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 RENNtech M157 Biturbo ECU Upgrades

RENNtech M157 Biturbo ECU Upgrades are TÜV approved

Stainless Steel Sport Mufflers w/Electronic Valve System

engineered and manufactured in house specifically for the SLS

Narrow & Tall Design Fits more cup holders

the systems bring out the true character of the car

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 RENNtech M157 Biturbo ECU UpgradesRENNtech 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