LINCOLN NAVIGATOR vs MERCURY MARINER

The LINCOLN NAVIGATOR (1998–2025, 28 model years) carries 1,711 NHTSA consumer complaints and 64 safety recalls, while the MERCURY MARINER (2005–2011, 7 model years) carries 1,715 complaints and 7 recalls. Severity indicators for the pair split as follows: 128 vs 48 crashes, 116 vs 4 fires, and 18 vs 0 reported fatalities.

Raw complaint counts favor whichever nameplate has fewer vehicles on the road, so the cleaner lens is components: which specific part families concentrate each model's filings? For the LINCOLN NAVIGATOR, the leading complaint category is electrical system (161 filings), followed by suspension and power train. For the MERCURY MARINER, it is steering (547), ahead of power train and vehicle speed control. When the two vehicles cluster around the same component, the problem is likely a shared supplier or a shared federal standard under stress; when they diverge, each nameplate has its own defect signature independent of the other.

NHTSA's New Car Assessment Program gives the LINCOLN NAVIGATOR an average 4.7/5 crash-test rating versus 3/5 for the MERCURY MARINER, aggregated across all model years with published scores. Use the side-by-side table below as your scorecard, but do not treat it as a verdict. Recall counts tell you how many defects the manufacturer has already been compelled to remedy; complaint counts tell you what owners are still flagging today; and safety ratings tell you how the vehicle performs in standardized barrier tests, three different lenses on the same underlying question. The "also compare" links at the bottom of this page let you triangulate against neighboring nameplates in each model's competitive set.