• ECU tuning for Mercedes C63, C63s, GLC63, GLC63s with M177 4.0L V8 BiTurbo
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BenzUnited Parts

Custom ECU Tuning for Mercedes C63 C63s GLC63 GLC63s – M177 Engine

Custom ECU Tuning for Mercedes C63 C63s GLC63 GLC63s – M177 Engine

$1,995.00 USD
$2,500.00 USD $1,995.00 USD
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Custom ECU Tuning

M177 4.0L V8 BiTurbo

C63, C63s & GLC63, GLC63s (W205 / X253)

ECU Tuning for C63 AMG M177

Unlock hidden horsepower and transform throttle response with our Custom ECU Tuning for the M177 4.0L V8 BiTurbo. Perfectly calibrated for C63 and GLC63 AMG platforms, this tune delivers unmatched power, daily drivability, and optimized boost response.

Tuned Output (with supporting hardware):

  • C63 / GLC63: Up to 625 HP & 650 lb-ft TQ

*Performance may vary based on fuel quality, elevation, and additional upgrades.

Why Choose Our ECU Tuning?

  • Refined Drivability: Sharper throttle response and improved boost control.
  • Customizable: Select your burble level, throttle sensitivity, and fuel type (91–100 octane).
  • Safe & Undetectable: OEM safety limits retained, checksum-matched, and dealer-safe.

Tuning Methods

  • Remote Handheld: Tune from home with our MyGenius handheld programmer (3 map slots included).
  • Bench Flash: Ship us your ECU—we’ll send it back fully optimized for your build.

Your AMG Deserves More

Upgrade to our custom ECU tuning today and feel the difference.

Questions about compatibility or installation? Email us — we're happy to help!

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