RoadVitals

2005 Saturn L300 Problems

Owner-reported complaints filed with NHTSA, grouped by component

Data refreshed

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
25
Latest Feb 20, 2026
Components namedHow many of our component categories appear on at least one report for this model year. One report can name several.
12
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
1

What this page shows

Everything below is an owner-reported complaint submitted to NHTSA about the 2005 Saturn L300, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Reports by component

Ranked by how many owner reports name each component category

  • Electrical725.0%
  • Engine517.9%
  • Powertrain (other)310.7%
  • Suspension310.7%
  • Fuel system27.1%
  • Steering27.1%
  • Tires & wheels13.6%
  • Driver assistance13.6%
  • Interior & seats13.6%
  • Other / unspecified13.6%
  • Seat belts13.6%
  • Brakes13.6%

Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.

Each component in detail

What the reports in each category say, in the owners' own words

Electrical

Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.

7
reports

From owner reports, verbatim

TL* THE CONTACT OWNS A 2005 SATURN L300. THE CONTACT STATED THAT WHILE ATTEMPTING TO TURN OFF THE ENGINE, THE KEY WAS OUT OF THE IGNITION SWITCH BUT THE ENGINE WAS STILL RUNNING. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE IGNITION SWITCH NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 38,247 AND CURRENT MILEAGE WAS 69,953. UPDATED 09/05/14*LJ THE CONSUMER STATED THE VEHICLE DID NOT START UP UNTIL THE KEY WAS REMOVED FROM THE IGNITION. THE VEHICLE BEGAN TO ROAR AND REV UP WHILE IN THE OFF POSITION. THE VEHICLE STOPPED ON IT'S OWN. UPDATED 09/11/2014 *JS

NHTSA ID 10608565 · filed Jul 7, 2014

TL* THE CONTACT OWNS A 2005 SATURN L300. THE CONTACT STATED THAT WHILE DRIVING VARIOUS SPEEDS, THE TRANSMISSION SHIFTED VIOLENTLY AND JERKED. THE FAILURE OCCURRED MORE FREQUENTLY IN WARM WEATHER TEMPERATURES. IN ADDITION, THE AIR CONDITIONER/HEATER FAILED TO OPERATE TO THE DESIRED SELECTION AND DID NOT CIRCULATE THE APPROPRIATE FLOW OF AIR THROUGH THE VENTS. THE VEHICLE HAD NOT BEEN DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 60,000.

NHTSA ID 10506053 · filed Apr 12, 2013

Too few reports in this category for a page of its own — they appear in the full complaint list.

Engine

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.

5
reports

From owner reports, verbatim

TL* THE CONTACT OWNS A 2005 SATURN L300. WHILE DRIVING APPROXIMATELY 40 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DETERMINED THAT THE SERPENTINE BELT HAD FRACTURED AND ENTERED INTO THE ENGINE COMPARTMENT. IN ADDITION, THE MECHANIC NOTICED A LARGE HOLE IN THE ENGINE COVER, WHICH ALLOWED THE DRIVE BELT TO ENTER INTO THE ENGINE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND REFERRED THE CONTACT TO THE DEALER. THE VEHICLE WAS TOWED FROM THE INDEPENDENT MECHANIC TO HUDIBURG CHEVROLET IN MIDWEST CITY, OKLAHOMA. PER THE MANUFACTURER'S RECOMMENDATION, THE VEHICLE COULD NOT BE DIAGNOSED BECAUSE THE ENGINE HAD BEEN DISASSEMBLED BY THE CONTACT'S MECHANIC. THE FAILURE MILEAGE WAS 129,472.

NHTSA ID 11020936 · filed Aug 31, 2017

LOW COOLANT LIGHT CAME ON FOR THE 3RD TIME. OIL COOLER SEALS WERE LEAKING. ALSO HAVING ALIGNMENT PROBLEMS. *NM

NHTSA ID 10163629 · filed Jul 27, 2006

Too few reports in this category for a page of its own — they appear in the full complaint list.

Powertrain (other)

Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.

3
reports

From owner reports, verbatim

WHILE DRIVING ON THE HIGHWAY AROUND 55MPH THE CAR WOULD SUDDENLY LOSE THROTTLE RESPONSE. ALL THE ENGINE LIGHTS WOULD COME ON AND THE CAR WOULD SHAKE VIOLENTLY UNTIL I TURN IT OFF AND THEN BACK ON. ONCE I DO THAT THE CAR DRIVES BUT SHIFTS VIOLENTLY. WAS TOLD IT WAS A PCM FAILURE. OCCURS MORE OFTEN IN COLD WEATHER. IT HAPPENS SO OFTEN THAT WHILE ON THE HIGHWAY I QUICKLY PUT IT IN NEUTRAL SHUT IT OFF AND TURN IT BACK ON WHILE STILL ON THE HIGHWAY. *TR

