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.
E63 Biturbo ECU Tuning
Send in your ECU
$985.00
Sale price
$985.00
Regular price
$1,299.00
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W212 · M157
E63 Biturbo ECU Tuning
Unleash the true potential of your 5.5L V8 Biturbo with the MBH Motorsports E63 AMG ECU Tune. Engineered specifically to recalibrate factory fuel maps, ignition timing, and boost control parameters, this software upgrade transforms your AMG from a fast sedan...
- Engine Mercedes-AMG M157 5.5L V8 Biturbo
$985.00
Sale price
$985.00
Regular price
$1,299.00
- 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 · with ECU tune
152 wheel horsepower gain
Torque gain · with ECU tune
210 wheel torque gain
From this part’s specs: +152 whp · +210 wtqShows the listed range, not a dyno sheet.
Inside the build
What sets it apart
Fitment
Built for these cars
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W212W212M157
Your car on the list? You're good to go.
The details
Specs & details
Unleash the true potential of your 5.5L V8 Biturbo with the MBH Motorsports E63 AMG ECU Tune. Engineered specifically to recalibrate factory fuel maps, ignition timing, and boost control parameters, this software upgrade transforms your AMG from a fast sedan into an absolute supercar killer.
When paired with MBH Motorsports high-flow downpipes, this tune delivers staggering, dyno-verified gains of +152 wheel horsepower and +210 ft-lbs of wheel torque over factory power levels, dramatically improving acceleration across the entire powerband.
Engineered Performance & Drivability
This isn't just a high-boost file—it is a comprehensive engine management recalibration. The ECU tuning optimizes air-fuel ratios and turbocharger response to virtually eliminate turbo lag, producing instant low-end punch and relentless pull all the way to redline. Advanced thermal management and factory safety protocols are fully retained to ensure engine longevity and reliable performance under high-stress conditions.
Key Features:
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Massive Power Gains: Delivers an astonishing +152 WHP and +210 WTQ over stock when combined with MBH performance downpipes.
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Optimized Hardware Synergy: Specifically calibrated to extract maximum exhaust scavenging and airflow efficiency from MBH downpipes.
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Enhanced Throttle Response: Sharper, more immediate pedal feel with smooth, predictable power delivery in all drive modes.
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Top Speed Limiter Removal: Removes factory speed governors for unrestricted top-end potential on track days.
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Retained OEM Engine Safeguards: Maintains critical knock control, oil temperature limits, and safety buffers for maximum reliability.
Compatibility:
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Engine: Mercedes-AMG M157 5.5L V8 Biturbo
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Chassis: Mercedes-Benz E63 AMG (W212 2012–2016)
Tune Delivery Options
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Send in your ECU: Remove your ECU and ship it to MBH Motorsports. We load your tune in-house and send it back ready to reinstall.
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Remote flash device (+$199): No need to pull or ship your ECU. We ship you an OBD2 flash device and cable with step-by-step instructions, and you flash the tune to your ECU yourself, right from home. A laptop is required.
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.
Send in your ECU
$985.00
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?
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 W212 · M157. 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.