RENNtech HHT ECU Upgrade for ML 350 BlueTec (W166- 260 HP / 485 LB-FT) mercedes-benz-s-class--220---1999-2006--s-500-esr5150893 TURBO UPGRADE CORE EXCHANGE POLICY

TURBO UPGRADE CORE EXCHANGE POLICY DISCLAIMER

Prepreg is widely known as the finest process in carbon fiber manufacturing and has been used for aerospace and military applications because of its superior consistency in weight

RENNtech ECU Upgrade 335d E90 (2007-2011- N73N2 Steptronic Diesel)

0L V12 BiTurbo) Stock Performance (at crank):

RENNtech HHT ECU Upgrade for ML 350 BlueTec (W166- 260 HP / 485 LB-FT) mercedes-benz-s-class--220---1999-2006--s-500-esr5150893 TURBO UPGRADE CORE EXCHANGE POLICYRENNtech Hand Held Tuner ECU Upgrade for 166 ML 350 BlueTec. up to 253HP and 485LB FT. Gains: +20HP & +30LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.