RENNtech ECU Hand Held Tuner (HHT) for SLK 32 AMG (SLK 170) mercedes-benz-g-class--463---1990-2018--g-550-esr9191415 355 HP @ 5750 RPM

355 HP @ 5750 RPM

SL 63 (R232) 2022+

Complete kit includes all parts required for installation

This removes the need for the vehicle to be aligned after lowering

Optimized fitment

RENNtech ECU Hand Held Tuner (HHT) for SLK 32 AMG (SLK 170) mercedes-benz-g-class--463---1990-2018--g-550-esr9191415 355 HP @ 5750 RPMRENNtech 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