Mercury Mariner 2005 - 2012 2.5i 171hp
Real standard and upgraded performance figures for the 2.5i 171hp engine in the Mercury Mariner 2005 - 2012.
These are real standard and Stage 1 (and where available, Stage 2) figures for the Mercury Mariner 2005 - 2012 2.5i 171hp — not a generic estimate for the model range.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 171 | 232 |
| Stage 1 | 190 | 250 |
| Stage 2 | 199 | 259 |
- Make
- Mercury
- Model
- Mariner
- Generation
- 2005 - 2012
- Engine
- 2.5i 171hp
- Fuel type
- petrol
Frequently asked questions
Is Stage 1 tuning safe for the Mercury Mariner 2005 - 2012 2.5i 171hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the 2.5i 171hp make after tuning?
Standard output is 171 HP / 232 Nm; Stage 1 on this engine typically reaches 190 HP / 250 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Mercury Mariner 2005 - 2012 2.5i 171hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the 2.5i 171hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.