RENNtech ECU Upgrade E 550 | C207 | 402 HP / 405 LB-FT | MY2010-2011 audi-tt-rs--8j---2006-2014--2-5l-tfsi-i5-esr1470129 W222 - S 560 Maybach

W222 - S 560 Maybach

9 Mercedes Seven Speed Transmissions for CLS- and E-Class

Includes ECU Upgrade and Long Tube Header

Gains: +6HP & 12LB-FT

RENNtech ECU Upgrade E 550 | C207 | 402 HP / 405 LB-FT | MY2010-2011 audi-tt-rs--8j---2006-2014--2-5l-tfsi-i5-esr1470129 W222 - S 560 MaybachRENNtech ECU Upgrade for 207 E 550. Up to 402HP and 405 LB FT. Gains: +20HP & 14 LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. 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