CT Tuning ECU Flash Mercedes CLS500 5.5L V8 W219 385HP
$1,800.00
- Description
- Additional information
Description
Transform the performance of your Mercedes CLS500 5.5L V8 W219 385HP with a professional ECU flash from CT Tuning. Our custom calibration optimizes the power curve of your 5.5L V8, replacing sluggish off-the-line performance with immediate throttle response and a relentless pull through the mid and top-end RPM range.
Crank Horsepower Ratings:
- Stock Power: 385hp | 391ft/lbs
- Tuned Power: 428hp | 442ft/lbs
ECU Flash Options:
- Vmax Off – Adjust or remove factory top speed limiter
- Race Exhaust – Optimized for full aftermarket race exhaust systems
- Pops & Bangs – Creates exhaust detonation on deceleration; requires full race exhaust system
- Cold Start Off – Deactivates cold start high-idle system
Why Choose CT Tuning?
- Tested and proven files for safe, reliable results
- ECU automatically adjusts for higher octane fuel
- Global expertise with tuning files tested for diverse environments
- Most flashes are fully reversible to stock settings
How to Flash Your ECU:
- Use the OBDII tool device (requires Windows PC) to store multiple files and switch between stock and tuned maps
- Schedule an appointment at our Arizona tuning center for installation
ECU Reference:
- This ECU/TCU typically identifies as Bosch ME9.7
Vehicle Fitment:
- Mercedes-Benz CLS500 5.5L V8 W219 2006-2010
Product Notes:
- Power ratings are converted from PS/NM and may vary slightly from advertised figures.
- Tuning must be used within 6 months of purchase.
- Support is available for 30 days after file delivery.
- Future modifications if supported or OEM software updates require a $350 file service fee.
- No refunds once software is issued or locked to a vehicle.
- Emissions readiness is not forced; original files are provided for return to stock.
Additional information
| Weight | 5 lbs |
|---|---|
| Dimensions | 13.25 × 11.5 × 2.38 in |
| Make | Mercedes-Benz |
| Model | CLS500 |
| Product Year | 2007, 2008, 2009, 2010 |
CT Tuning software is purchased with the intention of using these products for Racing Competition Only. As the authorized purchasing party, you understand that some or all of these parts may not comply with Federal, State, Province, and/or Local laws, ordinances, and regulations. As the buyer, you take responsibility to ensure that any modifications or upgrades that have been done to your vehicle conform to all applicable laws and regulations for road use, especially pertaining to safety and emissions. To make a purchase, you will be required to sign a waiver acknowledging that these products are intended for Racing Competition Only and not meant to be used on a road car.