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ECU tune swap for c300 4 matic to c350 4matic power levels

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Old Aug 28, 2024 | 11:20 PM
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mbstealership
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2014 c300 4matic luxury
Originally Posted by SlyFiset
Sorry
i started playing around with Pcmflash that i got from alexpress and also purchased another ecu to read and write the flash file
then i was able to retrieve my original flash file from the c300 4matic and send it to ecufiles.com.

I explained what i was looking for as a stage 2 file and they assured me that they could fulfill my requirements.

got the file back on monday and i just installed it a few hours ago successfully
I got in the car and it started right up

went for a ride and wow, it’s not the same car at all.
Throttle response is crisp and love the acceleration
That's awesome! Glad to hear you got what you were looking for! What year is your c300? Do you mind emailing me the specifics? I have no idea how to go about this.
Thanks
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