2013 Mercedes-Benz SL 550

Routine

Owners filed 17 complaints about this vehicle with federal regulators, most often about the steering. It has been recalled 3 times.

What fails
ComponentReportsCrashesFiresInjuries
Steering5
000
Engine4
000
Wheels3
000
Power Train3
000
Suspension1
000
Service Brakes1
100

3 safety recalls

Part 573 reports
Communication19V787000
Filed Nov 1, 201924,226 vehiclesMercedes-Benz Usa, Llc.

Defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf

Risk. An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

Remedy. MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge. The recall began December 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019120008.

Steering › Electric Power Assist System16V899000
Filed Dec 14, 201670 vehiclesMercedes-Benz Usa, Llc.

Defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2013-2015 SL550, 2013-2014 SL63 AMG, 2014-2016 E350, 2014 E350 Cabriolet, E350 Coupe, 2014-2015 S550, 2015 E350 Bluetec, 2015-2016 E400, 2016 E550 Coupe, and Maybach S600 vehicles manufactured August 23, 2012, to August 14, 2015. The affected vehicles use an electric power steering system that may have improperly soldered contacts inside the control unit, potentially resulting in the power steering system deactivating while driving.

Risk. If the control unit pins lose connection, there would be a loss of electric power steering assist, increasing the risk of a crash. The increase in pin contact resistance can also increase the risk of a fire, even while the vehicle is parked and ignition is off.

Remedy. MBUSA will notify owners, and dealers will replace the electric power steering control unit, free of charge. The recall began October 13, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

Air Bags › Side/Window13V542000
Filed Nov 1, 2013130 vehiclesMercedes-Benz Usa, Llc.

Defect. Mercedes-Benz (Mercedes) is recalling certain model year 2013 SL63, SL550, and SL65 vehicles manufactured January 16, 2013, through April 30, 2013. The affected vehicles are equipped with an occupant classification system (OCS) that may not detect a very light person sitting in the front passenger seat.

Risk. If the OCS does not detect a very light person sitting in the seat, the passenger side air bag would be turned off. In the event of a crash necessitating side air bag deployment, the passenger would be at an increased risk of injury.

Remedy. Mercedes will notify owners, and dealers will replace the passenger side seat cushion including the OCS. The recall began on December 20, 2013. Owners may contact Mercedes at 1-201-573-0600.

What owners reported

Newest filings
Engine
Filed Mar 28, 2025WA

I was driving on a country road when all of a sudden my car lost power all the warning lights camo on the dashboard. Smoke started billowing out from the back and front of the car. It turned off and I only coasted about a 100 feet. I could not safely pull off to the side of the road as the car had no power. Thankfully the road was not very busy and the tow truck collected the vehicle. Upon further inspection I saw a lot of oil on the road and the mechanics were able to confirm that the engine block was cracked and there were 2 large holes. Upon further research I was able to find a lot of similar cases with this specific M278 Mercedes engine and premature failures that happen because of bad cylinder coating. In later engines they update the cylinder lining to a more durable steel sleeves. I think this is a very well documted issue and a huge safety risk. There is a class action lawsuit running about the M278 engine and I think you need to get involved and hold Mercedes accountable for their poor design.

Steering
Filed Dec 9, 202460,000 milesCT

The contact owns a 2013 Mercedes-Benz SL550. The contact stated while driving at an undisclosed speed, the vehicle lost power steering assist functionality. There was no warning light illuminated. The vehicle was taken to an independent mechanic, who determined that the steering rack needed to be replaced. The vehicle was not repaired. The contact related the failure to NHTSA Campaign Number: 16V899000 (Steering); however, the VIN was not included in the recall. The manufacturer was made aware of the failure but informed the contact that there was no recall associated with the VIN. The failure mileage was approximately 60,000.

