Unleash Your Mercedes Benz E550 M278 4.7L V8 Biturbo ECU Tunes (2012-2020)
 
Your E550's M278 engine is a detuned powerhouse from the factory. We unlock its true performance with our professional ECU calibrations, transforming your luxury sedan into a true performance machine.
Factory Baseline: 402 HP / 443 lb-ft (600 Nm)
 
Choose Your Power Level
 
Stage 1: The Sleeper Tune Transform your E550 with a simple software flash. This tune is designed for an otherwise stock vehicle, delivering a massive jump in power and torque that you will feel on every drive.
Peak Power: 520 HP
Peak Torque: 637 lb-ft (865 Nm)
Requirements: None (Stock hardware)
 
Stage 2: The AMG Hunter For the owner who demands maximum performance. By pairing our Stage 2 file with high-flow downpipes, your E550 will produce torque figures that rival supercars, delivering relentless acceleration.
 
Peak Power: 560 HP
Peak Torque: 690 lb-ft (935 Nm)
Requirements: High-Flow / Catless Downpipes
Cost: +$200 (vs. Stage 1)
 
Optional Add-On: Take Control of Your Tune
 
Powergate4 Handheld Tuner
 
Take full control of your vehicle's performance. The Powergate4 is a personal flashing device that plugs into your OBD2 port and pairs with your smartphone.
 
Flash From Your Driveway: Install your tune at home. No shop visit required.
Switch Maps on the Fly: Instantly switch between your stock file, a 91-octane tune, or your full-send Stage 2 race file.
Read & Clear Codes: Doubles as a diagnostic tool to read and clear check engine lights.
 
How Our Tunes Deliver: Our expert calibrators meticulously modify boost, fueling, and torque maps to optimize your engine's performance. This isn't just about raw power; it's about refining the entire driving experience.
 
Instant Throttle Response
Massive Torque at Any RPM
OEM Safety Protocols Retained
 
Disclaimer: All figures are approximate and based on 93 octane (98 RON) fuel. Individual results will vary based on vehicle health, maintenance, fuel quality, and testing conditions.