NHTSA ID 10593927 · filed May 25, 2014

TL* THE CONTACT OWNS A 2005 SATURN L300. THE CONTACT STATED THAT WHILE DRIVING VARIOUS SPEEDS, THE TRANSMISSION SHIFTED VIOLENTLY AND JERKED. THE FAILURE OCCURRED MORE FREQUENTLY IN WARM WEATHER TEMPERATURES. IN ADDITION, THE AIR CONDITIONER/HEATER FAILED TO OPERATE TO THE DESIRED SELECTION AND DID NOT CIRCULATE THE APPROPRIATE FLOW OF AIR THROUGH THE VENTS. THE VEHICLE HAD NOT BEEN DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 60,000.

NHTSA ID 10506053 · filed Apr 12, 2013

Too few reports in this category for a page of its own — they appear in the full complaint list.

Suspension

Reports naming suspension components — springs, struts, shocks, control arms and related hardware.

3
reports

From owner reports, verbatim

LOW COOLANT LIGHT CAME ON FOR THE 3RD TIME. OIL COOLER SEALS WERE LEAKING. ALSO HAVING ALIGNMENT PROBLEMS. *NM

NHTSA ID 10163629 · filed Jul 27, 2006

4/1/06-LOUD THUMPING WHILE DRIVING. REAR 2 TIRES CUPPING. SATURN STATED IT WAS A DESIGN FLAW AND SAID IT NEEDED A BOLT SHIM KIT AND 2 NEW TIRES. 4/11/06-SATURN PUT ON BOLT SHIM KIT, 2 NEW TIRES AND ALIGNED THE CAR. 7/8/06-LOUD THUMPING WHILE DRIVING. REAR 2 TIRES CUPPING. SATURN STATED THAT I WOULD HAVE TO REPLACE THE TIRES. SATURN REPLACED 1 OF THE NEW TIRES FROM 4/11/06 BECAUSE IT WAS WEARING BAD. 7/11/06-SATURN STATED THE ALIGNMENT WAS WAY OFF. SATURN ALIGNED THE VEHICLE AND PUT ON 2 NEW TIRES. ALSO LOW COOLANT LIGHT CAME ON FOR THE THIRD TIME AND SATURN REPLACED THE OIL COOLER SEALS. 7/25/06 - VEHICLE WOULD NOT START. *NM

NHTSA ID 10163627 · filed Jul 27, 2006

Too few reports in this category for a page of its own — they appear in the full complaint list.

Fuel system

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.

2
reports

From owner reports, verbatim

LEAKING FUEL PUMP

NHTSA ID 11377541 · filed Dec 2, 2020

2005 SATURN L300. S10 APPROPRIATE HANDLING - LETTER TO THE PRESIDENT FROM MICHAEL CERVINE ENCLOSING A LETTER WRITTEN TO GM RE SATURN VEHICLES. *NJ THE CHECK ENGINE LIGHT ILLUMINATED. THE CONSUMER TOOK THE VEHICLE TO THE NEAREST DEALER BY HIS HOME. THE DEALER ADVISED THE CONSUMER THE PROBLEM WAS THAT THE FUEL FILLER PIPE NEEDED TO BE REPLACED FOR ABOUT $400.00. THE CONSUMER GAVE THE DEALER PERMISSION TO MAKE THE REPAIR, HOWEVER WHEN TESTING THE VEHICLE, THE DEALER STATED THERE WAS A SHIMMY IN THE FRONT WHICH WAS CAUSED BY A BENT WHEEL ON THE LEFT SIDE. THE CONSUMER HAD NEVER NOTICED IT, BUT STATED HE DID HAVE TO ROUTINELY PUT AIR IN THE TIRE. THE REPLACEMENT WHEEL WAS OVER $500.00. THREE WEEKS AFTER THE REPAIR, THE CHECK ENGINE LIGHT ILLUMINATED AGAIN. THE CONSUMER TOOK THE VEHICLE TO HIS LOCAL MECHANIC INSTEAD OF THE DEALER. THE PROBLEM WAS SAME AS BEFORE WITH THE FUEL FILLER PIPE. THE MECHANIC NOTED THE FILLER CAP WAS NOT SEALING CORRECTLY. HE SHOWED THE CONSUMER HOW IT CONTINUED TO SPIN AROUND IF IT DIDN'T CATCH RIGHT. A NEW GAS CAP WAS ORDERED. 3 OR 4 WEEKS LATER, THE LIGHT ILLUMINATED AGAIN. THE MECHANIC STATED THE FILLER PIPE NEEDED TO BE REPLACED. THE CONSUMER WENT BACK TO THE DEALER AND TOLD THEM STORY. THE DEALER RESET THE LIGHT AND STATED THAT THE GAS CAP WAS PROBABLY NOT TIGHT ENOUGH WHICH CAUSED THE LIGHT TO ILLUMINATE. FOR THE NEXT 3-4 WEEKS THE CONSUMER CHECKED EACH TIME TO MAKE SURE THE GAS CAP WAS PROPERLY SECURED. WITHIN 3-4 WEEKS THE LIGHT ILLUMINATED AGAIN. THE CONSUMER RETURNED TO THE DEALER AND WAS TOLD THE FILLER PIPE WAS CRACKED AND NEEDED TO BE REPLACED AGAIN. *JB

