CT Tuning ECU Flash Mercedes CLS53 AMG 435hp C257 2018-2020
$1,500.00
- Description
- Additional information
Description
Experience a complete performance transformation for your Mercedes CLS53 AMG 435hp C257 (2018-2020) with a professional CT Tuning ECU flash. Our custom software recalibration significantly boosts power and torque while refining throttle response and overall drivability for a superior behind-the-wheel experience.
Crank Horsepower Ratings:
- Stock Power: 457hp | 384ft/lbs
- Tuned Power: 500hp | 443ft/lbs
ECU Flash Options:
- Vmax Off – Adjust the maximum speed limiter.
- Race Exhaust – Optimized for vehicles with full race exhaust systems.
- Pops & Bangs – Creates exhaust detonation on throttle release; requires full race exhaust system.
- Cold Start Off – Deactivates the cold start system.
- Feature availability depends on your vehicle’s software version, verified upon ECU read.
Why Choose CT Tuning:
- Global tuning expertise with a focus on premium customer service.
- Environmental adaptability for various driving conditions.
- Fully reversible to factory settings in most cases.
- Compatible with basic bolt-on parts without needing a retune.
- Automatic adjustment for higher octane fuels on gasoline models.
- Safe, reliable, and dyno-proven performance results.
How to Flash Your ECU:
This process requires a bench flash. Remove the ECU and ship it to our facility. We will back up your software, apply the tune, and return the unit via your chosen shipping method.
ECU Reference:
- This ECU/TCU may identify as – Bosch MG1CP002.
Vehicle Fitment:
- Mercedes CLS53 AMG 435hp C257 2018-2020
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 | CLS53 AMG |
| Product Year | 2018, 2019, 2020 |
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.