Total Complaints
7 filings
MERCEDES-BENZ S550 4MATIC · model year
7 NHTSA complaints, 2 crash reports, and 2 active recalls for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2015MERCEDES-BENZS550 4MATIC carries 7 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 2 crashes, 0 fires, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2015 S550 4MATIC is service brakes with 1 filings, followed by seat belts (1) and visibility/wiper (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability. This model year has 2 active recall campaigns, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle — the full NHTSA campaign numbers are listed below.
NHTSA currently has 15 investigation files overlapping the 2015 S550 4MATIC. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
7 filings
Crashes Reported
2 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| SERVICE BRAKES | 1 |
| SEAT BELTS | 1 |
| VISIBILITY/WIPER | 1 |
| VISIBILITY:FIXED PANARAMIC ROOF/SKY LIGHT ASSEMBLY | 1 |
| UNKNOWN OR OTHER | 1 |
| AIR BAGS | 1 |
| STRUCTURE:BODY | 1 |
SEAT BELTS:FRONT
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2015 S550 4Matic Coupe, AMG S63 4Matic Coupe, and AMG S65 vehicles manufactured January 27, 2014, to April 2, 2015. In the affected vehicles, left-side front seat belts may have been installed on the right-side and vice versa. As a res
COMMUNICATION
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
FAULT DOOR HINGE DRIVER DOOR - HINGE MAKES CREAKING NOISES AND HAS STICKING POINTS
Mileage: 79,000
ON JULY 15, 2020, I WAS INVOLVED IN A ONE CAR ACCIDENT. THE CAR LEFT THE ROADWAY ON A CURVE WHEN I LOST CONSCIOUSNESS DUE TO A MEDICAL ISSUE, AND SLID DOWN AN EMBANKMENT INTO A TREE. THE TREE PREVENTED A TOTAL ROLLOVER AND THE CAR WAS AT A 45 DEGREE ANGLE. I WAS THROWN AGAINST THE DRIVER'S SIDE DOOR AND SUSTAINED INJURIES. THE SIDE AIRBAGS DID NOT DEPLOY, NEITHER DID THE FRONT AIRBAGS. THE CAR WAS TOTALED. THE SIDE AIRBAGS ARE SUPPOSED TO DEPLOY IN A SIDE IMPACT OR ROLLOVER SITUATION, BOTH OF WHICH OCCURRED. BECAUSE THEY DID NOT DEPLOY, I SUFFERED A HEAD INJURY, BROKEN RIBS FROM THE IMPACT, AND LACERATIONS FROM THE BROKEN WINDOW AND TREE. I HAVE ENCLOSED THE POLICE REPORT AND PICTURES. THE REPORT ERRONEOUSLY STATED THE AIRBAGS HAD DEPLOYED, BUT THE PICTURES CLEARLY SHOW THEY DID NOT. I HAVE MORE PICTURES, IF NEEDED.
Mileage: 48,389
THIS CAR WAS PURCHASED IN CHARLOTTE NC IN WINTER OF 2018. IN NOVEMBER OF 2019, WHILE DRIVING DOWN THE ROAD WITH NO CARS IN SITE, WE HEARD A LOUD POP. WE COULDN'T FIGURE OUT WHAT THE NOISE WAS BECAUSE IT SOUNDED LIKE A ROCK HIT THE WINDSHIELD BUT WE DIDN'T SEE ANYTHING. WE COULDN'T FIGURE OUT WHERE A ROCK COULD HAVE COME FROM AS THEIR WERE NO CARS ON THE ROAD. THAT AFTERNOON WE PULLED BACK THE ROOF SCREEN TO FIND THAT THE GLASS PANORAMIC ROOF HAD CRACKED ALL OF THE WAY BACK. THE CRACK STARTED IN THE UPPER LEFT CORNER OF THE CAR IN THE CURVE OF THE TOP. THE CRACK STARTED RIGHT WHERE THE WINDSHIELD AND THE ROOF COME TOGETHER. MERCEDES CONVINCED US THAT SOMETHING HAD TO HAVE HIT IT. WE MADE A CLAIM ON OUR INSURANCE AND $10,500 LATER, THE TOP WAS REPLACED. 5 MONTHS LATER AS WE WERE PULLING OUT OF OUR DRIVEWAY ONTO A 2 LANE COUNTRY ROAD, WE HEARD THE SAME NOISE AND AGAIN, PULLED THE SHADE BACK TO SEE THE ROOF HAD CRACKED ONCE MORE. BETWEEN THE TWO INCIDENTS, THE CAR HAS ONLY BEEN DRIVEN 600
