IllustrationWHILE MY WIFE WAS DRIVING THE CAR AT ABOUT 38 MILES AN HOUR THE CAR JUST DIED OR CUT OUT ( THE IGNITION SYSTEM QUIT ), ON HER. THIS HAPPENED ON TWO DIFFERENT TIMES FOR HER AND ONCE FOR MYSELF. *TR
1999 Cadillac Sls
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Sls years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 4 of 5 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electronic Stability Control. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports1 fire reports0 injury reports
Electrical System complaints
2 reportsIT WAS DETERMINED BY MY LOCAL CADILLAC SERVICE DEPARTMENT THAT THE ALTERNATOR WAS FAULTY, DRAWING EXCESSIVE CURRENT WHILE THE ENGINE WAS OFF. I MENTIONED THE RECALL ON THIS MODEL AND THEY SAID IT HAD ALREADY BEEN REPLACED SO IT IS NOT COVERED. I FEEL THAT THIS IS AN ONGOING PROBLEM AND SHOULD BE REPLACED UNDER THIS PROGRAM. *TR…
Read full complaint
IT WAS DETERMINED BY MY LOCAL CADILLAC SERVICE DEPARTMENT THAT THE ALTERNATOR WAS FAULTY, DRAWING EXCESSIVE CURRENT WHILE THE ENGINE WAS OFF. I MENTIONED THE RECALL ON THIS MODEL AND THEY SAID IT HAD ALREADY BEEN REPLACED SO IT IS NOT COVERED. I FEEL THAT THIS IS AN ONGOING PROBLEM AND SHOULD BE REPLACED UNDER THIS PROGRAM. *TR
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.