BHP+19 hp (11%)
Standard
171 hp
Tuned
190 hp
Torque+18 Nm (8%)
Standard
232 Nm
Tuned
250 Nm
Suitability
Moderate (4/10)Gains Profile
Power-focusedHeadroom
LowMercury Mariner 2.5i 171hp ECU Remapping
Considering an ECU remap for your Mercury Mariner 2.5i 171hp? A Stage 1 remap can take this 2005 - 2012 petrol engine from 171 BHP to 190 BHP and from 232 Nm to 250 Nm of torque (naturally aspirated). This engine scores 4/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercury Mariner can achieve.
How this engine compares
- 2ndof 2 Mercury Mariner engines by power gain
- 13%of the 9,842 engines we hold gain data for see a smaller power increase
- 7%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Mercury Mariner 2.5i 171hp is a 2.5L naturally aspirated petrol engine producing 171 BHP and 232 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 190 BHP and 250 Nm — a gain of around 19 BHP (11%) and 18 Nm (8%).
This engine has limited remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
Considerations
!Naturally aspirated engine: gains are usually limited; results vary widely.
Other Mariner 2005 - 2012 Engines
| Engine | BHP | Gain | Torque | Gain |
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