Verified
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.
C63 AMG ECU Tune
$585.00
Sale price
$585.00
Regular price
$1,085.00
Skip to product information
W204 · M156
C63 AMG ECU Tune
Transform your driving experience with MBH Motorsports Performance ECU Tuning. Whether you are looking for a noticeable bump in power or aiming to unleash the absolute maximum performance from your C63, our proprietary software delivers uncompromising power, speed, and precision.
$585.00
Sale price
$585.00
Regular price
$1,085.00
- Made in the USAPhoenix, Arizona
- Pay over time4 payments with Shop Pay
- 5-year warrantyFlowsport+ limited
On the dyno
What it puts down.
The gains listed for this part, measured at the wheels. Your numbers will move with the car, fuel and tune.
- Listed gain
- Listed with a “+”: this much or more
Listed gains · at the wheels
Horsepower gain
120 or more wheel horsepower gain
Torque gain
90 or more wheel torque gain
From this part’s specs: 120+ whp · 90+ wtqShows the listed range, not a dyno sheet.
Inside the build
What sets it apart
Fitment
Built for these cars
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W204W204M156
Your car on the list? You're good to go.
The details
Specs & details
Transform your driving experience with MBH Motorsports Performance ECU Tuning. Whether you are looking for a noticeable bump in power or aiming to unleash the absolute maximum performance from your C63, our proprietary software delivers uncompromising power, speed, and precision.
Every ECU map is the result of rigorous dyno development and data logging. Engineered for seamless integration, our custom calibrations are tailored to elevate your stock setup—and they perform exceptionally when paired with the MBH Motorsports Long Tube Header system.
Estimated Power Gains:
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Tune Only (Stock Exhaust): +65 HP | +40 lb-ft TQ
-
Tune + MBH Long Tube Headers: +120+ HP | +90+ lb-ft TQ
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.
$585.00
Questions about this part?Email us your question or VIN.
Email us
Email us
Straight from the owners
Built, bolted, proven
Real cars. Real dyno sheets. Here's what owners say after the headers go on.
5.0 / 5
3 verified builds
Ready for yours?
Complete your W204 build
Before you order
Straight answers
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
Will this fit my car?
It's built for W204 · M156. 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.
Where is it made?
Right here in the USA, in our Phoenix, Arizona shop.
Can I ask a question before I order?
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.