RENNtech ECU Hand Held Tuner (HHT) for CLK 55 W208| 352 HP / 390 LB-FT | MY2001-2002 mercedes-benz-glk-class--204---2010-present--glk-350-blue-effiency-esr1676768 R1 Performance Package for 230

R1 Performance Package for 230 - SL 600

the systems bring out the true character of the car

Narrow & Tall Design Fits more cup holders

With the proprietary RENNtech ECU Plus Upgrade the C205 - C 43 AMG Coupe gains up to +41 HP and +62 LB-FT

RENNtech ECU Hand Held Tuner (HHT) for CLK 55 W208| 352 HP / 390 LB-FT | MY2001-2002 mercedes-benz-glk-class--204---2010-present--glk-350-blue-effiency-esr1676768 R1 Performance Package for 230RENNtech ECU HHT (HandHeldTuner) for the 208 CLK 55 AMG, up to 352HP, 390LB FT. Gains: +10HP & 14LB 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