How does C63 get 50+ hp from an ECU Reflash?
Where does the extra power come from in the tune?
The new engine makes roughly 10 more hp per liter.
I was able to find a write-up and I guess they are a lot different... I did not know that. 3 valves per cylinder to 4, SOHC to DOHC, increased rpm, twin throttle bodies...
Ok it all makes sense now.
Last edited by Quickvr4; Oct 25, 2012 at 09:03 PM.
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Yes, there is no point spending millions on R&D for a new engine when you can detune your current performance one from the parts bin and use that. So yeah they made it crappier to differentiate the C class from the E and S, in my opinion of course. The ecu tune on the C63 and E63 come out about the same afterwards. The C gains 50hp, the E gains 10hp.


the ECU. Another thing is that the headers are smaller on the C63 to fit
in that small enginebay.

Its like saying how the hell does some turbo 4-banger has more power than some big displacement v8. One word: technology.
http://www.youtube.com/watch?v=rmRtj...layer_embedded
Its near impossible, as many have learned, to tune a NA C55 with the limitations of the MAF. Using a new ECM makes all the difference in the world for tuning and this will be my winter project with the boys at Speedriven in Palatine.
Last edited by Newzchspy; Oct 31, 2012 at 02:45 PM.
and being FI, much easier to "tune."









