RENNtech ECU+ Upgrade | W166 | GLE 450 SUV | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 mercedes-benz-sl-class--231---2017-present--sl65-amg-esr6416839 ceramic coated long tube headers

ceramic coated  long tube headers feature top of the line big tube 2" diameter T-304 stainless steel tubing

Rated by RENNtech (peak @wheel):              665 whp @ 5

Carbon Fiber Airboxes: Substantially larger than stock and a symmetrical design that delivers over 30% more filter area allows the engine to perform at the highest level in both stock and tuned form

Stainless Steel Sport Mufflers w/Electronic Valve System

The maximum power number reached with the RENNtech ECU Upgrade for the C292 - GLE 43 AMG Coupe is 400 HP and 440 LB-FT

RENNtech ECU+ Upgrade | W166 | GLE 450 SUV | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 mercedes-benz-sl-class--231---2017-present--sl65-amg-esr6416839 ceramic coated long tube headersECU+ Upgrade Up to 392 HP 463 LB FT Gains: +30 HP & +84 LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock