RENNtech ECU Upgrade | SL 400 | R230 | 392HP/432LB-FT | 3.0L BiTurbo V6 | M276 mercedes-benz-e-class-sedan--213---2017-present--e-450-esr5934179 A stiffer chassis means more

A stiffer chassis means more grip

627 LB-FT @ 2

The two-piece carbon fiber canards ars finished in a high gloss UV protectant clear coat

RENNtech ECU Upgrade for 217 - S 65 AMG Coupé

All this while still maintaining the same approach angle as the OE front fascia so the RENNtech splitter retains the same clearance for parking stops and steep driveways

RENNtech ECU Upgrade | SL 400 | R230 | 392HP/432LB-FT | 3.0L BiTurbo V6 | M276 mercedes-benz-e-class-sedan--213---2017-present--e-450-esr5934179 A stiffer chassis means moreRENNtech ECU Upgrade for 231 SL 400 BiTurbo 4 MATIC. Up to 392HP and 432LB FT. Gains: +63HP & +78LB FT RENNtech M276 Biturbo ECU Upgrades are TV approved! 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 delivers the