Suspension
Filed Jun 7, 2024FL

The rear subframe experienced excessive levels of rust which caused the rear left side to suddenly collapse. After the collapse, the car would fish tail at low speeds (i.e., less than 15 miles per hour). I am thankful that the collapse did not happen when traveling at higher speeds such as an expressway, which would have certainly caused an accident. The Mercedes Benz dealer refused to cover the cost of the work to replace/repair the subframe. The dealer stated that they would cover the cost under an “extended warranty” if the car was manufactured for the US, but, as I found out, the car was made for Canada based on the VIN #. This is the case even though the subframe in this model had the same rusting issue in the US and in Canada. Additionally, I purchased the car in Florida. I am surprised that there had not been a full recall on this issue especially since it appears to impact over 500,000 Mercedes cars. Drivers are on the road with this issue and are unaware of this issue unless they happen to bring their car in for service specifically for this issue. Additionally, not honoring the recall for the car because it was made for Canada even though I am a US Citizen, the car was purchased in the US, and the car operates in the US does not make sense. This issue is a hazard on US roads, and should be proactively communicated and remediated. Not doing so poses a safety issue. I am further surprised that the Department of Transportation has not taken an active role in this issue

Power Train
Filed Apr 12, 2024MI

Started the vehicle and used the gear selector to shift to Drive. Car did not go into gear. Towed to dealer. Dealer found faulty “ism module.” Apparently a very common issue with these cars. So common that the part is in an “indefinite back order.” The replacement part is also revised because Mercedes knows there was a manufacturer defect with the existing part. I am being charged more than $1600 on a part that the manufacturer has already acknowledged was faulty and created a replacement for it.

Steering
Filed Dec 29, 2021CA

Our power steering went out all of a sudden. We took this to our mechanic who said it was a recall for the power steering. Fletcher Jones Mercedes' looked at the vehicle did a computer update recall and said the power steering is not covered. The car is very unsafe and we need this fixed.

Engine
Filed Nov 30, 2021TN

Cam sensor seals failed which leaked oil into the wire harness, O2 sensors, and ECM. This happens to be a common problem with M278 engine. The repair was $10,217 to fix this issue. The car would not pass emissions without this repair. Could oil into the electrical system pose a fire hazzard?

Steering
Filed Jun 1, 202165,000 milesNC

The contact owns a 2013 Mercedes-Benz SL550. The contact stated while the vehicle was being serviced at a tire shop, he was informed that the power steering assist warning light was illuminated. The steering wheel became difficult to turn. The contact took the vehicle to the local dealer to be diagnosed. The contact was informed that the steering assembly needed to be replaced. Upon investigation, the contact associated the failure with NHTSA Campaign Number: 16V899000 (Steering) however, the VIN was not included. The vehicle was not repaired. The manufacturer was informed of the failure. The failure mileage was approximately 65,000.

Service BrakesCrash
Filed Apr 8, 202036,800 milesCA

JUN 2017: ANNUAL SERVICE. ASK TO HAVE BRAKES CHECKED BECAUSE BRAKE PEDAL WAS TRAVELLING DOWN TO THE FLOOR. JUN 2018: ANNUAL SERVICE. COMPLAINT: BRAKE PEDAL WOULD HIT THE FLOOR AND AS IT TRAVELED DOWN FURTHER, THE ENGINE ACCELERATION TICKED-UP, AT WHICH TIME I RELEASED THE BRAKE PEDAL AND RE-APPLIED THE BRAKES SUCCESSFULLY. JUN 2019: ANNUAL SERVICE: STRONG COMPLAINT: DITTO JUN 2018 EXCEPT AS THE BRAKE PEDAL APPROACHED THE FLOOR, THE ENGINE ACCELERATION WAS INCREASING. 12 MAR 2020: ACCIDENT: TIME 0645 AM PST, TRAVELING WEST-BOUND ON A NEAR-STRAIGHTAWAY (SLIGHT 5-DEGREE CURVE TO THE LEFT) AT 40 MPH IN A 50 MPH ZONE ON A 6-LANE ROADWAY, IN FAR-RIGHT LANE WITH 8-CAR-LENGTHS TO THE CAR AHEAD, I APPLIED THE BRAKES AS THE CARS AHEAD OF ME SLOWED TO A STOP IN THE RIGHT LANE. I CONTINUED INCREASING PRESSURE ON THE BRAKES UNTIL THE PEDAL WAS ON THE FLOOR, THE ANTI-LOCK BRAKES SYSTEM NEVER ENGAGED AND AT ABOUT 20-FT TO THE CAR AHEAD, THE ENGINE RPM TOOK OVER DEFEATING THE WHOLE BRAKE SYSTEM RESULTING IN MY CAR ACCELERATING AND SMASHING INTO THE CAR STOPPED AHEAD OF MY CAR. IN HIND-SIGHT, I FOUND OUT THAT M-B OF SAN DIEGO SERVICE DEPT. NEVER PERFORMED A DRIVE-TEST TO CHECK-OUT MY REQUESTS BUT INSTEAD PERFORMED A STANDARD BRAKE-PADS & FLUID-LEVEL CHECK AND RETURNED THE CAR TO ME IN AS-IS CONDITION. UNTIL 12 MAR, THIS PROBLEM OF THE BRAKES TRAVELING TO THE FLOOR BEFORE THE RPM-INCREASE ENGAGED HAD BEEN UNDER CONTROL, BEING MOST NOTICEABLE AT LOW SPEEDS OF 10-12 MPH IN THE COSTCO PARKING LOT

