Not exact matches
Best of all,
under full throttle in Sport Plus mode, the engine computer slightly delays ignition and injection during
gear changes, quickening the shifts.
It sounds much like a balloon with a hole in it and only manifests
under load and
under a lot of boost (e.g., going up a bridge in high
gear at
full throttle).
In fact, once you're out of first and second
gears the engine makes 197bhp
under full throttle, thanks to an ECU that allows the turbo to spin faster for limited periods of «overboost».
Under full throttle, the automatic program held its
gears right up to redline, proving more aggressive than my manual shifting and creating even more enjoyable engine sounds.
An optional AMG Performance exhaust system (fitted on the local car as standard) offers the same exhaust flap and a dedicated tailpipe trim design, but has a more audible note when the
throttle is open and during
gear shifting, downshifting and during upshifting
under full load.