No power to the wheels
So I just purchased a w204 c63 amg and I'm stage 3 with 550 to my back wheels. I just had to replace the radiator battery and alternator. The reason i did this was because the car was shaking extremely bad at idol and at low rpms even if i was in a low gear. I have power agency long tube headers and my mechanic said the reason it was doing it was because of the radiator the battery and the alternator. also a leak in my header manifold. he said he fixed the leak and replaced those things i listed above. I just recieved my car yesterday and it still smells extremely rich, has no power to the wheels what so ever, and it is still shaking. Even if i am in 1st gear and slam it to the floor i barely go anywhere. My car just gets extremely loud. Obviously if you have long tube headers on your c63 you know what im talking about when i say loud. I dont know what the problem is and cant seem to find a fix. My buddy who drives an e55 claims its my intakes fuel injectors and intake box are all clogged and need to be cleaned. He also thinks its an engine mount but that would account for the lack of power. I checked my oil and it is comepletely fine a little low and im getting it changed today. I called my mechanic back and he is claiming that it is all codes. PLEASE HELP
This car is my baby and i will do anything to keep her. Please if you have any advice let me know asap.








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Just an EC V5 tune and headers will get you around 460-480whp depending on type of dyno used to measure.
Also - Surely you have a check engine light. Go get the codes read. It can be many things. One thing it isn't however, is a "radiator battery."
While you're at it, find a new mechanic. You say your car is your baby... If you had a baby would you take it to a side alley black market doctor in Mexico for vaccinations? Because that's what it sounds like you're doing to the car.
Seriously, your mechanic is going to cost you big bucks. And stop "slamming it to the floor" trying to get it to go. Something is wrong, you'll just make it worse.