Mileage: 11,400
THIS CAR WAS PURCHASED IN CHARLOTTE NC IN WINTER OF 2018. IN NOVEMBER OF 2019, WHILE DRIVING DOWN THE ROAD WITH NO CARS IN SITE, WE HEARD A LOUD POP. WE COULDN'T FIGURE OUT WHAT THE NOISE WAS BECAUSE IT SOUNDED LIKE A ROCK HIT THE WINDSHIELD BUT WE DIDN'T SEE ANYTHING. WE COULDN'T FIGURE OUT WHERE A ROCK COULD HAVE COME FROM AS THEIR WERE NO CARS ON THE ROAD. THAT AFTERNOON WE PULLED BACK THE ROOF SCREEN TO FIND THAT THE GLASS PANORAMIC ROOF HAD CRACKED ALL OF THE WAY BACK. THE CRACK STARTED IN THE UPPER LEFT CORNER OF THE CAR IN THE CURVE OF THE TOP. THE CRACK STARTED RIGHT WHERE THE WINDSHIELD AND THE ROOF COME TOGETHER. MERCEDES CONVINCED US THAT SOMETHING HAD TO HAVE HIT IT. WE MADE A CLAIM ON OUR INSURANCE AND $10,500 LATER, THE TOP WAS REPLACED. 5 MONTHS LATER AS WE WERE PULLING OUT OF OUR DRIVEWAY ONTO A 2 LANE COUNTRY ROAD, WE HEARD THE SAME NOISE AND AGAIN, PULLED THE SHADE BACK TO SEE THE ROOF HAD CRACKED ONCE MORE. BETWEEN THE TWO INCIDENTS, THE CAR HAS ONLY BEEN DRIVEN 600
Mileage: 11,400
WINDSHIELD WAS BROKEN OCTOBER 2016. REPLACEMENT WINDSHIELD MADE BY PPG IS DEFECTIVE AND HAS A COLOR REFLECTIVE STRIP THAT IN MY LINE OF SIGHT. THIS CAR CANNOT BE DRIVEN AT NIGHT. THEY HAVE PUT 4 PPG WINDSHIELDS IN THE CAR AND ALL ARE BAD. MERCEDES BENZ HAVE DETERMINED THAT THE GLASS MADE BY PPG FOR REPLACEMENT IN THE UNITED STATES IS NOT THE SAME AS WHAT IS COMING OUT OF THE FACTORY IN GERMANY. I STILL WAITING TO TRY TO GET CORRECT GLASS FROM GERMANY. MERCEDES WILL NOT SHIP ONE OUT.
Mileage: 10,800
BOTH REAR SEAT BELTS DO NOT RETRACT. THIS IS THE SECOND TIME IN 10 MONTHS THAT THE SEAT BELTS WILL BE REPLACED BY MB IN THIS CAR. MB DEALERS STATES THAT IT IS A PROBLEM THAT IS KNOWN AND MB IS WORKING ON A FIX. IN THE MEANTIME THEY ARE REPLACING THE SEAT BELTS WITH A NEW PART, BUT THEY SAID IT MAY GO BAD AGAIN AND MB IS WORKING ON A PERMENANT FIX AND WE WILL BE NOTIFIED WHEN A NEW SEAT BELT IS DEVELOPED. I HAVE NOT SEEN ANY RECALL ON THIS, BUT THE DEALER HAS STATED THAT THEY HAVE REPLACED MANY BELTS MULTIPLE TIMES ON OTHER CARS.
Mileage: 30,000
STOPPED IN TRAFFIC ON A SLIGHT DOWNGRADE FOR A LONG PERIOD OF TIME. BRAKE PEDAL WAS APPLIED FIRMLY, WHEN THE TRUCK IN FRONT OF ME WOULD RELEASE THE PEDAL SLIGHTLY TO ALLOW THE CAR TO DRIFT FORWARD. AFTER SEVERAL TIMES THERE WERE NO BREAKS AND THE CAR DRIFTED INTO THE TRUCK IN FRONT OF US. HAD CAR BACK TO DEALER 2 TIMES THEY CLAIM THEY CAN'T FIND ANYTHING WRONG WITH IT.
Mileage: 9,075
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.