NHTSA ID 10302708 · filed Jan 22, 2010

Too few reports in this category for a page of its own — they appear in the full complaint list.

Steering

Reports naming the steering system — racks, columns, power-steering assist and steering linkage.

2
reports

From owner reports, verbatim

DT*: THE CONTACT STATED WHILE TRAVELING 25 MPH, THE STEERING WHEEL LOCKED UP, CAUSING THE VEHICLE TO NOT BE ABLE TO TURN AND CRASHED INTO A TELEPHONE POLE. NO INJURIES WERE SUSTAINED, AND A POLICE REPORT WAS TAKEN. THE VEHICLE WAS AT THE SERVICE DEALER, WHO COULD NOT DETERMINE THE PROBLEM. THE INSURANCE COMPANY DEEMED THE VEHICLE TOTALED.

NHTSA ID 10173588 · filed Nov 15, 2006

MY NEW 2005 L300 HAS BEEN IN THE DEALERSHIP 5 TIMES FOR THE SHAKING IN THE FRONT SUSPENSION, IT THUMPS AND SHAKES THROUGHOUT THE FRONT BODY, PEDALS AND STEERING MAKING HANDLING DIFFICULT AT HIGHER SPEEDS AND ESPECIALLY IN SLUSH AND SNOW. THE TIRES HAVE BEEN REPLACED TWO TIMES AND BALANCED 5 TIMES. EVEN THOUGH CHANGING TIRES NEVER STOPS THE SHAKING. I'VE LOST CONTROL ON THE HIGHWAY CAUSING THE VEHICLE TO SWERVE FROM SIDE TO SIDE DUE TO THE CONTROL LOSS DUE TO SHAKING. ALTHOUGH THE DEALER CORRECTED SOME OF THE STEERING ISSUES ON THE LAST VISIT THE VEHICLE STILL SHAKES AND THUMPS AND IS HARD TO CONTROL IN CERTAIN SITUATIONS. *JB

NHTSA ID 10152484 · filed Mar 11, 2006

Too few reports in this category for a page of its own — they appear in the full complaint list.

Tires & wheels

Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.

1
report

From owner reports, verbatim

I BOUGHT A 2004 SATURN ION LEVEL 2, WITHIN 6 MONTHS THE STARTER WENT OUT, I WAS NOT ABLE TO GET TO WORK, SO I TRADE IT IN HOPING NOT TO HAVE THAT PROBLEM AGAIN...AND I GET THE BEST ONE A L 300 TOP OF THE LINE,,25,000...3 MONTHS DOWN THE ROAD THE FRONT TIRES SQUEAK AND THERE IS BLACK SOOT STUFF ALL OVER THE RIMS, YOU CANNOT EVEN SEE THE RIMS THAT WERE SILVER AND NOW BLACK...I DO NOT RIDE MY BREAKS, SO I AM THINKING PERHAPS I NEED TO GO SOMEWHERE ELSE AND PURCHASE A CAR WITH LESS PROBLEMS...AS I FEEL THIS COMPANY HAS NOT GOT A GOOD PRODUCT. *AK

NHTSA ID 10116337 · filed Apr 4, 2005

Too few reports in this category for a page of its own — they appear in the full complaint list.

Driver assistance

Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.

1
report

From owner reports, verbatim

DT*: THE CONTACT STATED WHILE APPLYING PRESSURE TO THE ACCELERATOR OR BRAKE PEDAL AT VARIOUS SPEEDS, BOTH WERE PRESSED DUE TO THE CLOSE PLACEMENT OF THE TWO. THE VEHICLE WAS INSPECTED BY THE DEALER WHO DETERMINED THIS WAS THE WAY THE PEDALS WERE DESIGNED. THE MANUFACTURER WAS ALERTED.

NHTSA ID 10170681 · filed Oct 12, 2006

Too few reports in this category for a page of its own — they appear in the full complaint list.

Interior & seats

Reports naming seats, latches, locks, linkages and interior fittings.

