Your Vehicle
Mercedes-Benz CLA 45 AMG S 421hp
Technical Specifications
Power hp
Torque Nm
Power Graph
Mercedes-Benz CLA 45 AMG S 421hp: da 421 a 470HP
Remapping Mercedes-Benz CLA
MasterTuning is a leader in developing remapping for Mercedes-Benz. La Mercedes-Benz CLA 45 AMG S 421hp può passare da 421 HP a 470 HP con un incremento di 49 HP.
The development of each remap is customized by MasterTuning.
- 100% tested and customized files guarantee
- Tested and developed on a 4x4 dyno
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Mercedes-Benz CLA 45 AMG S 421hp
The Mercedes-Benz CLA 45 AMG S 421hp is equipped with a petrol engine that produces 421 HP and 500 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Mercedes-Benz can achieve 470 HP (+12%) and 620 Nm (+24%).
Our Stage 1 tuning for the CLA C118 - 2019 -> delivers an impressive gain of +49 HP and +120 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code M139 identifies this specific powerplant configuration. The Bosch MG1CP002 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 421 HP from factory, this Mercedes-Benz CLA is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.
Technical Specifications — Mercedes-Benz CLA 45 AMG S 421hp
Factory technical data for the Mercedes-Benz CLA 45 AMG S 421hp (C118 - 2019 ->), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | M139 |
|---|---|
| ECU / Control unit | Bosch MG1CP002 |
| Fuel | Petrol |
| Compression ratio | 9.0 |
| Bore × stroke | 83.0 X 92.0 mm |
| Stock power | 421 HP · 500 Nm |
| Remapped power (Stage 1) | 470 HP (+49) · 620 Nm (+120) |
Frequently Asked Questions - Mercedes-Benz CLA
How much power can I gain from remapping my Mercedes-Benz CLA?
With MasterTuning Stage 1, your Mercedes-Benz CLA 45 AMG S 421hp can gain +49 HP (from 421 to 470 HP) and +120 Nm of torque. This represents a 12% increase in power.
Is ECU remapping safe for the Mercedes-Benz CLA engine?
Yes, MasterTuning's remapping for the Mercedes-Benz CLA 45 AMG S 421hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the M139 engine.
Is the Mercedes-Benz ECU remapping reversible?
Absolutely. The original factory calibration of your Mercedes-Benz CLA is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Mercedes-Benz warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
Other Remaps You Might Like
Other Engines Mercedes-Benz CLA C118 - 2019 ->
Similar Power Mercedes-Benz
Most Popular Mercedes-Benz
Request a Free Quote
Configure your remap and receive a personalized quote in minutes
Your data is safe. No spam, just your quote.