AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2000 Mercury Mountaineer

Overall rating NHTSA-grounded

Below average

Estimated 5-year repair + maintenance cost: $5,000–$8,000

The 2000 Mercury Mountaineer has significant reliability issues, with prominent recalls for speed control and seat defects. Owner complaints further highlight troubles with electrical systems, powertrain, and tires, limiting its overall reliability.

Most-common failures

Part Typical mileage Cost range Frequency
speed control60,000–100,000 miles$150–$400very common
tires40,000–70,000 miles$400–$800common
electrical system70,000–110,000 miles$250–$600common
powertrain80,000–120,000 miles$500–$1,500occasional
air bags50,000–90,000 miles$300–$1,000occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Oil changes every 5,000 miles
  • Brake pad replacement every 35,000 miles
  • Transmission fluid change every 60,000 miles
  • Coolant flush every 50,000 miles
  • Replace air filter annually

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Unresponsive speed control
  • Frequent tire pressure drops
  • Persistent engine warning lights
  • Odd noises from powertrain
  • Electrical malfunctions or flickering lights

Generated by gpt-4o on 7/25/2026. Cost ranges are conservative estimates that account for typical regional variation.