Mercedes-Benz M-Class Owners Manual
See also:
Tachometer
The red band in the tachometer indicates the
engine's overrevving range.
Do not drive in the overrevving range, as
this could damage the engine.
The fuel supply is interrupted to protect the ...
Warning and indicator lamps
...
General notes
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be trigg ...
