R
Frequent operation in mountainous terrain or
on poor road surfaces
R
When the engine is oen le idling for long
periods
R
Operation in particularly dusty conditions
and/or if air-recirculation mode is frequently
used
In these or similar operating conditions, have the
interior air lter, air lter, engine oil and oil lter,
for example, changed more frequently. The tyres
must be checked more frequently if the vehicle is
operated under increased loads. Further informa-
tion can be obtained at a qualied specialist work-
shop.
Battery disconnection periods
The ASSYST PLUS service interval display can cal-
culate the service due date only when the battery
is connected.
#
Display the service due date on the driver dis-
play and note it down before disconnecting
the battery (/ page 358).
Engine compartment
Active bonnet (pedestrian protection)
â–ŒOperation of the active bonnet (pedestrian pro-
tection)
In certain accident situations, the actuation of the
active bonnet reduces the risk of injury to pedes-
trians. The rear area of the bonnet is raised by
approximately 80 mm.
Aer being triggered, the active bonnet remains in
the raised position. Limited visibility due to the
raised bonnet cannot be ruled out.
Aer the active bonnet has been actuated, pedes-
trian protection may be limited.
Have the full functionality of the active bonnet
restored immediately in a qualied specialist
workshop.
If necessary, adjust your seat position and drive
carefully to a qualied specialist workshop. If a
safe continued journey is not possible, contact a
qualied specialist workshop.
Opening and closing the bonnet
&
WARNING Risk of accident due to driving
with the bonnet unlocked
The bonnet may open and block your view.
#
Never release the bonnet when driving.
#
Before every trip, ensure that the engine
bonnet is locked.
&
WARNING Risk of accident and injury
when opening and closing the bonnet
The bonnet may suddenly drop into the end
position.
There is a risk of injury for anyone in the
engine bonnet's range of movement.
#
Do not open or close the bonnet if there
is a person in the bonnet's range of
movement.
Maintenance and care
359
P223 0288 02
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