RENNtech ECU Upgrade | W212 | E 550 | 480HP / 605 LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2016 mercedes-benz-e-class-wagon--213---2017-present--e-350-esr7034463 Gains: +40HP & +70LB-FT

Gains: +40HP & +70LB-FT

and second

NOTE: HSM integrates with M

guide cool air directly to the turbos and coil packs • Fully pre-preg carbon fiber lightweight construction finished in UV protectant clearcoat • Integrated heat shield panel insert over turbos • Utilizes all OEM hard attachment points for an easy installation

RENNtech ECU Upgrade | W212 | E 550 | 480HP / 605 LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2016 mercedes-benz-e-class-wagon--213---2017-present--e-350-esr7034463 Gains: +40HP & +70LB-FTECU Upgrade 480HP 605LB FT Gains: +45HP +162LB FT Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or