Steering
Filed Apr 27, 201931,000 milesTX

MY CAR WAS MANUFACTURED IN 12/12. I TOOK MY CAR IN LAST YEAR BECAUSE SUDDENLY MY POWER STEERING QUIT WORKING ON ME. MY HUSBAND MAN-HANDLED THE STEERING AND DROVE IT 70 MILES TO THE NEAREST DEALERSHIP IN LUBBOCK, TX. THEY SAID IT WAS A COMPUTER ERROR AND HOOKED UP A DEVICE AND SAID THEY UPDATED THE COMPUTER SOFTWARE, NO PARTS REPLACED. TODAY, SUDDENLY MY POWER STEERING QUIT WORKING AGAIN. I READ ONLINE THERE IS A RECALL BUT MY VIN DOESN'T SHOW UP AS RECALLED. I CAN'T DRIVE IT BECAUSE NO POWER STEERING BUT MORE IMPORTANTLY IT SAYS IT CAN CATCH ON FIRE. THE VEHICLE WAS IN MOTION, LEAVING OUR 1/4 MILE DRIVEWAY AND TURNING. I REFUSE TO GO IN AND HAVE THEM DO A COMPUTER RESET AND NOT REPLACE THE PART THAT COULD CATCH ON FIRE, BECAUSES MY VIN IS NOT ON THE RECALL LIST. THIS IS TWICE IN LESS THAN ONE YEAR.

Steering
Filed Apr 27, 201931,000 milesTX

MY CAR HAD 30,000 MILES ON IT WHEN THE STEERING MECHANISM QUIT WORKING UP AND DOWN. IT TURNS OUT THE PROBLEM IS IN THE FORM OF IMPROPER INSTALLATION. THERE WAS NOTHING WRONG WITH THE PART. PART NO. 231 460 02 31. THIS PROBLEM OCCURRED AT THE FACTORY. THE TECHNICIAN OVER SHOT THE ADJUSTMENT LENGTH ON INSTALLATION, CAUSING THE POWER STEERING WHEEL ADJUSTMENT UP AND DOWN TO OCCUR INTERMITTENTLY. IT GETS STUCK IN THE UP POSITION MAKING IT VERY DIFFICULT TO EXIT THE CAR, ESPECIALLY IF YOU ARE A BIG PERSON. ALL MY HUSBAND HAD TO DO TO FIX IT WAS READJUST THE LENGTH AND IT WAS FIXED. THERE ARE THOUSANDS OF COMPLAINTS WHERE OWNERS ARE PAYING FOR NEW PARTS AND INSTALLATIONS AND THERE IS NOTHING WRONG WITH THE ORIGINAL PART. UNLESS YOU FIXED IT YOURSELF YOU WOULD NOT KNOW THIS. PLEASE LOOK INTO THIS AS I HAD TO PAY FOR A PART $160.65,$140 DIAGNOSIS FEE, AND MY HUSBAND HAD TO TAKE 4 HOURS OF HIS TIME TO FIX SOMETHING THAT WAS IMPROPERLY INSTALLED AT THE FACTORY. CAR IN ALL STAGES OF MOVEMENT.

