SuspensionPart report

1999 Cadillac STS Suspension Problems

Complaints: 1about this part
Share: 8%of 13 total for the year
Median mileage: 174,000miles
Trend: Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the suspension of the 1999 Cadillac STS, 8% of the 13 complaints for this model year. Where a mileage was given, the median is 174,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Suspension: other model years

Year	Complaints	Share of year
2008	2	4%
2006	3	2%
2005	5	5%
2004	1	14%
2003	1	13%
2002	1	14%
2000	3	25%
1999	1	8%

Other parts of the 1999 Cadillac STS

Electrical system
6 complaints Engine cooling
6 complaints Engine
2 complaints Steering
1 complaints

← All problems reported for the 1999 Cadillac STS

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology