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2005 Mercedes Benz SL500

Owner reports · Recalls · Investigations

Limited comparison data

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

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How this year compares

Owner complaints by model year

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

What owners reported most

All reported categories

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: 17 of 19 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.

  • Service Brakes. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports2 fire reports1 injury reports

Electrical System complaints

4 reports
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90,000 miles · Mar 25, 2020
Electrical SystemFire

TL* THE CONTACT OWNS 2005 MERCEDES BENZ SL500. THE CONTACT STATED THAT THE WHOLE RIGHT SIDE OF THE VEHICLE TRUNK CAUGHT ON FIRE WHILE THE VEHICLE WAS PARKED. THE CONTACT STATED THAT THE FIRE STARTED IN THE UPPER RIGHT FRONT AREA OF THE TRUNK WHERE THEY WERE WIRES AND SAW SPARKS. THE CONTACT STATED THAT THE FIRE WENT OUT ON ITS O…

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TL* THE CONTACT OWNS 2005 MERCEDES BENZ SL500. THE CONTACT STATED THAT THE WHOLE RIGHT SIDE OF THE VEHICLE TRUNK CAUGHT ON FIRE WHILE THE VEHICLE WAS PARKED. THE CONTACT STATED THAT THE FIRE STARTED IN THE UPPER RIGHT FRONT AREA OF THE TRUNK WHERE THEY WERE WIRES AND SAW SPARKS. THE CONTACT STATED THAT THE FIRE WENT OUT ON ITS OWN BECAUSE THERE WAS NO OXYGEN. THE VEHICLE WAS NOT TAKEN TO A DEALER OR AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND INFORMED THE CONTACT THAT THEY WILL TOW THE VEHICLE TO MERCEDES-BENZ OF OAKLAND (2915 BROADWAY, OAKLAND, CA 94611). THE APPROXIMATE FAILURE MILEAGE WAS 90,000.

NHTSA ODI #11319250

9,000 miles · Apr 1, 2014
Electrical SystemVisibility

TL* THE CONTACT OWNS A 2005 MERCEDES SL500. THE CONTACT STATED THAT THE IGNITION SWITCH WAS FAULTY AND CAUSED MULTIPLE MALFUNCTIONS IN THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE BATTERY NEEDED TO BE REPLACED. THE BATTERY WAS REPLACED HOWEVER, THE FAILURE PERSISTED. THE MANUFACTURER WAS CONTA…

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

NHTSA ODI #10576421

16,385 miles · Mar 25, 2012
Electrical System

MY MERCEDES BENZ HAS A FAULTY ELECTRICAL WIRING IN THE COMMAND NAVIGATION UNIT IN MY SL500. THE VEHICLE HAS ONLY 16,385 MILES ON IT, THOUGH IT IS A 2005 MODEL, AND HAS BEEN HOUSED IN A HIGH-END GARAGE WITH NO TRAUMA, NO DAMAGE, AND VERY LITTLE WEAR AND TEAR. I PURCHASED THE CAR USED ABOUT 6 WEEKS AGO. WITHIN THE LAST 3 WEEKS TH…

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MY MERCEDES BENZ HAS A FAULTY ELECTRICAL WIRING IN THE COMMAND NAVIGATION UNIT IN MY SL500. THE VEHICLE HAS ONLY 16,385 MILES ON IT, THOUGH IT IS A 2005 MODEL, AND HAS BEEN HOUSED IN A HIGH-END GARAGE WITH NO TRAUMA, NO DAMAGE, AND VERY LITTLE WEAR AND TEAR. I PURCHASED THE CAR USED ABOUT 6 WEEKS AGO. WITHIN THE LAST 3 WEEKS THE UNIT HAS GONE FROM WORKING INTERMITTENTLY TO NOT WORKING AT ALL, SIMPLY PROVIDING A SCREEN MESSAGE: SYSTEM UNAVAILABLE. ON MARCH 5, 2012 I TOOK MY SL 500 THE AUTHORIZED DEALER HERE, AND CONTACTED THE SERVICE MANAGER . AFTER HAVING MY VEHICLE OUT OF COMMISSION FOR TWO DAYS, I READ THE DIAGNOSIS/REPAIR REPORT AND WAS TOLD THIS WAS NOT AN ERROR BY ME OR THE PREVIOUS OWNER BUT SOMETHING THAT HAPPENED SOMEWHERE IN THE MANUFACTURING PROCESS, PROBABLY ON THE ASSEMBLY LINE, AS THE SOUND AMPLIFIER HAD AN INTERNAL ELECTRICAL FAULT. ADDITIONALLY, I HAVE BEEN TO TWO INDEPENDENT MERCEDES BENZ DEALERS AND THEY COULD NOT FIX THE PROBLEM. I'VE ALSO LEARNED THAT I CANNOT SIMPLY REPLACE THE STEREO WITH A WORKING MODEL FROM ANY ELECTRICAL STORE (LIKE BEST BUY OR CAR STEREO GUYS). IT IS MY UNDERSTANDING THAT TO REPLACE THE COMMAND UNIT WOULD COST SEVERAL THOUSAND DOLLARS. IT IS MY BELIEF THAT WHILE THE CAR IS NOT WITHIN A TYPICAL FIVE OR SIX YEAR WARRANTY PERIOD (I JUST MISSED THAT PERIOD) IT IS CLEARLY A CAR THAT HAS BEEN WELL TAKEN CARE OF, BARELY DRIVEN, PROPERLY HOUSED, AND MAINTAINED. GIVEN THE FINDINGS FROM YOUR AUTHORIZED TECHNICIANS, IT SEEMS THAT THIS IS A PROBLEM THAT CAME WITH THE CAR THAT WOULD HAVE SURFACED AT SOME POINT. LUCKY ME THAT IT IS SURFACING NOW. I AM HOPING THAT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION WILL CONTACT MERCEDES ABOUT THIS FAULTY COMMAND UNIT. THERE ARE MANY OTHER MERCEDES OWNERS WHO HAVE AND ARE EXPERIENCING THIS ELECTRICAL NIGHTMARE. *TR

NHTSA ODI #10452934

4,000 miles · Oct 25, 2006
Electrical SystemService Brakes, Hydraulic

MERCEDES-BENZ SL500 (2005), 4000 MILES. BRAKES FAILED. IT WOULD SEEM TO BE AN ELECTRICAL OR COMPUTER FAILURE OF SOME KIND. AUTO WAS SERVICED A WEEK AGO. HAVE HAD TROUBLE WITH ELECTRICAL AND/ORL FEATURES FROM FIRST DAY OF PURCHASE. THE MOST DANGEROUS WAS TODAY'S BRAKE FAILURE. HAD TO PLACE CAR IN NEUTRAL AND THEN IN PARK TO …

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MERCEDES-BENZ SL500 (2005), 4000 MILES. BRAKES FAILED. IT WOULD SEEM TO BE AN ELECTRICAL OR COMPUTER FAILURE OF SOME KIND. AUTO WAS SERVICED A WEEK AGO. HAVE HAD TROUBLE WITH ELECTRICAL AND/ORL FEATURES FROM FIRST DAY OF PURCHASE. THE MOST DANGEROUS WAS TODAY'S BRAKE FAILURE. HAD TO PLACE CAR IN NEUTRAL AND THEN IN PARK TO MAKE IT STOP. *NM

NHTSA ODI #10171851

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.