Your Vehicle
Mercedes-Benz G 500 421HP
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Power HP
Torque Nm
Power Graph
Mercedes-Benz G 500 421HP: da 421 a 500HP
Remapping Mercedes-Benz G
MasterTuning is a leader in developing remapping for Mercedes-Benz. La Mercedes-Benz G 500 421HP può passare da 421 HP a 500 HP con un incremento di 79 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 G 500 421HP
The Mercedes-Benz G 500 421HP is equipped with a petrol engine that produces 421 HP and 610 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Mercedes-Benz can achieve 500 HP (+19%) and 820 Nm (+34%).
Our Stage 1 tuning for the G g-2017 delivers an impressive gain of +79 HP and +210 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code M177 identifies this specific powerplant configuration. The Bosch MED17.7.5 / Bosch ME9.7 / Bosch ME2.8 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 421 HP from factory, this Mercedes-Benz G 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 G 500 421HP
Factory technical data for the Mercedes-Benz G 500 421HP (g-2017), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | M177 |
|---|---|
| ECU / Control unit | Bosch MED17.7.5 / Bosch ME9.7 / Bosch ME2.8 |
| Fuel | Petrol |
| Compression ratio | 10.5 |
| Bore × stroke | 83.0 X 92.0 mm |
| Stock power | 421 HP · 610 Nm |
| Remapped power (Stage 1) | 500 HP (+79) · 820 Nm (+210) |
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 G.
Frequently Asked Questions - Mercedes-Benz G
How much power can I gain from remapping my Mercedes-Benz G?
With MasterTuning Stage 1, your Mercedes-Benz G 500 421HP can gain +79 HP (from 421 to 500 HP) and +210 Nm of torque. This represents a 19% increase in power.
Is ECU remapping safe for the Mercedes-Benz G engine?
Yes, MasterTuning's remapping for the Mercedes-Benz G 500 421HP is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the M177 engine.
Is the Mercedes-Benz ECU remapping reversible?
Absolutely. The original factory calibration of your Mercedes-Benz G 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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