The contact owns a 2015 Mercedes-Benz C300. The contact stated that while his wife was driving at an undisclosed speed, the roof panel detached from the vehicle and fractured. The contact stated that the roof panel had previously been replaced, but the failure occurred. The vehicle was taken to the dealer, where it was determined that the front roof panel needed to be replaced. The vehicle was not repaired. The contact related the failure to the federal safety agency Campaign Number: 23V854000 (Structure); however, the VIN was not included in the recall. The manufacturer was made aware of the failure. The failure mileage was approximately 70,000.
2015 Mercedes-Benz C300 body complaints
Page 2 of 3: complaints 11 to 40 of 61, newest first, as owners wrote them.
The contact owns a 2015 Mercedes-Benz C300. The contact stated that while driving at 50 MPH and attempting to decelerate, the front end of the vehicle began to drift to the right while the rear drifted to the left. The vehicle returned to normal functionality, but the failure became a regular occurrence. No warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the rear subframe. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the federal safety agency Hotline for assistance. The failure mileage was 136,000.
The contact owns a 2015 Mercedes-Benz C300. The contact stated that while driving at approximately 70 MPH, there was a loud clicking sound coming from the panoramic sunroof. The contact stated that the sunroof then became inoperable. The contact became aware of the federal safety agency Campaign Numbers: 23V854000 (Structure) and 21V197000 (Structure). The dealer was contacted and confirmed that the VIN was not included in the recalls. The vehicle was not diagnosed or repaired. The manufacturer was informed of the failure and confirmed the VIN was not under recall. The manufacturer referred the contact to the federal safety agency Hotline to report the failure. The failure mileage was 115,000.
I took my vehicle to an independent repair shop for routine maintenance and while there I was advised that the vehicle is suffering from the subframe corrosion issue. I called the manufacturer service center and they took my VIN and said I was not covered under the bulletin. The independent contractor gave me an estimate to get it repaired, however Mercedes doesn’t even have the parts needed in stock as they are backed ordered nation wide. This is our only car and it now I am forced to drive an unsafe vehicle.
I had the sunroof opened and it almost blew off, if I didn’t pull over it would have. I took it to the shop and was told it is a manufacturers issue.
The contact owns a 2015 Mercedes-Benz C300. The contact stated that while driving at various speeds, there was a sound of air entering the vehicle from the sunroof. No warning lights were illuminated. The vehicle was taken to a local dealer to be diagnosed. The contact was informed that the entire roof lining needed to be replaced. The vehicle was not repaired. The contact linked the failure to the federal safety agency Campaign Numbers: 23V854000 (STUCTURE), and 21V197000 (STRUCTURE); however, the VIN was not included. The manufacturer was notified of the failure. The approximate failure mileage was 50,000.
I believe my car was missed on the panoramic roof issue. I have been hearing a lot of wind and road noise coming into my car from the roof and now my roof is having issues completely closing. A few guys with c300 I know were recalled for the same issue and they had theirs repaired from the dealer under recall and after a few trips to different dealers they told me to try and add it here through the website.
My car (vin [XXX] ) a 2015 Mercedes C300 is experiencing the same premature rusting on the subframe. I was told that while a lot of Mercedes are covered, mine is not for some reason but I'm at the same risk for the subframe getting holes in it and wheels breaking off. I only have 78,000 miles on my car, only have it serviced at the dealer and it has been garaged parked. This type of damage is not typical for a car that has been this well cared for and for the amount it has been driven. I called Mercedes to honor the $5600 or to extend the warranty should it have to be replaced and they said to file a claim here. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
The rear subframe is rusted through. It is a known manufacturing defect where water sits and rusts through the subframe. This was a recall on various Mercedes up through 2014. Multiple 2015 models have the same issue, including my Mercedes 2015 C300 4MATIC. I have a 2009 SLK with the same issue, which Mercedes previously fixed and acknowledged the manufacturing defect. The part number under the recall through 2014 is "212 250 3805" My 2015 car has part number "212 350 3605" that is not covered but still has rust issues. See attached picture The subframe can result in the back wheels falling off. My subframe is severely rusted through and a risk as a driver. A certified Mercedes dealer has inspected this issue and confirmed the safety but Mercedes will not cover the repairs for the known defect. There are no warning lights or indicators to this issue.
