A Mercury VIN follows Ford's format, and the first three characters tell you where the car was built. In our vPIC decodes, 2ME was a Grand Marquis from St. Thomas, Ontario, 3ME was a Milan from Hermosillo, Mexico, 1ME covered the Sable and Montego from Chicago plus an older Sable from Atlanta, 4M2 was the Mountaineer and Mariner, and 2MR was the Monterey minivan from Oakville. Position 10 is the model year and position 11 is the plant. Once those match the car, the open recall list and the history report are what decide the price.
We ran Mercury patterns through NHTSA's free vPIC decoder on October 14, 2026, because the newest Mercury is now about fifteen years old. Automotive News, via Autoweek, reported that the last Mercury, a Grand Marquis, came off the St. Thomas line on January 4, 2011 and went out on a fleet order, and that Ford had sold more than 21 million Mercury cars and trucks in the U.S. since 1938. The Elgin County archives add that retail Grand Marquis production ended in October 2010 while fleet builds ran into January. If you are new to the 17 positions, start with how to decode a VIN, and keep our Ford VIN decoder open for the shared codes.
Positions 1-3: matching the WMI to the model
The WMI is the quickest way to catch an ad that mixes up models or years. A 2005 Grand Marquis LS pattern starting 2MEFM75W decoded to a 4.6-liter V8 from the St. Thomas plant, which vPIC files under Talbotville, Ontario, and 2008 and 2011 patterns from the same plant came back as flex-fuel 4.6 V8s. The Milan uses 3ME: a 2006 pattern decoded to a 2.3-liter four and a 2010 pattern to a 2.5-liter four, both from Hermosillo. The 1ME cars split by era. A 2003 Sable starting 1MEFM55S came back from Ford's Atlanta plant in Hapeville, Georgia with a 3.0 V6, while 2008 and 2009 Sables starting 1MEHM4 decoded to Chicago with a 3.5 V6.
The trucks all start 4M2. A 2002 Mountaineer with the 4.6 V8 decoded to St. Louis Assembly in Hazelwood, Missouri, while our 2006 and 2010 patterns came back from Louisville, Kentucky with the 4.0 V6. Mariners decoded to the Kansas City plant: a 2007 with the 3.0 V6, a 2008 that vPIC flagged as a strong hybrid, and a 2010 with the 2.5-liter four. The Monterey minivan starts 2MR, and our 2005 pattern decoded to a 4.2 V6 from Oakville, Ontario.
Positions 4-8: do not memorize Ford engine letters
The middle block holds restraints, series, body and engine, and Ford reused engine letters across models. Position 8 was a W on our 2005 Grand Marquis and came back as a 4.6 V8, and it was also a W on our 2008 Sable, which decoded to a 3.5 V6. So a W tells you nothing until you know the model and the year. Honestly, we only caught it because two of our own samples collided, and a one-letter-per-engine chart would have called one of them wrong. Decode the full VIN and compare the engine field to what is under the hood.
Positions 9-11: check digit, year and plant
Position 9 is the check digit defined in 49 CFR 565.15, and a cloned VIN copied from a real car still passes it. The same rule says position 7 must be a letter on light vehicles, and when it is, the year code in position 10 points to 2010-2039. We saw that in action. A 2011 Grand Marquis pattern with a number in position 7 came back as a 1981 with error flags, while the real 2011 pattern, which has a letter there, decoded clean. Year codes in our samples ran 2 for 2002 through B for 2011, and for plants we saw X for St. Thomas, R for Hermosillo, G for Chicago, A for Atlanta, U for Louisville, Z for St. Louis, K for Kansas City and B for Oakville.
Recalls on a Mercury VIN
The remedy documents send Mercury owners to Ford customer service, and the heavy items are air bags and steering. Recall 16V-384 covers 2006-2011 Milans originally sold or ever registered in listed hot, humid states for the passenger air bag inflator, and owners were told not to drive until it was fixed. 21V-158 covers 2006-2011 Milans for the driver-side inflator. On the Grand Marquis, 13V-385 covers 2005-2011 cars in salt states whose corroded lower steering shaft can seize, and 14V-704 rechecks cars whose repair under it may have been done wrong. 14V-284 covers 2008-2011 Mariners whose steering torque sensor can drop power steering assist. Our Ford recall check by VIN post shows the lookup, and the Takata air bag recall check covers the inflator side.
History first, then price
A decode will not show a salvage brand, an odometer rollback or a flood title. Grand Marquis sedans spent a lot of life in fleets, and the very last one went to a fleet buyer, so read the ownership lines and our post on fleet use on CARFAX before you trust a "one owner" claim. Look, a seller PDF with no VIN printed on it is not a history report, and on a car this old it is the first thing we would throw out. CARFAX says its reports draw on title, odometer, ownership and accident records. As of mid October 2026, a CARFAX report through us runs about $5.50 as a guest or about $4.50 as a member, and a CARFAX plus AutoCheck bundle is about $6.75, versus roughly $39.99 to $44.99 at retail. Confirm at checkout. We are a licensed CARFAX and AutoCheck reseller, not affiliated with CARFAX, AutoCheck, or Experian.
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