Users Manual Part 4

Table Of Contents
fied 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-distance driving
R
frequent operation in mountainous terrain or
on poor road surfaces
R
when the engine is often left 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 filter, engine air cleaner, engine oil
and oil filter etc. changed more frequently. The
tyres must be checked more frequently if the
vehicle is operated under increased loads. Fur‐
ther information can be obtained at a qualified
specialist workshop.
Battery disconnection periods
The ASSYST PLUS service interval display
can calculate the service due date only when
the battery is connected.
#
Display the service due date on the driver
display and note it down before disconnect‐
ing the battery (/ page 455).
Engine compartment
Active bonnet (pedestrian protection)
Operation of the active bonnet (pedestrian
protection)
In certain accident situations, the risk of injury
to pedestrians can be reduced by the actuation
of the active bonnet. The rear area of the engine
bonnet is raised by approximately 80 mm.
For the drive to the workshop, reset the actuated
active bonnet yourself (/ page 456).
After the active bonnet has been actuated,
pedestrian protection may be limited.
A qualified specialist workshop must re-instate
the full functionality of the active bonnet.
Resetting the active bonnet
&
WARNING Risk of burns from hot com‐
ponent parts in the engine compartment
Certain components in the engine compart‐
ment can be very hot, e.g. the engine, the
radiator and parts of the exhaust system.
#
Allow the engine to cool down and only
touch component parts described in
the following.
456
Maintenance and care