Your Vehicle
Mercury Grand Marquis 4.6 V8 239hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online + installation 350 € at the workshop (via the OBD port) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
100 € VAT included: the file developed for your engine, paid online
Installation: 350 € network price, the workshop may charge less, paid at the chosen workshop (via the OBD port) · terms
Power Graph
Mercury Grand Marquis 4.6 V8 239hp: da 239 a 260HP
Remapping Mercury Grand Marquis
MasterTuning develops remapping for Mercury. La Mercury Grand Marquis 4.6 V8 239hp può passare da 239 HP a 260 HP con un incremento di 21 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Mercury Grand Marquis 4.6 V8 239hp
The Mercury Grand Marquis 4.6 V8 239hp is equipped with a petrol engine that produces 239 HP and 382 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Mercury can achieve 260 HP (+9%) and 400 Nm (+5%).
Our Stage 1 tuning for the Grand Marquis 2003 - 2012 delivers an impressive gain of +21 HP and +18 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code Modular 4.6 identifies this specific powerplant configuration. The Ford EEC-V ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 239 HP from factory, this Mercury Grand Marquis 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 — Mercury Grand Marquis 4.6 V8 239hp
Factory technical data for the Mercury Grand Marquis 4.6 V8 239hp (2003 - 2012), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | Modular 4.6 |
|---|---|
| ECU / Control unit | Ford EEC-V |
| Fuel | Petrol |
| Compression ratio | 9.3 |
| Bore × stroke | 90.2 X 90.0 mm |
| Stock power | 239 HP · 382 Nm |
| Remapped power (Stage 1) | 260 HP (+21) · 400 Nm (+18) |
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 Mercury Grand Marquis.
Frequently Asked Questions - Mercury Grand Marquis
How much power can I gain from remapping my Mercury Grand Marquis?
With MasterTuning Stage 1, your Mercury Grand Marquis 4.6 V8 239hp can gain +21 HP (from 239 to 260 HP) and +18 Nm of torque. This represents a 9% increase in power.
Which ECU does the Mercury Grand Marquis 4.6 V8 239hp use?
The Mercury Grand Marquis 4.6 V8 239hp uses the Ford EEC-V engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Mercury Grand Marquis 4.6 V8 239hp?
The engine code of the Mercury Grand Marquis 4.6 V8 239hp is Modular 4.6. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Mercury Grand Marquis engine?
Yes, MasterTuning's remapping for the Mercury Grand Marquis 4.6 V8 239hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the Modular 4.6 engine.
Is the Mercury ECU remapping reversible?
Absolutely. The original factory calibration of your Mercury Grand Marquis is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Mercury 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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