Wheels
Filed Apr 27, 201931,000 milesTX

AUTO MOVING AND NOT MOVING. MY HUSBAND IS OCD AND VERY PARTICULAR ABOUT OUR VEHICLES. I HAD A FLAT TIRE ON A RUN FLAT AND DAMAGED MY LEFT DRIVER'S SIDE BACK WHEEL. WE DECIDED TO REPLACE ALL 4 TIRES AND THAT WHEEL. MY SPOUSE REMOVED ALL 4 WHEELS FROM VEHICLE, CLEANED AND INSPECTED EACH WHEEL AND WE CAREFULLY PUT THEM IN THE BACK OF OUR TRUCK. I TOOK THEM TO ALDERSON MERCEDES IN LUBBOCK. I WATCHED AS MONTE THE SERVICE ADVISER CAREFULLY REMOVED ALL 4 WHEELS. LATER IN THE DAY ALDERSON CALLS AND SAYS THAT THE RIGHT BACK WHEEL HAS A CRACK IN IT AND NEEDS TO BE REPLACED. I'M FLABBERGASTED AS I KNEW IT DIDN'T BEFORE I BROUGHT IT. BUT ITS A HE SAID SHE SAID. UPON RESEARCHING THE INTERNET FOR COMPLAINTS OF MERCEDES BENZ WHEELS CRACKING I FOUND A LOT OF THEM, ENOUGH FOR A CLASS ACTION SUIT. THE PROBLEM IS WHEN NEW RUN FLAT TIRES WHICH ARE EXTREMELY TOUGH ARE INSTALLED IT IS SO DIFFICULT THAT THEY CRACK. THIS IS A DEFECT OF THE WHEEL, NOT THE TECHNICIAN. I'M AFRAID THAT IF THEY CRACK THIS EASILY WHEN JUST PUTTING A NEW TIRE ON THEM, THAT THEY WILL CRACK WHILE DRIVING ON THEM. IF THIS HAPPENS THEN THE VEHICLE IS UNSAFE TO DRIVE. PLEASE LOOK INTO THE STRESS FRACTURE PROPERTIES OF MERCEDES BENZ WHEELS. I THINK THERE IS A POTENTIAL SAFETY HAZARD ISSUE. I DID NOT DRIVE OVER A POT HOLE, SO I KNOW AS OTHER COMPLAINTANTS KNOW THIS IS A MANUFACTURING ISSUE.

Engine
Filed Oct 31, 201874,000 milesFL

MY VEHICLE HAS A CAM SEAL LEAK THAT LEAKED OIL INTO THE WIRING HARNESS AND WIRING HARNESS AND OTHER COMPONENTS NEED TO BE REPLACED -- THE BILL IS $10,800 --- THIS CAM SEAL WAS A RECALL ISSUE FOR THE C CLASS AND FROM WHAT I READ SEEMS TO BE THE SAME OR SIMILAR ISSUE --- NOT AN ORDINARY WEAR AND TEAR ISSUE - THIS IS SHOULD BE A RECALL ISSUE AND MERCEDES SHOULD FIX -- THE CHECK ENGINE LIGHT CAME IN AND THEY SAID ENGINE WOULD NOT HAVE STARTED AND I WOULD HAVE BEEN STRANDED -- IT IS CURRENTLY BEING FIXED AT THE DEALER AT MY EXPENSE

Engine
Filed Jul 4, 2018CA

THE CAR SUDDENLY SLOW DOWN IN HIGHWAY GOES TO LIMP MODE FOR EXAMPLE FROM 69 TO 35 MILES IS VERY DANGEROUS I HAVE TO GET OFF THE HIGHWAY

Power Train
Filed Sep 4, 201728,000 milesWA

TRAVELING ON I-5 IN STOP AND GO TRAFFIC 0- 60 MPH WHEN TRANSMISSION STARTED SHIFTING ROUGHLY. IT THEN SHIFTED TO NEUTRAL AND WOULD NOT RESPOND TO SHIFTER INPUTS. I WAS IN THE SECOND LANE FROM THE RIGHT DOING 10 OR 15 MPH. I WAS ABLE TO FORCE MY WAY INTO THE RIGHT LANE AND OFF TO THE SHOULDER. I PUT THE TRANSMISSION IN SPORT AND PADDLE SHIFTER MODE WITH NO RESPONSE FROM THE SHIFT SELECTOR. THINKING THIS IS A COMPUTER PROBLEM I REBOOTED BY SHUTTING CAR OFF AND RESTARTING. ALL FUNCTIONS RETURNED TO NORMAL. TOOK TO DEALER WHERE I GOT VERY GOOD SERVICE BUT IT TURNS OUT THERE WAS A MERCEDES BULLETIN REGARDING THIS PROBLEM. IT REQUIRED A SOFTWARE UPDATE THAT HAS APPEARENTLY FIXED THE PROBLEM. WHAT HAPPENED TO ME WAS VERY MINOR WHEN COMPARED TO WHAT COULD HAVE HAPPENED LOSING POWER ON THE FREEWAY AND I BELIEVE THERE SHOULD HAVE BEEN A RECALL ON SUCH A SERIOUS SAFETY PROBLEM. COMPUTER FAULTS THAT WERE FOUND WERE P060600,P073000, P073200, P07300, P073400, P07350008

