The AWE No Check Engine Light Guarantee offers peace of mind against the appearance of Check Engine Lights when products are installed properly and used as intended, on vehicles with no additional modifications (with the exception of other AWE products intended to work with the product in question). No problems, no lights. Easy.

Fitment
2015 Mercedes-Benz C400 4Matic
2016 Mercedes-Benz C450 AMG 4Matic
2017 Mercedes-Benz C43 AMG 4Matic