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Has anyone with a C400 achieved the aggressive "upshift brap"

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Old Mar 24, 2026 | 04:40 AM
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Mercedes c400
Has anyone with a C400 achieved the aggressive "upshift brap"

Hey there,

I’m looking for C400 owners who have successfully gotten the aggressive upshift brap the sharp crack or bark during wide open throttle gear changes not just the deceleration pops and bangs. The same one the mercedes c450 and mercedes c43 have.

My current setup:
  • Downpipes: Catless downpipes
  • Catback: Custom exhaust
The hardware is there.. Now I need the ECU tune that specifically delivers the upshift burble. I know many Stage 2 tunes add decel pops, but I’m specifically looking for the sound during the shift itself.I want to get this right before pulling the trigger on the tune. Appreciate any firsthand feedback!
Last edited by Myne; Mar 24, 2026 at 04:41 AM. Reason: extra information
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Old Mar 24, 2026 | 06:54 AM
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