Mercedes-Benz 2008 M-Class Operator's Manual page 429

Practical hints
What to do if ...
Display symbol Display message
#
Battery/Alternator
Stop Vehicle
{
Inoperative
2
Brake Wear
!
Brake pad thickness must be visually in-
spected by a qualified technician at the intervals
specified in the Maintenance Booklet.
428
Possible cause/consequence Possible solution
The battery is defective.
Downhill Speed Regulation is
malfunctioning.
The brake pads have reached
their wear limit.
Stop the vehicle in a safe location or as
soon as it is safe to do so.
Apply the parking brake ( page 65).
Do not continue to drive.
Contact an authorized Mercedes-Benz
Light Truck Center.
Have the Downhill Speed Regulation
checked by an authorized Mercedes-Benz
Light Truck Center.
Have the brake pads replaced as soon as
possible.