RENNtech ECU+ Upgrade | S213 | E450 BiTurbo Wagon | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020 smart-esr7070754 Our intermediate ECU tune increases

Our intermediate ECU tune increases performance from 449 HP and 538 lb/ft torque up to 500 HP and 605 lb/ft at the crank

The R1 performance package increases performanceup to 696 hp and 801 lb/ft at the crank

R3 Performance Package includes:

R2 Performance Package for 230 - SL 65 AMG

5 Seat: Ball Head:   T70 Torx Thread Length:  27mm Quantity:   20 Configuration:  2-pc Finish:  Polished Finish Laser etch:   “Rt” logo on all bolt heads

RENNtech ECU+ Upgrade | S213 | E450 BiTurbo Wagon | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020 smart-esr7070754 Our intermediate ECU tune increasesECU+ Upgrade Up to 392 HP 463 LB FT Gains: +53 HP & +78 LB FT RENNtech M276 Biturbo ECU Upgrades are TV approved! 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