Is it worth repairing or replacing the engine on a 2010 Mercury Mariner?

As a general rule of thumb, an engine replacement on a 2010 Mercury Mariner (mid-size sedan segment, vehicle value roughly $2,500–$3,000) is usually worth it when the installed cost stays under about $1,250 — roughly 50% of what the vehicle is worth.

What years of Mercury Mariner does an remanufactured or new engine fit?

Based on vendor-verified fitment data across 4 listed engines, remanufactured and new engines for this model cover the 2005–2011 model years. Always confirm your exact VIN or engine/transmission code before ordering, since fitment can vary by submodel or engine.

2010 Mercury Mariner Engines

Remanufactured engines that fit the 2010 Mercury Mariner. Each unit below is matched to this vehicle, warranty-backed, and shipped with freight quoted at checkout from Peak Powertrain.

Available Engines (3)

FORD 2.5 09-12 ENGINE
Price
$4,547.86
Engine:
2.5L
Condition:
remanufactured
Remanufactured Engine
Price
$4,547.86
Engine:
3.0L
Condition:
remanufactured
Used Engine
Price
$464.00
Engine:
2.5L
Mileage:
130,919
Condition:
used

Other Mercury Mariner Years

2011(2)
2010(14)
2009(10)
2008(40)
2007(3)
2006(4)

2010 Mercury Mariner Engines

Available Engines (3)

FORD 2.5 09-12 ENGINE

Remanufactured Engine

Used Engine

Other Mercury Mariner Years

2010 Mercury Mariner Engine Market Context

Is replacing the engine worth it?

Frequently Asked Questions