Mercedes C63 S AMG 4.0L Gets Boosted with VR Tuned Tuning Box VRTuned.com January 20, 2016 Product Info, Tuning Tech The Mercedes C63 S AMG packs a punch of 503bhp with it’s 4.0L V8 twin turbocharged engine. This is a ton of horsepower for the sedan and it can only go up! For the Mercedes C63 S you can either do a ECU Flash or a tuning box. The ECU Flash requires the ECU to ...
