Chrysler Pacifica Plug-In Hybrid vs Mercury Mountaineer

Both cars' complete complaint records, side by side.

Read the totals carefully. NHTSA publishes no sales figures, so the car that sold more collects more complaints regardless of quality. The rows worth weighing are the proportions — the share of complaints that involved harm, and which part dominates.

Measure	Chrysler Pacifica Plug-In Hybrid	Mercury Mountaineer
Complaints on file	1,077	2,646
Model years covered	2017–2025	1996–2010
Worst model year	2018	1997
Best model year	2024	2010
Crashes reported	19	191
Fires reported	30	91
Injuries reported	10	148
Deaths reported	0	5
Most complained-about part	Electrical System	Transmission & Drivetrain
Share of complaints involving harm	5.5%	16.4%

Chrysler Pacifica Plug-In Hybrid by year

127 375 83 107 40 219 77 48 1

17 18 19 20 21 22 23 24 25

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks

Electrical System 236 21.9%

Engine & Cooling 211 19.6%

Fuel & Propulsion 201 18.7%

Transmission & Drivetrain 172 16.0%

Other & Unspecified 94 8.7%

Driver Assist & Collision Avoidance 37 3.4%

Acceleration & Cruise Control 36 3.3%

Brakes 27 2.5%

Mercury Mountaineer by year

3 399 298 182 164 32 504 220 271 113 153 119 156 8 24

96 97 98 99 00 01 02 03 04 05 06 07 08 09 10

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks

Transmission & Drivetrain 399 15.1%

Tires 364 13.8%

Body & Structure 298 11.3%

Acceleration & Cruise Control 221 8.4%

Engine & Cooling 217 8.2%

Electrical System 190 7.2%

Brakes 142 5.4%

Seats 127 4.8%