1986 Mercury Grand Marquis Problems

Below Average Complaints

Real NHTSA owner complaints for the 1986 Mercury Grand Marquis.

19851987
Complaints
22
Crashes
0
Fires
12
Injuries
0
Fatalities
Recalls
0

Worst 1986 Mercury Grand Marquis Problems

Top 3 most-reported issues with average mileage at failure.

#18 complaints

Electrical System:Ignition:Switch

Fires:6
#24 complaints

Engine And Engine Cooling:Engine:Gasoline

Fires:2
#32 complaints

Electrical System:Ignition

Fires:1
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All Problems by Category

Every NHTSA complaint category for the 1986 Mercury Grand Marquis.

Electrical System:Ignition:Switch
8
complaints
Crashes
Fires
6
Avg Miles
Engine And Engine Cooling:Engine:Gasoline
4
complaints
Crashes
Fires
2
Avg Miles
Electrical System:Ignition
2
complaints
Crashes
Fires
1
Avg Miles
Electrical System:Wiring:Front Underhood
1
complaints
Crashes
Fires
1
Avg Miles
Power Train:Automatic Transmission:Lever And Linkage:Column Shift
1
complaints
Crashes
Fires
Avg Miles
Service Brakes, Hydraulic:Foundation Components:Disc
1
complaints
Crashes
Fires
1
Avg Miles
Service Brakes, Hydraulic:Foundation Components:Disc:Caliper
1
complaints
Crashes
Fires
Avg Miles
Steering: Steering Wheel/Handle Bar
1
complaints
Crashes
Fires
1
Avg Miles
Structure:Body:Door
1
complaints
Crashes
Fires
Avg Miles
Tire Defects
1
complaints
Crashes
Fires
Avg Miles
Unintended Acceleration
1
complaints
Crashes
Fires
Avg Miles

Search Owner Complaints

Read what owners actually reported to NHTSA for the 1986 Mercury Grand Marquis. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Other Mercury Grand Marquis Years

1986 Mercury Grand Marquis — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 1986 Mercury Grand Marquis reliable?
Verdict: Below Average Complaints. The 1986 Mercury Grand Marquis has 22 NHTSA complaints, 0 crash-related, and 0 recall campaigns. The most common issue is Electrical System:Ignition:Switch with 8 complaints. Source: NHTSA via VinItel.
What are common problems with the 1986 Mercury Grand Marquis?
Top reported problems: Electrical System:Ignition:Switch (8 complaints); Engine And Engine Cooling:Engine:Gasoline (4 complaints); Electrical System:Ignition (2 complaints). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
Does the 1986 Mercury Grand Marquis have any recalls?
No NHTSA recall campaigns have been issued for the 1986 Mercury Grand Marquis as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 1986 Mercury Grand Marquis?
Fewer complaints than typical for this model. That's a good sign, but every individual car is different — the VIN still tells you what happened to this specific one.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Mercury Grand Marquis reliability report with year-by-year comparison and generation analysis.

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