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Practical hints
What to do if …
Display symbol Display message Possible cause/consequence Possible solution
4
Reserve Fuel
The fuel level has gone below the reserve
mark.
̈ Refuel at the next gas station
(
୴ page 337).
Ultra Low-sulfur
Diesel Fuel Only
Vehicles with diesel engine only:
The fuel level has gone below the reserve
mark.
̈ Refuel at the next gas station
(
୴ page 337).
̈ Only use commercially available
vehicular ULTRA-LOW SULFUR
HIGHWAY DIESEL FUEL
(15 ppm SULFUR MAXIMUM).
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 346).