RENNtech ECU+ Upgrade | W212 | E 63 (S) AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016 mercedes-benz-glk-class--204---2010-present--glk-350-blue-effiency-esr1676768 RENNtech ECU Upgrade for 212

RENNtech ECU Upgrade for 212 - E 400 BiTurbo 4-MATIC Coupé

If your vehicle is equipped with factory exhaust valves

The two-piece carbon fiber canards ars finished in a high gloss UV protectant clear coat

RENNtech is proud to introduce this sporty yet elegant rear deck lid spoiler for the S-Class

Mercedes-AMG SL 63 (R 232) 2022+ | AMG GT 63 (C192) 2023+

RENNtech ECU+ Upgrade | W212 | E 63 (S) AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016 mercedes-benz-glk-class--204---2010-present--glk-350-blue-effiency-esr1676768 RENNtech ECU Upgrade for 212ECU+ Upgrade Up to 669HP 734LB FT Gains: +64HP & +88LB FT RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be