1999 Saturn SL problems & reliability
178 owner complaints filed with NHTSA for the 1999 Saturn SL. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
17 complaints report injuries (20 injured).
Federal crash records (FARS 2020–2023): 1999 Saturn SL vehicles were involved in 2 fatal crashes with 2 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine and Engine Cooling | 45 | 25% |
| Service Brakes, Hydraulic | 28 | 16% |
| Power Train | 22 | 12% |
| Air Bags | 20 | 11% |
| Electrical System | 20 | 11% |
| Seat Belts | 12 | 7% |
| Tires | 12 | 7% |
| Seats | 8 | 4% |
| Suspension | 8 | 4% |
| Steering | 7 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 64,000 miles (middle 50% between 44,300 and 107,327 miles), based on 73 complaints that included mileage.
Complaints by incident year
What owners report
“I just received a 1999 saturn sl 2 series a year ago from my mother for my very first car. I got it at about 100,000 miles and it is now currently at 122,446. I noticed about a month ago while I would be driving, usually after about 1-2 miles after starting up the car and driving, my gears began to slip. I kept up…”
Electrical System · filed Jun 19, 2020
“I was driving my niece's and nephew was holding onto the bars in the ceiling and it came off the bars in the ceiling while I was driving my whole roof liner came off I couldn't see I had to pull the whole liner down so I wouldn't get in an accident I noticed after I got home the metal brackets that the screws we're…”
Unknown OR Other · filed Feb 21, 2018
“Tl* the contact owns a 1999 saturn sl. While driving at various speeds, the engine stalled without warning and restarted after ten minutes. The failure was persistent. The contact also stated that the ignition failed to release the key. The vehicle was towed to the contact's residence. The vehicle was not diagnosed or…”
Electrical System · filed Sep 21, 2015
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
20 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1999 Saturn SL. The 10 most recent:
This service bulletin revision provides a repair procedure to Remove Debris from Evaporator Case, Disinfect evaporator or Apply Cooling coil coating and install blower motor control module to correct a customer concern…
98-T-18C · Service Bulletin/Repair Instructions · issued Mar 10, 2023
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
17-NA-073 · Service Bulletin/Repair Instructions · issued Feb 21, 2023
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723D · Service Bulletin/Repair Instructions · issued Jan 31, 2020
This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.
19NA273 · Service Bulletin/Repair Instructions · issued Dec 2, 2019
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696E · Service Bulletin/Repair Instructions · issued Nov 22, 2019
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696D · Service Bulletin/Repair Instructions · issued Sep 5, 2019
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696C · Service Bulletin/Repair Instructions · issued May 31, 2018
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723C · Service Bulletin/Repair Instructions · issued Sep 20, 2017
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723B · Service Bulletin/Repair Instructions · issued Feb 22, 2017
This technical bulletin provides a procedure to reprogram the media disc player with the latest calibrations to correct a condition of the rear entertainment system not operating as intended in colder ambient…
16NA260 · Service Bulletin/Repair Instructions · issued Aug 26, 2016
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 1999 Saturn SL in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1999 Saturn SL?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 64,000 miles — budget accordingly if the car is approaching that mileage.