RENNtech ECU Hand Held Tuner | HHT | W220 | S55 AMG Kompressor | 528HP/552LB-FT | 5.5L Kompressor | M113 | MY2003-2006 mercedes-benz-gle-class--167---2021-present--gle-450-esr3392660 RENNtech ECU Upgrade for 212

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

CLS (C 219) 350 [2 Filters Required] (HP: 272 | Year: 04 > 06)

This front splitter is a fully functional aerodynamic component as well as an aggressive exterior enhancement on the muscular CLS

W205 - C63 AMG Sedan

635 wtq @ 3

RENNtech ECU Hand Held Tuner | HHT | W220 | S55 AMG Kompressor | 528HP/552LB-FT | 5.5L Kompressor | M113 | MY2003-2006 mercedes-benz-gle-class--167---2021-present--gle-450-esr3392660 RENNtech ECU Upgrade for 212RENNtech ECU HHT (HandHeldTuner) for the 220 S55 AMG Kompressor. Up to 528HP and 552LB FT. Gains: +35HP & +35TQ. 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.