Spools like a different car
Backpressure gone. Boost comes in a full 400rpm sooner and it pulls all the way to redline now. Fitment was dead-on — no massaging, no fighting the O2 bungs.
Marcus D.
C215 / R230 / W211 +3 · M113K
The legendary Mercedes-Benz M113K 5.4L supercharged V8 is already a powerhouse from the factory—but stock calibration leaves massive performance on the table. Our Stage 2+ ECU performance tune is specifically calibrated to harmonize the increased boost of a 77mm supercharger...
Guaranteed fitment
Will it fit your car?Not sure? Email us your VIN
On the dyno
The gains listed for this part, measured at the wheels. Your numbers will move with the car, fuel and tune.
Inside the build
Fitment
Your car on the list? You're good to go.
The details
The legendary Mercedes-Benz M113K 5.4L supercharged V8 is already a powerhouse from the factory—but stock calibration leaves massive performance on the table. Our Stage 2+ ECU performance tune is specifically calibrated to harmonize the increased boost of a 77mm supercharger pulley with the superior exhaust scavenging of MBH Long Tube Headers.
We don't just add fuel and timing; we completely reprogram the factory Bosch ME2.8 engine management system. By optimizing supercharger bypass valve control, refining torque management, and sharpening drive-by-wire mapping, this tune transforms your AMG into a responsive, tire-shredding monster while retaining factory reliability and refinement.
When paired with the required 77mm pulley and MBH Long Tube Headers, our calibration delivers massive, usable power across the entire RPM band
| Metric | Measured Gain (at the wheels) | Why It Matters |
| Peak Horsepower | +52 WHP | Sustained top-end pull without boost bleed-off |
| Peak Torque | +100 WTQ | Instantaneous, neck-snapping acceleration out of corners |
Disclaimer: For off-road racing and competition use only. This product is not intended or legal for installation on registered, licensed vehicles operated on public roads or highways.
Straight from the owners
Real cars. Real dyno sheets. Here's what owners say after the headers go on.
5.0 / 5
3 verified builds
Ready for yours?
Before you order
The questions we get asked most.
Still not sure?
Email us your question or VIN and we'll confirm fitment before you order.
sales@mbhmotorsports.com
It's built for C215 / R230 / W211 +3 · M113K. Pick your car in the fitment check at the top of this page to confirm. Not listed, or engine swapped? Email us your VIN and we'll confirm fitment before you order.
Right here in the USA, in our Phoenix, Arizona shop.
Yes. Email us with your car and your question and we'll get back to you. If you're unsure about fitment, include your VIN.