Rimappatura Mercedes-Benz CLA 45 AMG 381hp
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Mercedes-Benz CLA

Mercedes-Benz CLA 45 AMG 381hp

Fuel Type
Benzina
Original Power
381 hp
Original Torque
475 Nm
Generation
C117 - 2016 - 2019

Technical Specifications

Engine Code
M133 De 20 AL
ECU Type
Bosch MED17.7.2
Compression Ratio
8.6:1
Alesaggio x Corsa
83.0 X 92.0 mm

Power hp

Original
381hp
Modified
420hp
Difference
+39hp

Torque Nm

Original
475Nm
Modified
540Nm
Difference
+65Nm

Power Graph

Power after remapping 420hp
Torque after remapping 540Nm

Mercedes-Benz CLA 45 AMG 381hp: da 381 a 420HP

 
Original
Modified
Difference
hp
381hp
420hp
+39hp
Nm
475Nm
540Nm
+65Nm

Remapping Mercedes-Benz CLA

MasterTuning is a leader in developing remapping for Mercedes-Benz. La Mercedes-Benz CLA 45 AMG 381hp può passare da 381 HP a 420 HP con un incremento di 39 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 381hp

The Mercedes-Benz CLA 45 AMG 381hp is equipped with a petrol engine that produces 381 HP and 475 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Mercedes-Benz can achieve 420 HP (+10%) and 540 Nm (+14%).

Our Stage 1 tuning for the CLA C117 - 2016 - 2019 delivers an impressive gain of +39 HP and +65 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.

The engine code M133 De 20 AL identifies this specific powerplant configuration. The Bosch MED17.7.2 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.

With 381 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 381hp

Factory technical data for the Mercedes-Benz CLA 45 AMG 381hp (C117 - 2016 - 2019), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.

Engine codeM133 De 20 AL
ECU / Control unitBosch MED17.7.2
FuelPetrol
Compression ratio8.6
Bore × stroke83.0 X 92.0 mm
Stock power381 HP · 475 Nm
Remapped power (Stage 1)420 HP (+39) · 540 Nm (+65)

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 381hp can gain +39 HP (from 381 to 420 HP) and +65 Nm of torque. This represents a 10% increase in power.

Is ECU remapping safe for the Mercedes-Benz CLA engine?

Yes, MasterTuning's remapping for the Mercedes-Benz CLA 45 AMG 381hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the M133 De 20 AL 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.

Request a Free Quote

Configure your remap and receive a personalized quote in minutes

Mercedes-Benz CLA 45 AMG 381hp
Benzina Bosch MED17.7.2
Originale
381 HP
475 Nm
Stage 1
420 HP
540 Nm
+39 HP / +65 Nm
Stage 2
440 HP
560 Nm
+59 HP / +85 Nm
Stage 1
+39 HP / +65 Nm
Consigliato
Stage 2
+59 HP / +85 Nm
Performance
2 Year Warranty
100% Reversible
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Mercedes-Benz CLA 45 AMG 381hp 420 HP (+39 HP / +65 Nm)
Mercedes-Benz CLA 45 AMG 381hp
381 HP / 475 Nm 420 HP / 540 Nm
+39 HP / +65 Nm

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