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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 352).
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 352).
̈ 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 multifunc-
tion 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 362).