RENNtech ECU Hand Held Tuner (HHT) for SLK 32 AMG (SLK 170) mercedes-benz-g-class--463---1990-2018--g-550-esr9191415 Optimized fitment

Optimized fitment

W205 | C-Class

The units may show light aesthetic imperfections which may in no way interfere with the functionality of the turbo

The R1 Performance Package was developed to deliver maximum power running on standard 93 octane gas

RENNtech ECU Hand Held Tuner (HHT) for SLK 32 AMG (SLK 170) mercedes-benz-g-class--463---1990-2018--g-550-esr9191415 Optimized fitmentRENNtech 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 reflashed at any time as many times as you wish. The