Your Vehicle
Mercury Mariner 2.5i 171hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online, installation quoted by the workshop Ask for a quote
Power HP
Torque Nm
Stage 1 for this engine: quote first, then the file online
The file costs 100 € online; the installation depends on how your ECU is worked on and the workshop confirms it. Ask for a quote: you receive the price and the link to buy the file. · terms
Power Graph
Mercury Mariner 2.5i 171hp: da 171 a 190HP
Remapping Mercury Mariner
MasterTuning develops remapping for Mercury. La Mercury Mariner 2.5i 171hp può passare da 171 HP a 190 HP con un incremento di 19 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 Mariner 2.5i 171hp
The Mercury Mariner 2.5i 171hp is equipped with a petrol engine that produces 171 HP and 232 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Mercury can achieve 190 HP (+11%) and 250 Nm (+8%).
Our Stage 1 tuning for the Mariner 2005 - 2012 delivers an impressive gain of +19 HP and +18 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The Mariner's petrol engine benefits significantly from professional ECU calibration. The result is a more responsive, enjoyable driving experience with improved power delivery throughout the rev range.
Technical Specifications — Mercury Mariner 2.5i 171hp
Factory technical data for the Mercury Mariner 2.5i 171hp (2005 - 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.
| Fuel | Petrol |
|---|---|
| Compression ratio | 9.7 |
| Bore × stroke | 88.9 X 100.1 mm |
| Stock power | 171 HP · 232 Nm |
| Remapped power (Stage 1) | 190 HP (+19) · 250 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 Mariner.
Frequently Asked Questions - Mercury Mariner
How much power can I gain from remapping my Mercury Mariner?
With MasterTuning Stage 1, your Mercury Mariner 2.5i 171hp can gain +19 HP (from 171 to 190 HP) and +18 Nm of torque. This represents a 11% increase in power.
Is ECU remapping safe for the Mercury Mariner engine?
Yes, MasterTuning's remapping for the Mercury Mariner 2.5i 171hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the engine.
Is the Mercury ECU remapping reversible?
Absolutely. The original factory calibration of your Mercury Mariner 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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