Pay in 4 interest-free payments of $124.38 Learn more
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Gains: +23HP & +20LB-FT
Setting stays with the car
The maximum power number reached with the RENNtech ECU Upgrade for the GLE 63 S AMG EQ Boost+ is 745 HP and 767 LB-FT
Stock: 550 HP | 502 LB-FT
205 - C-Class Sedan non-AMG | MY2015+
RENNtech ECU Upgrade for CLK 350 C209 | 290 HP / 278 LB-FT | MY2006-2009 audi-a8--d5---2019-present--esr6995164 Gains: +23HP & +20LB-FTRENNtech ECU Upgrade for 209 CLK 350 AMG, up to 290HP, 278LB FT. Gains: +22HP & 20LB 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