Mercedes-Benz 2008 M-Class Operator's Manual page 445

Practical hints
What to do if ...
Display symbol Display message
4
Reserve Fuel
Ultra Low-sulfur
Diesel Fuel Only
L
Tele Aid
Inoperative
Tele Aid
Battery
t
Function
unavailable
W
Top Up
Washer Fluid
444
Possible cause/consequence
The fuel level has gone below the reserve
mark.
Vehicles with diesel engine only:
The fuel level has gone below the reserve
mark.
One or more main functions of the
Tele Aid system are malfunctioning.
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.
This display appears if button t
or s on the multifunction steering
wheel is pressed and the vehicle is not
equipped with a telephone.
The fluid level has dropped to about
total reservoir capacity.
Possible solution
Refuel at the next gas station
( page 337).
Refuel at the next gas station
( page 337).
Only use commercially available
vehicular ULTRA-LOW SULFUR
HIGHWAY DIESEL FUEL
(15 ppm SULFUR MAXIMUM).
Have the Tele Aid system checked by
an authorized Mercedes-Benz Light
Truck Center.
Have the Tele Aid system checked by
an authorized Mercedes-Benz Light
Truck Center.
1
/ of Add washer fluid ( page 346).
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