1
report

From owner reports, verbatim

Drivers seat suspension separated under the seat. Sudden drop caused temporary loss of full visibility, poor driver controls contact, distraction and potential collision. Problem is permanent and therefore unrepeatable and not presented to dealer or service center. Managed somewhat poorly afterwards with a pillow atop the seat. Problem has not been inspected by manufacturer, police, insurance representative or others. No warning lamps, messages or other symptoms of the problem prior to failure. None after failure.

NHTSA ID 11719339 · filed Feb 20, 2026

Too few reports in this category for a page of its own — they appear in the full complaint list.

Other / unspecified

Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.

1
report

From owner reports, verbatim

OUR 2005 L300 HAS 17,000 MILES ON IT - ONLY DRIVEN 8 MONTHS, WITH NO ACCIDENTS, NOT EVEN A BUMPER-TO-BUMPER INCIDENT. WE ALREADY HAVE TO REPLACE TWO WHEELS (AT $417 EACH - OUT OF OUR OWN POCKET) BECAUSE THE RIMS BENT SO BADLY THEY ARE USELESS (THEY ARE BOTH SAVED AT OUR HOME). WE BELIEVE, SINCE THERE WAS NO ACCIDENT OR INCIDENT TO CAUSE THIS PROBLEM, THE RIMS MUST HAVE BEEN DEFECTIVE, AND WE SHOULDN'T HAVE TO PAY FOR THEIR REPLACEMENT. WE ALSO HAVE TO REPLACE A STRUT, WHICH SATURN OF BLUE SPRINGS, MO SERVICE TELLS ME IS "SO RARE WE HAVE HARDLY EVER KNOWN IT TO BE THE CASE". I AM NOT GETTING THE SERVICE FROM SATURN THAT THEY ADVERTISE, AND I AM VERY DISSATISFIED. THIS IS OUR SECOND, AND LAST, SATURN. WE HAD MANY PROBLEMS WITH THE FIRST (2002 L200) SATURN WE HAD, AND WE TRADED IT IN ON THIS ONE, BEFORE THE EXTENDED WARRANTY RAN OUT, BECAUSE WE WERE AFRAID ALL THE PROBLEMS WOULD CONTINUE. NOW WE ARE HAVING MANY PROBLEMS WITH THIS ONE. THE DEALERSHIP IN BLUE SPRINGS MADE AN APPOINTMENT FOR THE NEXT DAY TO FIX THE STRUT, AND WHEN I CAME IN, THEY ADMITTED THEY HAD NOT EVEN ORDERED THE PART. THEY SAID THEY DIDN'T THINK IT WAS REALLY GOING TO BE A STRUT PROBLEM (SATURN OF OLATHE SAID THE SAME THING OVER THE PHONE - THEY ADMITTED THEY WOULDN'T EVEN ORDER THE PART UNTIL THEY HAD THE CAR TO VERIFY IT, AND I'D BE THERE ALL DAY). I DROVE OVER 100 MILES FOR NOTHING. AND IT TOOK ALMOST TWO HOURS FOR THEM TO GET ME A RENTAL CAR, SO I CAN COME BACK TOMORROW, ANOTHER 100 MILES OF GASOLINE AT $2.75 A GALLON, OUT OF MY POCKET AGAIN, TO GET MY CAR - ALL BECAUSE THEY DIDN'T THINK I KNEW WHAT I WAS TALKING ABOUT. *NM

NHTSA ID 10137790 · filed Sep 26, 2005

Too few reports in this category for a page of its own — they appear in the full complaint list.

Seat belts

Reports naming seat belts, buckles, retractors and pretensioners.

1
report

From owner reports, verbatim

DT: THE CONTACT STATED WHILE BRAKING THE REAR PASSENGER SEAT BELT DETACHED FROM THE VEHICLE. THE DETACHMENT OCCURRED WHERE THE SHOULDER HARNESS WAS ATTACHES TO THE PILLAR. HE CONTACTED THE MANUFACTURER, AND THEY WERE GOING TO CALL HIM BACK. THE VEHICLE HAS NOT BEEN TO THE DEALERSHIP, AND THERE HAVE BEEN NO REPAIRS MADE. *AK

NHTSA ID 10145120 · filed Dec 13, 2005

Too few reports in this category for a page of its own — they appear in the full complaint list.

Brakes

Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.

1
report

From owner reports, verbatim

DT*: THE CONTACT STATED WHILE APPLYING PRESSURE TO THE ACCELERATOR OR BRAKE PEDAL AT VARIOUS SPEEDS, BOTH WERE PRESSED DUE TO THE CLOSE PLACEMENT OF THE TWO. THE VEHICLE WAS INSPECTED BY THE DEALER WHO DETERMINED THIS WAS THE WAY THE PEDALS WERE DESIGNED. THE MANUFACTURER WAS ALERTED.

NHTSA ID 10170681 · filed Oct 12, 2006

Too few reports in this category for a page of its own — they appear in the full complaint list.

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .