overview ............................................. 460
Sear ching forst ations .......................... 461
Setting a channel ................................ .461
Setting station tracking ...................... .462
Setting the frequency band .................. 461 Setting
the traf fic information
service volume inc rease ...................... 462
St oring radio stations .......................... 461
Vo ice commands (LINGU ATRO NIC) .....3 08
Ra dio stations
Dialling (on-boa rdcompu ter) ............... 292
Ra in closing function
Sliding sunroof ...................................... 95
Ra in-closing feature
Side wind ows ........................................90
Ra ising theve hicle
Re ar of theve hicle ...............................1 22
Ra nge
Ad Blue ®
............................................... 288
Displaying ............................................ 289
REACH regulation ...................................... 29
Re ading light
Switching on/off using poses ............. 329
Re ading light
see Interior lighting
Re alwo od (Care) .................................... .491
Re ar door (child saf ety lock) .................... 71Re
ar fog light
Switching on/off .................................1 42
Re ar of theve hicle
Lo we ring .............................................. 12 2
Ra ising ................................................ .122
Re ar seat
see Seat
Re ar seat belt
St atus display ........................................ 39
Re ar seat belt status display .................... 39
Re ar window
Changing the wiper blade .................... 154
Re ar window heater ................................ 15 9
Re ar window wipers
Ac tivating/deactivating ...................... .152
Re ar-view mir ror
see Outside mir rors
Re cycling
see Take -ba ckof end-of-life vehicles
Re ducing agent
see AdBlue ® 654
Index