Wheels
Filed Apr 30, 201733,500 milesPA

TIRE WAS LOSING 1-2 POUNDS OF AIR A DAY. TOOK TO COSTCO TO FIX WHAT I BELIEVED WAS A TIRE LEAK. UPON EXAM COSTCO FOUND THAT WHEEL HAD A CRACK IN IT THAT WAS CAUSING PROBLEM AND TOLD ME THAT THEY SEE SEVERAL OF THESE CRACKS EACH YEAR ON MERCEDES. I THEN TOOK CAR TO MERCEDES DEALER AND BOUGHT A NEW WHEEL. MERCEDES WOULD NOT WARRANTY WHEEL ALTHO CAR STILL UNDER WARRANTY SAY I MUST HAVE CAUSED CRACK. I NEVER HIT ANYTHING THAT COULD HAVE CAUSED THE CRACK. MERCEDES DEALER ACKNOWLEDGED THAT THERE WAS BO EVIDENCE OF ANY DAMAGE TO WHEEL OR TIRE. I TAKE VERY GOOD CARE OF CAR. NO DAMAGE TO TIRE. IT WAS RT REAR WHEEL. MERCEDES WOULD NOT GIVE ME BACK THE CRACKED WHEEL AFTER I BOUGHT THE NEW ONE. THEY SEEM TO HAVE CARS ON ROAD WITH DEFECTIVE WHEELS THAT COULD GIVE AT ANY TIME.

Wheels
Filed Aug 20, 201514,472 milesSC

TL* THE CONTACT OWNS A 2013 MERCEDES BENZ SL550. WHILE DRIVING AT 10 MPH, THE INSTRUMENT PANEL INDICATED THAT THE FRONT DRIVER SIDE TIRE NEEDED AIR. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE WHEELS WERE REMOVED AND IT WAS DIAGNOSED THAT ALL FOUR TIRES WERE CRACKED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 14,472. THE VIN WAS NOT AVAILABLE.

Power Train
Filed Jan 2, 20141,200 milesCA

TL* THE CONTACT OWNS A 2013 MERCEDES BENZ SL550. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 40 MPH, THE PADDLE SHIFTERS WERE OPERATED AND THE CONNECTOR PLATE FAILED WITHOUT WARNING. THE CONTACT MENTIONED THAT THE VEHICLE FAILED TO ACCELERATE. ON ANOTHER OCCASION THE CONTACT STATED THAT WHILE COMING TO A COMPLETE STOP, THE VEHICLE LURCHED FORWARD WITHOUT WARNING. THE VEHICLE WAS TAKEN TO A DEALER WHERE THE FAILURE WAS UNABLE TO BE REPLICATED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE CONTACT STATED THAT THE MANUFACTURER INFORMED HIM THAT THE SUDDEN LURCH WHEN THE VEHICLE CAME TO A STOP WAS THE WAY THE VEHICLE WAS DESIGNED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 1,200 AND THE CURRENT MILEAGE 9,000. THE VIN WAS NOT AVAILABLE.

17 of 17 complaints, reproduced as filed.

Across model years

Worst on record: 2013
YearComplaintsRecallsFiresDeathsAssessment
20201300Routine
20190400Routine
20180200Routine
20174100Routine
20160100Routine
20152300Routine
20144400Routine
2013 — this page17300Routine
20112000Routine
200915010Routine
20084000Routine
200716130Routine
20031000Routine

Compare every SL 550 year →

Reading this record

No unusual pattern of severe incidents in the complaint record.

Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.

Recall repairs are free for as long as the recall stands. Check whether a specific car still has open work at NHTSA's VIN lookup.

Most recent recall on file: Nov 1, 2019. Source: NHTSA Office of Defects Investigation.