Weistec C63S W205 Quarter Mile Testing
A quarter-mile comparison of a factory-calibrated Mercedes-AMG C63S against the same car running only Weistec's M177 ECU Calibration and M177 High Flow Air Filters.
by Weistec Engineering
Weistec C63s W205 Quarter Mile, Stock vs Westec ECU and Filters
Here is a great comparison between a factory calibrated C63S, and one with nothing more than our Weistec M177 ECU Calibration and M177 High Flow Air Filters