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.
C300 M272 ECU Tuning
$699.00
Sale price
$699.00
Regular price
$819.00
Skip to product information
W204 · M272
C300 M272 ECU Tuning
Transform your driving experience with the MBH Motorsports Performance ECU Tune. Specifically engineered for the W204 C300, our custom calibration optimizes your engine's factory parameters to deliver sharper throttle response, smoother power delivery, and an invigorating boost in performance.
$699.00
Sale price
$699.00
Regular price
$819.00
- 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 gains · at the wheels
Horsepower gain
17 wheel horsepower gain
Torque gain
14 wheel torque gain
From this part’s specs: +17 whp · +14 wtqShows the listed range, not a dyno sheet.
Inside the build
What sets it apart
Fitment
Built for these cars
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W204W204M272
Your car on the list? You're good to go.
The details
Specs & details
Transform your driving experience with the MBH Motorsports Performance ECU Tune. Specifically engineered for the W204 C300, our custom calibration optimizes your engine's factory parameters to deliver sharper throttle response, smoother power delivery, and an invigorating boost in performance.
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Proven Standalone Gains: Instantly add +17 Horsepower and +14 lb-ft of Torque to a stock vehicle with the software tune alone.
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Maximize Your Build: Looking for the ultimate naturally aspirated setup? Pair this tune with MBH Long Tube Headers to maximize exhaust flow and unlock significantly higher horsepower and torque across the entire RPM range.
Whether you are looking for effortless passing power or a more aggressive weekend at the track, the MBH Motorsports ECU tune is the essential first step in waking up your C300.
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.
$699.00
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 · M272. 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.