RENNtech ECU Upgrade for E 320 (W210- 225 HP / 240 LB-FT) carbon-fiber RENNtech ECU Upgrade for 210

RENNtech ECU Upgrade for 210 - E 320

Mercedes-Maybach S 600 BiTurbo (W222 - M277 6

RPM Tuned: 286 HP and 309 TQ

RENNtech TCU upgrade is optimized for faster acceleration by matching the power output of our ECU and Turbo upgrades

RENNtech ECU Upgrade for E 320 (W210- 225 HP / 240 LB-FT) carbon-fiber RENNtech ECU Upgrade for 210RENNtech ECU Upgrade for 210 E 320, up to 225HP, 240LB FT. Gains: +10HP & 11LB 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. RENNtech tuning software for