Description
Elevate the performance of your Mercedes-Benz 550's M278 4.7L V8 BiTurbo engine with Fabspeed Motorsport's ECU software upgrade. This upgrade recalibrates sensor inputs, air/fuel ratios, and boost pressure to deliver substantial gains in horsepower, torque, and overall driving experience.
Key Features:
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Comprehensive Fitment:
- Compatible with all Mercedes-Benz 550 M278 4.7L V8 BiTurbo vehicles, including:
- E-Class
- S-Class
- CL-Class
- CLS-Class
- SL-Class
- M-Class
- GLE-Class
- GL-Class
- GLS-Class
- Compatible with all Mercedes-Benz 550 M278 4.7L V8 BiTurbo vehicles, including:
-
Significant Performance Gains:
- Stock:
- Varies by model
- Tuned:
- +100 HP
- +110 TQ
- Stock:
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Reversible Tuning:
- Fabspeed Motorsport saves your stock/factory ECU settings, allowing you to revert your vehicle back to stock settings at any time.
Important Notes:
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Non-Physical Product:
- This upgrade requires you to send your ECU to Fabspeed for reprogramming. After purchase, you will receive a download link with detailed instructions.
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Shipping Details:
- Shipping costs for sending the ECU to Fabspeed are the responsibility of the purchaser. The ECU will be tuned within 24-48 hours of receipt and will be shipped back using the same method it was received (e.g., Ground, Overnight).
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Special Requests:
- Special requests and tune file upgrades may incur additional fees.
Purchase Disclaimer:
Fabspeed Motorsport does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Fabspeed Motorsport will not tamper, remove, disable, or bypass emissions equipment on a motor vehicle in accordance with 40 CFR Section 86.1854.12(a)(3), Clean Air Act 40 CFR 1068.101(b). This includes software, known as tunes, that reprogram a motor vehicle's electronic control module to alter engine performance and enable the removal of filters, catalysts, and other critical emissions controls.
