Mercedes-Benz Zetros 2020 Operating Instructions Manual page 80

On-board computer
78
If no prediction for the maintenance due
date is possible, the input window shows,
for example:
the maintenance point
R
the maintenance due date
R
X
To display the next maintenance point
and due date: use the r or s button
to display the next maintenance point.
Depending on the vehicle's equipment, you
can call up the following maintenance
points, for example:
Time-based maint.
R
Engine
R
Rear axle
R
Transmission
R
Brakes, axle 1
R
Brakes, axle 2
R
X
To reset the maintenance due date: press
the r or s button to display the
desired maintenance point.
If a reset is possible, the input window
shows Reset?.
X
Press the u button.
The input window shows No/Yes.
X
Use the r button to select the
bar and press the u or 9 button to con-
firm.
Monitoring info menu
Reservoir pressure menu window
X
To display the reservoir pressure: use the
u or t button to scroll to ã moni-
toring info.
The menu window shows the reservoir pres-
sure of brake circuits \ and ^ as a
bar display.
Coolant menu window
X
Use the u or t button to scroll to ã
monitoring info.
X
To display the coolant temperature: use
the r or s button to scroll to the
Coolant
menu window.
If the coolant level is too low, the coolant tem-
perature cannot be displayed.
Engine
--.--.--
Yes
menu
Engine menu window
Engine
In the menu window, you can check
the engine oil level and display the engine's
operating hours. Check the engine oil level
before the start of every journey. The engine
oil level is not displayed while driving.
X
Park the vehicle on a level surface.
X
Apply the parking brake.
X
Switch off the engine.
X
Switch the ignition lock to the drive posi-
tion.
X
Wait at least 5 minutes after switching off
the engine.
i If you call up the oil level too early or while
the engine is running,
appears in the menu window.
X
Use the u or t button to scroll to ã
monitoring info.
X
To display the engine oil level and oper-
ating hours: use the r or s button
Engine
to scroll to the
The menu window shows:
the engine oil level 4, e.g.
R
level ok Oil level low
or
Top up oil: 4 l
the ý operating hours of the engine,
R
10000 h 27 min
e.g.
The service counter is not suitable for
measuring the driving hours of the driver.
Use equipment which is suitable for this
purpose.
X
When the menu window displays
level low Oil level too
or
start the engine. Immediately top up the
amount of oil shown (
check the oil level again.
If the menu window shows
Top up oil: 3
and
is sufficient. The amount of oil to top up to
reach the maximum fill level is purely for
your information. At the moment, you do not
need to top up the oil.
X
If the oil level display is not available, repeat
the oil level check.
X
If it is not possible to display the oil level
after repeated attempts, have the oil level
display checked at a qualified specialist
workshop.
Not available
menu window.
Oil
and/or
Oil
low, do not
Y
page 164) and
Oil level ok
l, the engine oil level