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I have a gently used in excellent condition RaceChip GTS Black that fits CLS 550 2011-2018 This amazing product has 7 levels of tune and gives a definite improvement in power and fuel economy. I removed this from my 2016 CLS 550, car was sold, product in like new condition works great.
07-06-2022, 06:31 PM
RaceChip GTS Black CLS 550 2011-2018
