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Practical hints
What to do if …
Display symbol Display messages Possible cause/consequence Possible solution
L
Tele Aid
inoperative
One or more main functions of the
Tele Aid system are malfunctioning.
̈ Have the Tele Aid system checked by
an authorized Mercedes-Benz Light
Truck Center.
Tele Aid
battery
The emergency power battery for the
Tele Aid system is malfunctioning. If the
vehicle battery is also malfunctioning or
drained, Tele Aid will not be operational.
̈ Have the Tele Aid system checked by
an authorized Mercedes-Benz Light
Truck Center.
t
Function
unavailable
This display appears if button t
or s on the multifunction steering
wheel is pressed and the vehicle is not
equipped with a telephone.
W
Top up
washer fluid
The fluid level has dropped to about
1
/
3
of
total reservoir capacity.
̈ Add washer fluid (୴ page 384).
]
Clean fuel filter
̈ Have the fuel filter checked by an
authorized Mercedes-Benz Light
Truck Center.
»
Replace air filter
The air filter is clogged. ̈ Have the air filter checked by an
authorized Mercedes-Benz Light
Truck Center.