SUNROOF SLIDE AND SHOE REPAIR. SLIDES HAVE MELTED DUE TO HIGH TEMPERTURES OWNER OPERATIOR DID NOT CAUSE ISSUE. Opened sunroof and sunroof would not closed. Discovered melted slides inside to sunroof tracks. It was a Rainy day and could not get sunroof to closed. Would have interfered with the visibility to drive due to water getting inside vehicle. Cost to repair is extremely high for this repair and when contacting repair shops they are seeing a large number of Mercedes with the same problem.
The contact owns a 2015 Mercedes-Benz C300. The contact stated while washing the vehicle, he observed that the roof panel had become detached. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to the federal safety agency Campaign Number: 21V197000 (Structure), but the VIN was not included. The manufacturer was notified of the failure but referred the contact to the federal safety agency Hotline for assistance. The failure mileage was 90,000.
The contact owns a 2015 Mercedes-Benz C300. The contact received notification of the federal safety agency Campaign Number: 23V854000 (Structure) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated while driving 50 MPH, the panoramic plastic piece suddenly detached from the vehicle. The location where the piece was attached was fractured allowing wind and water to leak inside the vehicle. The dealer was contacted. The manufacturer was made aware of the issue. The manufacturer referred the contact to the federal safety agency Hotline to report the failure. The failure mileage was 103,000. VIN tool confirms parts not available.
The contact owns a 2015 Mercedes-Benz C300. The contact stated that while his girlfriend was driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. The vehicle independently pulled to the left and crossed the yellow line into the direction of oncoming traffic. The vehicle was almost involved in a head-on collision due to the failure. The vehicle was taken to the dealer, however the vehicle was not diagnosed or repaired. The contact was informed that the repair would not be covered under warranty. The vehicle was taken to an independent mechanic where the vehicle was diagnosed with a fractured subframe and that the subframe needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure and advised the contact to report the failure to the federal safety agency Hotline. The contact was informed that the repair could not be covered under warranty. The failure mileage was approximately 103,000.
My wife and I were driving our 2015 C-Class Mercedes on a highway, traveling at roughly 55MPH on 2/25/24, at approximately 2pm, conditions were sunny but windy, when suddenly we heard a loud noise above our heads. The noise sounded like it came from around our sunroof, and it sounded as if maybe the car had been hit by a piece of debris, although neither of us saw anything. We looked in our mirrors but didn't see anything, and I also tried opening and closing the sunroof and it worked fine. I also looked in my rear view mirror and didn't see any cars behind me swerve, or in any way adjust their driving. Because there was no safe shoulder on that part of the road, we continued a mile or so further up the road and then pulled over to see if we could visibly see anything wrong with the car. To our disbelief, a section of the body of the car that is just above the front windshield and just before the sunroof, a piece I believe called the "front stationary sunroof panel" , was completely missing! We were unsuccessful at finding the piece. After some research in recent days, I believe this issue is related to MB recall campaign #2021070010, 22V‑954 / 2023010004/5/6. If this is however related to the recall, the Mercedes dealership we took our car to on 3/1/24 told us it would cost us over $2,000.00 to repair. As I thought about a piece of the car simply flying off while driving, I realized how much of a safety hazard this could pose to others, hence this written report.
The contact owns a 2015 Mercedes-Benz C300. The contact stated that the vehicle was taken to a dealer for routine maintenance and was informed that the rear sub frame was rusted and needed to be replaced. No warning light was illuminated. The vehicle was not repaired due to the cost. The manufacturer was made aware of the failure and referred the contact to the federal safety agency Hotline. The approximate failure mileage was 93,000.
The contact owns a 2015 Mercedes-Benz C300. The contact stated that while the vehicle was at the dealer for routine service, a corrosion inspection was performed. The contact was informed of a rust hole in the sub frame. The vehicle was not repaired. The manufacturer was made aware of the failure and advised the contact to report the failure to the federal safety agency Hotline. The failure mileage was approximately 76,000.
