Problems with the seat ventilation
The seat ventilation has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on.
•► Switch off electrical consumers which you do not need, such as the rear window defroster or interior lighting.
See also:
Speedometer with segments
The segments in the speedometer indicate
which speed range is available.
Cruise control (Y page 167) activated:
The segments light up from the stored speed
to the maximum speed.
DISTRONIC PLUS ...
Fuel requirements
Gasoline engines
Use only premium-grade unleaded gasoline.
The octane number should be at least 91.
Details can be found on the gas pump. The
octane number is the average value of the
Researc ...
Safety
As it should be, the M-Class is full of standard safety features like an
electronic stability system, antilock brakes, traction control, side curtain
airbags, and side-impact airbags for the front ...
