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1999 Cadillac Sls

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

Counts are not adjusted for sales, age, mileage exposure or reporting. A lower count does not establish that a car is problem-free.

About this comparison →
5Owner complaints

Model-year median: 7.5

0Recall campaigns

View recall details →

0Investigations

View investigation details →

Check a VIN with NHTSA ↗ Model-level counts do not show whether a particular VIN is affected or repaired.

Inspection summary

1999 Cadillac Sls

NHTSA snapshot: September 18, 2026. 5 owner complaints · 0 recall campaigns · 0 investigations.

Counts are not failure probabilities and are not adjusted for sales, age, mileage exposure or reporting. One report may name several categories. Comparison method and limitations.

Top reported categories (up to 5)

  • Electrical System: 2 reports
  • Engine And Engine Cooling: 2 reports
  • Electronic Stability Control: 1 reports
  • Fuel System, Gasoline: 1 reports
  • Service Brakes, Hydraulic: 1 reports

Full reported-category list and vehicle report

Recall links

    No recall campaigns in this snapshot.

    Check a VIN with NHTSA. Model-level history does not establish whether a particular VIN is affected or repaired.

    Print the top reported categories, recall links, snapshot date and comparison limits.

    How this year compares

    Owner complaints by model year

    Other model years Selected year
    5
    1999    11
    2000    10
    2002
    Compare all Sls years →

    Counts vary with age, sales, mileage exposure and reporting. They are not failure rates.

    What owners reported most

    Electrical System
    2    Engine And Engine Cooling
    2    Electronic Stability Control
    1    Fuel System, Gasoline
    1    Service Brakes, Hydraulic
    1

    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

    Engine And Engine Cooling complaints

    2 reports
    Clear category filter
    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

    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

    Recall campaigns

    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 ↗

    Defect investigations

    0

    No exact-year investigations in this snapshot.

    An investigation is not a finding of a defect, and closure does not prove a vehicle is problem-free.