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264 Maintenance and care
ASSYST PLUS service interval display
Function of the ASSYST PLUS service interval
display
The ASSYST PLUS service interval display on the
instrument display provides information on the
remaining time or distance before the next
service due date.
You can hide this service message by using the
back button on the left-hand side of the steering
wheel.
You can obtain further information concerning
the servicing of your vehicle from a qualified spe‐
cialist workshop, e.g. an authorized Mercedes-
Benz Center.
Displaying the service due date
On-board computer:
Service
ASSYST PLUS
4
5
The next service due date is displayed.
To exit the display: press the back button on
#
the left-hand side of the steering wheel.
Bear in mind the following related topic:
Operating the on-board com‐
R
puter(
page 167)
/
Carrying out maintenance work regularly
* NOTE Premature wear through failure to
observe service due dates
Service work which is not carried out at the
right time or incompletely can lead to
increased wear and damage to the vehicle.
Always observe the prescribed service
#
intervals.
Always have the prescribed service
#
work carried out at a qualified specialist
workshop.
Special service requirements
The prescribed service interval is based on nor‐
mal vehicle use. Maintenance work will need to
be performed more often than prescribed if the
vehicle is operated under arduous conditions or
increased loads.
Examples of arduous operating conditions:
regular city driving with frequent intermediate
R
stops
mainly short-distance driving
R
frequent operation in mountainous terrain or
R
on poor road surfaces
when the engine is often left idling for long
R
periods
operation in particularly dusty conditions
R
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. If the vehi‐
cle is subjected to higher loads, the tires must be
checked more frequently. Further information can
be obtained at a qualified specialist workshop.
Battery disconnection periods
The ASSYST PLUS service interval display can
only calculate the service due date when the
battery is connected.
Note down the service due date displayed on
#
the Instrument Display before disconnecting
the battery (
page 264).
/
Engine compartment
Opening and closing the hood
& WARNING Risk of accident if the engine
hood is unlatched while driving
An unlocked engine hood may open up when
the vehicle is in motion and block your view.
Never unlatch the engine hood while
#
driving.
Before every trip, ensure that the engine
#
hood is latched.
& WARNING Danger of burns when open‐
ing the hood
If you open the hood when the engine has
overheated or during a fire in the engine com‐
partment, you could come into contact with
hot gases or other escaping operating fluids.
Before opening the hood, allow the
#
engine to cool down.
In the event of a fire in the engine com‐
#
partment, keep the hood closed and call
the fire service.
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