Turbo compounding is the process of using a ... the compressor in the upper right (blue arrows) is powered by the turbine wheel to its left (red arrows) to send boosted intake air to the engine.

An internal wastegate is most common, found right ahead of the turbocharger's turbine wheel. The internal ... also a pressure actuator linked to the turbo's boost pressure that controls the ...

However, Mercedes decided to aim for an unconventional split-turbo design. In a regular turbocharger, the compressor wheel and turbine wheel are connected by a short shaft, with the respective ...