1999 Mercury Cougar engine problems
The 1999 Mercury Cougar has 76 engine complaints filed with NHTSA — 10% of the year's total, and up sharply from the prior model year.
76
Engine complaints
10%
Share of year
5
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“TL* THE CONTACT OWNS A 1999 MERCURY COUGAR. THE CONTACT STATED THAT WHILE DRIVING 45 MPH, SMOKE STARTED TO EMIT FROM THE ENGINE AND CAUGHT ON FIRE. THE CONTACT MENTIONED THAT THE FIRE EXTINGUISHED INDEPENDENTLY. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOT MADE AWARE OF THE…”
Common questions
How many engine complaints does the 1999 Mercury Cougar have?
NHTSA has 76 complaints about the 1999 Mercury Cougar engine — 10% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.