Difference between C200 and C250
we all know that W204 C250 (204hp) or C220 (170hp) is Quite more expensive than C200 (136hp) and as I see, it has the same engine 2143ccm. If I manually chiptuning the C200 I can get from 136hp to around 170hp. The same if I chiptuning C220 I can get from 170hp to 210hp, the same for C250, I can get from 205hp to around 240hp. Thats why I was wondering why I can't chiptuning the same much C200 as C250. Where is the main difference? Which parts are different? Otherwise I could chip C220 as much as C250. If only electronic is different I could chip C200 with 136hp as much as C250 to around 250hp. Am I right?

Thank you in advance.
Ran 250bhp up from 204bhp, wasn’t really worth it.
The other car is superbly fuel efficient - most notably on the Interstate.
The C250 is a coupe in Iridium Silver - The other car - a 4 door sedan - is white (and seldom needs washing)
Most of all they have - since new - been free of issues.
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