C63 W205 ECU Tune

C63 W205 ECU Tune

$2,055.00
Sale price  $2,055.00 Regular price  $2,055.00
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C63 W205 ECU Tune

W205 · M177

C63 W205 ECU Tune

The W205 Mercedes C63 AMG is a masterclass in biturbo performance, but factory engine management purposefully limits the true potential of the M177 4.0L V8. The MBH Motorsports Performance ECU Tune is a comprehensive software recalibration engineered to eliminate these...

  • Engine Mercedes-AMG M177 4.0L V8 Biturbo
  • Chassis Mercedes-Benz C63 / C63 S AMG (W205)
$2,055.00
Sale price  $2,055.00 Regular price  $2,055.00

Guaranteed fitment

  • W205 · M177

Will it fit your car?Not sure? Email us your VIN

  • Made in the USAPhoenix, Arizona
  • Pay over time4 payments with Shop Pay
  • 5-year warrantyFlowsport+ limited
Not sure about your car? Email us your VIN

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 100 wheel horsepower gain
Torque gain 120 wheel torque gain
From this part’s specs: +100 whp · +120 wtqShows the listed range, not a dyno sheet.
C63 W205 ECU Tune
C63 W205 ECU Tune
$2,055.00

Fitment

Built for these cars

Swapped, or not listed? Email us your VIN
  • W205
    M177
    W205

Your car on the list? You're good to go.

The details

Specs & details

The W205 Mercedes C63 AMG is a masterclass in biturbo performance, but factory engine management purposefully limits the true potential of the M177 4.0L V8. The MBH Motorsports Performance ECU Tune is a comprehensive software recalibration engineered to eliminate these restrictions, delivering supercar-level acceleration, razor-sharp throttle dynamics, and relentless top-end pull while maintaining luxury refinement.

When combined with MBH Motorsports high-flow downpipes, this advanced calibration capitalizes on the drastically reduced exhaust backpressure to unleash staggering, dyno-proven gains of +100 wheel horsepower and +120 ft-lbs of wheel torque. The result is a radically transformed AMG that dominates the track.

Please note: Exact performance results may vary based on environmental factors, ambient temperature, dyno type, fuel quality, and overall vehicle condition.

Refined Power & Engine Reliability

Rather than merely turning up the boost, our calibrations meticulously optimize air-fuel ratios, ignition timing, and boost curves for a smooth, predictable power band. Factory electronic throttle lag is completely eliminated, yielding instant pedal response when calling for power. Crucially, all OEM failsafes—including thermal thresholds, knock detection, and torque management systems—remain fully active to safeguard your powertrain under extreme driving conditions.

Key Features:

  • Supercar Power Gains: Unlocks in excess of +100 WHP and +120 WTQ over stock when paired with MBH downpipes.

  • Hardware Synergy: Specifically calibrated to maximize the exhaust scavenging and rapid turbo spool provided by MBH downpipes.

  • Instant Throttle Dynamics: Eliminates factory pedal dead zones for immediate, crisp acceleration off the line.

  • OEM Safeguards Retained: Maintains all factory engine protections, thermal monitoring, and knock sensing for complete powertrain reliability.

  • Top Speed Limiter Removal: Deactivates factory speed governors for unrestricted top-end performance on closed courses.

Compatibility:

  • Engine: Mercedes-AMG M177 4.0L V8 Biturbo

  • Chassis: Mercedes-Benz C63 / C63 S AMG (W205)

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.

$2,055.00
Questions about this part?Email us your question or VIN.
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

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.

Scottsdale, AZ · Mar 2026

W211 · E55
Verified

Welds are art

Dyno sheet doesn't lie. Cleaner welds than anything I've had under a car and the coating still looks new after a season of desert heat.

Tony R.

Dallas, TX · Feb 2026

W205 · C63 S
Verified

They actually answer the phone

Called about fitment on a swapped G-wagon and got a real person who knew the platform. Parts shipped next day.

Dave K.

Miami, FL · Jan 2026

W463 · G63

Ready for yours?

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 W205 · M177. 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.

Built for your W205.

C63 W205 ECU Tune · $2,055.00