General information
The vehicle contains advanced technologies for
the reduction of consumption and emission values.
The fuel consumption depends on various factors,
such as driving style, road condi
Principle
ECO PRO supports a driving style that saves on
consumption. For this purpose, the engine control
and comfort features, for instance the climate
control output, are adjusted.
Steptronic tran
Principle
Under certain conditions the engine is automatically
decoupled from the transmission in the D
selector lever position. The vehicle continues
traveling with the engine idling to reduce consum
Special tools required:
11 9 190
11 9 461
11 9 462
(cylinder bank 1 to 4)
Necessary preliminary tasks:
Remove servomotor from right eccentric shaft.
Remove right cylinder head cover.
Remove all spark plugs on cylinder bank 1 to 4.
If necessary, remove remove fan cowl.
IMPORTANT: Screw (
The boost pressure of the turbochargers is directly dependent on the flow of
exhaust gas which reaches the
turbocharger turbines. Both the velocity and the mass of the exhaust-gas flow
are directly dependent on engine
speed and engine load.
The engine-management system uses wastegate valves to co