Worst 1985 Mercury Grand Marquis Problems
Top 3 most-reported issues with average mileage at failure.
Electrical System:Ignition:Switch
Electrical System:Ignition
Unintended Acceleration
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All Problems by Category
Every NHTSA complaint category for the 1985 Mercury Grand Marquis.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical System:Ignition:Switch | 7 | — | 6 | — | |
| Electrical System:Ignition | 4 | — | — | — | |
| Unintended Acceleration | 3 | — | — | — | |
| Engine And Engine Cooling:Engine:Gasoline | 2 | — | 1 | — | |
| Equipment:Appliance:Air Conditioner | 2 | — | — | — | |
| Tires:Tread/Belt | 2 | — | — | — | |
| Electrical System:Wiring | 1 | — | — | — | |
| Electrical System:Wiring:Interior/Under Dash | 1 | — | 1 | — | |
| Engine Problems | 1 | — | — | — | |
| Engine And Engine Cooling:Cooling System | 1 | — | — | — | |
| Fuel System, Gasoline:Delivery | 1 | — | 1 | — | |
| Fuel System | 1 | — | — | — | |
| Automatic Transmission | 1 | — | — | — | |
| Structure:Body:Door | 1 | — | — | — | |
| Vehicle Speed Control:Cruise Control | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 1985 Mercury Grand Marquis. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Mercury Grand Marquis Years
1985 Mercury Grand Marquis — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 1985 Mercury Grand Marquis reliable?
What are common problems with the 1985 Mercury Grand Marquis?
Does the 1985 Mercury Grand Marquis have any recalls?
Should I buy a 1985 Mercury Grand Marquis?
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.
Check Your Specific 1985 Mercury Grand Marquis
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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