← New search

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

Other model years Selected 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

What owners actually said

5 reports
52,969 miles · Apr 10, 2014
Electrical System

WHILE 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

NHTSA ODI #10578924

Mileage unknown · Jan 3, 2012
Electrical System

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…

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

NHTSA ODI #10442304

45,000 miles · Feb 2, 2010
Engine And Engine Cooling

BOUGHT AUTO 2003,AFTER 3MO AUTO ENGINE WOULD SHUT OFF WITHOUT WARNING AT ANY SPEED,HIGHWAY OR IN DRIVEWAY. TOOK AUTO TO DEALER AND AUTO KEPT FOR 3 DAYS AND DEALER UNABLE TO DUPLICATE PROBLEM. TOOK AUTO BACK 5 OTHER TIMES AND SAME RESULTS EACH TIME. COMPLETE TUNEUP WAS DONE THAT COST OVER $500.00 DOLLARS ,VACUUM HOSES REPLACED…

Read full complaint

BOUGHT AUTO 2003,AFTER 3MO AUTO ENGINE WOULD SHUT OFF WITHOUT WARNING AT ANY SPEED,HIGHWAY OR IN DRIVEWAY. TOOK AUTO TO DEALER AND AUTO KEPT FOR 3 DAYS AND DEALER UNABLE TO DUPLICATE PROBLEM. TOOK AUTO BACK 5 OTHER TIMES AND SAME RESULTS EACH TIME. COMPLETE TUNEUP WAS DONE THAT COST OVER $500.00 DOLLARS ,VACUUM HOSES REPLACED,IGNITION INSPECTED ,COMPLETE COMPUTER DIAGNOSTIC ELECTRICAL COMPONENT CHECKS. AUTO STILL DIES WITHOUT WARNING. SOMETIME WITHIN 2WKS AND SOMETIMES WITHIN 2MOS. *TR

NHTSA ODI #10303915

81,270 miles · Nov 24, 2007
Fuel System, GasolineFire

UPON STARTING MY CAR THEIR WAS A BACK-FIRE UNDER THE HOOD. I AGAIN STARTED THE CAR AND DROVE ABOUT TWO MILES TO MY HOME AND PARKED THE CAR IN THE GARAGE. I THEN ENTERED THE HOUSE THROUGH THE GARAGE DOOR AND STARTED LOOKING FOR RECEIPTS FOR CHARGES I MADE AT THE GROCERY STORE AND CHARGES I MADE REFUELING THE CAR. I WAS UNABLE TO …

Read full complaint

UPON STARTING MY CAR THEIR WAS A BACK-FIRE UNDER THE HOOD. I AGAIN STARTED THE CAR AND DROVE ABOUT TWO MILES TO MY HOME AND PARKED THE CAR IN THE GARAGE. I THEN ENTERED THE HOUSE THROUGH THE GARAGE DOOR AND STARTED LOOKING FOR RECEIPTS FOR CHARGES I MADE AT THE GROCERY STORE AND CHARGES I MADE REFUELING THE CAR. I WAS UNABLE TO FIND THE CHARGES MADE AT THE GAS STATION. I THEN RETURNED TO THE GARAGE TO LOOK IN THE VEHICLE FOR THE RECEIPT. AT THIS TIME I NOTICED SMOKE COMING FROM UNDER THE HOOD OF THE CAR. I OPENED THE HOOD TO FIND THE INSULATION SMOLDERING THAT IS ATTACHED TO THE HOOD OF THE AUTOMOBILE. I THEN GRABBED A SPONGE AND SOAKED IT IN A PAIL OF WATER THAT WAS IN THE SET-TUB LOCATED IN THE GARAGE. I PUT OUT THE FIRE THAT WAS NOW STARTING TO BURN UNDER THE HOOD. I CAN ONLY IMAGINE WHAT MIGHT HAVE HAPPENED IF I DIDN'T LOOK FOR THE RECEIPT AT THAT TIME SEEING AS HOW THE GARAGE IS UNDER THE ROOF OF MY HOME. NOTE: I HAD NOTICED ONCE BEFORE THAT PART OF THE INSULATION HAD BURNED UNDER THE HOOD OF THE CAR. THIS WAS A BURN ABOUT 12 INCHES SQUARE ON THE LEFT SIDE OF THE ENGINE NEAR THE MIDDLE OF THE HOOD. I ALWAYS WONDERED HOW THIS MIGHT HAVE HAPPENED. AT PRESENT THE AREA THAT HAS BURNED IS NOW ABOUT 18 INCHES IN DIAMETER. *TR

NHTSA ODI #10209802

80,000 miles · Aug 24, 2006
Electronic Stability ControlEngine And Engine CoolingService Brakes, Hydraulic

WHEN I FIRST PURCHASED THE CAR IT HAD A CRACKED HEAD AND MANY OTHER MINOR PROBLEMS. I REPEATEDLY BROUGHT IT BACK TO THE DEALERSHIP AND THEY TOLD ME THAT THERE WAS NOTHING WRONG WITH THE CAR. I AM STILL EXPERIENCING A "CHECK GAS CAP" WARNING AND I HEAR A CLICKING NOISE COMING FROM THE REAR RIGHT SIDE EVERYTIME I APPLY THE BRAK…

Read full complaint

WHEN I FIRST PURCHASED THE CAR IT HAD A CRACKED HEAD AND MANY OTHER MINOR PROBLEMS. I REPEATEDLY BROUGHT IT BACK TO THE DEALERSHIP AND THEY TOLD ME THAT THERE WAS NOTHING WRONG WITH THE CAR. I AM STILL EXPERIENCING A "CHECK GAS CAP" WARNING AND I HEAR A CLICKING NOISE COMING FROM THE REAR RIGHT SIDE EVERYTIME I APPLY THE BRAKES. ALSO I HEAR A RATTLING NOISE EVERYTIME I HIT ANY SIZE OF BUMP. *JB

NHTSA ODI #10166478

Official recalls

0

No 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

0

No exact-year investigations in this snapshot.