Strut, shock or spring failure on the 1999 Mercury Sable
When strut, shock or spring failure gets reported
Owners of the 1999 Mercury Sable report strut, shock or spring failure at a median of 75,000 miles. A quarter of the reports come in before 55,000 miles and a quarter after 105,000 miles, from 15 reports that carried an odometer reading.
A part like this is normally expected to survive 105,000 miles. It is the 1st most-reported problem on this model year.
The mileage distribution
The reported range runs from 35,000 miles at the tenth percentile to 150,000 miles at the ninetieth, a spread of 114,960 miles across the middle 80% of reports.
A spread this wide points at use rather than design. Towing, climate, service history and city mileage all move a failure like this, so the median is a weak guide to any individual car.
13% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 34,440 miles | 57,450 miles | 73,000 miles | 106,650 miles | 149,400 miles |
Read the 10th percentile as “one report in ten arrived this early”. Exact figures are shown in this table because it is the table of record; everywhere else on the site they are rounded to the precision the sample can carry.
What a percentile can and cannot tell you here
These five numbers describe the readings owners gave, in order. The median is the middle one: half the reports arrived below it. The 10th and 90th are the edges of the bulk of the distribution, and the distance between them is the part worth reading. A tight spread — say 70,000 to 95,000 miles — points at something that wears out on a schedule, and the schedule is knowable. A wide one, 20,000 to 190,000, points at a fault that hits some cars and never troubles others, which means the mileage on the listing in front of you tells you very little about your odds.
What these figures are not is a survival curve. Every reading here comes from a car whose owner filed a complaint, so the sample contains only failures: it cannot say what share of the fleet made it past 150,000 miles untouched, because those owners had nothing to report. Nor is the mileage the moment of failure — it is the odometer reading as recalled at the time of filing, which may be weeks later and is sometimes rounded to the nearest ten thousand by the person typing it.
Percentiles are shown at all only once 8 readings exist for the vehicle and mode. Below that the middle of a handful of numbers is noise wearing a decimal point, so the figures are withheld rather than dressed up.
What happens, and what it costs
Putting it right typically runs $500–$2,000 at an independent US shop. That range is an editorial estimate held in this site's failure-mode catalogue, not a figure from NHTSA, and it is a repair cost rather than a diagnosis cost.
The same failure on other years
The same failure is reported on 7 model years of this car. It shows up earliest on the 2000, at a median of 57,500 miles, and latest on the 1997 at 120,000 miles.
By volume the 2002 carries the most reports, with 176; the 1999 has 25. A mode that appears across most years of a model is usually a design choice rather than a bad batch.
If one year stands out to the left, that is the year to avoid; if the whole line sits at a similar mileage, this is wear rather than a defect in one production run.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The mileage is the one the owner gave.
While driving at 35 MPH driver heard a loud noise coming from the left front of the vehicle. Consumer pulled over to investigate the noise, and noticed that the left front tire blew out. Strut towers/coil spring failed. *ak *nm
I own a 1999 ,mercury sable.on may 13, 1999, while backing out of my driveway,I heard a very loud popping sound then a very loud grinding noise. I called my dealership and was told to bring my vehicle in. I then had it towed there. When they called to inform me of the problem, iwas told that the front right coil spring had broke and in the process had ruined my tire also. I wastold it would cost about $300.00 to fix and that it was not covered under my extended warrenty. I gave them the okay to fix it. Later that day, I was talking to an individual who told me about two other incidents that he had heard of this happening. Being a parent, with small children,I became concerned of their safety. I started looking for this problem came across some other incidents that this had happened but found no recall of this nature.I will have my vehicle back on monday, but have to wonder if I should be responsible for the expense or if the manfacture should be paying the expense. Next time the person this happens to may not be as lucky as I was. *ak
There were no events leading up to the failure. Coil spring failed and broke going out of our driveway, puncturing inner side wall of front left tire. We got a replacement strut and coil spring assembly from a salvage yard costing $53.30. New tire costing $59.73. Old coil spring showed no signs of abnormal corrosion so it should not have failed. We still have all old parts.*ak
Also reported on the 1999 Mercury Sable
Steering rack, gear or tie rod failure
Other powertrain problem
Seat belt or retractor failure
Other suspension problem
Other speed control problem
Other engine problem
How far this goes
Complaints are voluntary, so 25 is a floor and not a count of affected cars. Mileages are typed in by owners and cluster on round numbers. And the mode itself is assigned by software reading the complaint text, which is reliable in bulk and fallible one report at a time.
Questions this page answers
At what mileage does strut, shock or spring failure happen on the 1999 Mercury Sable?
Across 15 owner reports that included an odometer reading, half were filed by 75,000 miles. A quarter were filed before 55,000 miles and a quarter after 105,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is strut, shock or spring failure on the 1999 Mercury Sable?
25 reports have been filed with NHTSA, about 0.2 per 1,000 vehicles. Complaints are voluntary, so this is a floor rather than a count of affected cars.
What this is and is not. These are the mileages at which owners chose to complain to a federal agency, which is not the same as the mileage at which the part fails on every car. It skews toward failures that happened outside warranty, cost real money, or frightened someone. It is still the only public dataset that carries failure mileage at all, and the shape of a few hundred readings is informative even when a single one is not. Methodology · JSON · this failure on other cars
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed