Your Vehicle
Mercedes-Benz GLC 43 AMG 390hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Power HP
Torque Nm
Book your Stage 1 remap
499 € VAT included · pay online, the work is done at the workshop you choose
Power Graph
Mercedes-Benz GLC 43 AMG 390hp: da 390 a 420HP
Remapping Mercedes-Benz GLC
MasterTuning is a leader in developing remapping for Mercedes-Benz. La Mercedes-Benz GLC 43 AMG 390hp può passare da 390 HP a 420 HP con un incremento di 30 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 GLC 43 AMG 390hp
The Mercedes-Benz GLC 43 AMG 390hp is equipped with a petrol engine that produces 390 HP and 520 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Mercedes-Benz can achieve 420 HP (+8%) and 620 Nm (+19%).
Our Stage 1 tuning for the GLC 2019 - 2023 delivers an impressive gain of +30 HP and +100 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code M276 DE 30 LA identifies this specific powerplant configuration. The Bosch MED17.7.3.1 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 390 HP from factory, this Mercedes-Benz GLC 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 GLC 43 AMG 390hp
Factory technical data for the Mercedes-Benz GLC 43 AMG 390hp (2019 - 2023), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | M276 DE 30 LA |
|---|---|
| ECU / Control unit | Bosch MED17.7.3.1 |
| Fuel | Petrol |
| Compression ratio | 10.7 |
| Bore × stroke | 88.0 X 82.1 mm |
| Stock power | 390 HP · 520 Nm |
| Remapped power (Stage 1) | 420 HP (+30) · 620 Nm (+100) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Mercedes-Benz GLC.
Frequently Asked Questions - Mercedes-Benz GLC
How much power can I gain from remapping my Mercedes-Benz GLC?
With MasterTuning Stage 1, your Mercedes-Benz GLC 43 AMG 390hp can gain +30 HP (from 390 to 420 HP) and +100 Nm of torque. This represents a 8% increase in power.
Is ECU remapping safe for the Mercedes-Benz GLC engine?
Yes, MasterTuning's remapping for the Mercedes-Benz GLC 43 AMG 390hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the M276 DE 30 LA engine.
Is the Mercedes-Benz ECU remapping reversible?
Absolutely. The original factory calibration of your Mercedes-Benz GLC 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.
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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