I have a 2015 Mercedes-Benz C300 4Matic got a letter from the company car had few recalls to address. Dropped the at Mercedes-Benz Hampton VA dealership on 12/06/2023 at 8:30 AM EST. After few hours got a call from the dealership that rear subframe of the has bad corrosion and because of the rust it got holes in it which is a bad safety risk. Risk is so great that it cant pass Virginia state inspection. I did a good online research and found it is a common issue in Mercedes-Benz vehicles and the company issued safety recall on some years and models but not on all the affected vehicles. Like my car has the exact same safety issue rear subframe got rust from inside so it was hard to notice till it became unsafe to drive the car. The dealer is asking almost $5000.00 to replace it. The Mercedes-Benz customer support center is unable to explain why some cars are covered with extended warranty offered by the factory and some doesn't for exact same issue. There are bunch of more people with same complaint but they don't know where to go.
The contact owns a 2015 Mercedes-Benz C300. The contact stated while driving at approximately 65 MPH, she heard a rushing air sound as if the sunroof was opened; however, the sunroof was not open. The contact stated that when she reached her destination, she noticed there was a panel missing from the roof between the sunroof and the windshield. The contact had not taken the vehicle to a local dealer or independent mechanic. The vehicle had not been diagnosed or repaired. The manufacturer had been informed of the failure. The contact researched online and related the failure to the federal safety agency Campaign Number: 21V197000 (Structure). The failure mileage was approximately 100,000.
The contact owns a 2015 Mercedes-Benz C300. The contact stated while driving 60 MPH, there was an abnormal wind sound coming into the vehicle. After a visual inspection, the contact noticed that the glass was detaching from the panoramic sunroof. The vehicle was towed to the dealer, who determined a failure with the adhesive. The vehicle was not repaired. The contact related the failure to the federal safety agency Campaign Number: 21V197000 (Structure) however, the VIN was not included. The manufacturer was notified of the failure but referred the contact to the federal safety agency Hotline for assistance. The failure mileage was 51,150.
While driving on highway a load noise was heard pulled off the road to see what it was and the part of the sunroof that meets the windshield had raised up so we tried to push it down and continue towards home the car had to be driven at around 40 miles per hour to keep it from elevating and in fear that it might come off and hit someone's car or cause an accident
Front stationery panel fail off whole driving I see it is in recall but do not see my VIN how can I get this fixed per recall
The contact owns a 2015 Mercedes-Benz C300. The contact stated while driving 45 MPH, the roof carriage started shuddering. The contact veered to the side of the road. Upon inspecting the vehicle, the contact noticed that the roof panel had loosened. The contact stated continued driving and the roof panel fractured and partially separated from the vehicle. The vehicle was taken to an auto glass repair shop, where the roof panel was replaced; however, the failure reoccurred. The vehicle was taken back to the same auto glass repair center. The contact then became aware of the federal safety agency Campaign Number: 21V197000 (Structure) that he related to the failure. The dealer and the manufacturer were notified of the failure and informed the contact that the VIN was not included in the recall. The vehicle was not repaired. The failure mileage was approximately 85,000.
Front Roof Panel Discoloring and Detachement
Glass panoramic sun roof lifted off the vehicle at highway speed, I had to grab the front edge of roof,pull off the expressway. Tried to re seat it in the channels but could not close the roof. Drove 120 miles with roof open holding the front edge down, which continued to try to lift off the vehicle. . My vehicle is Mercedes’ 2015 c300. These vehicles have a recall for this very reason but my vin number is not listed. Don’t know why? Need to get my vin listed for this recall. Please help!
The contact owns a 2015 Mercedes-Benz C300. The contact received notification of the federal safety agency Campaign Number: 21V197000 (Structure) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
The contact owns a 2015 Mercedes-Benz C300. The contact stated that there was a crack on the front panel of the panoramic roof. The contact had not taken the vehicle to a local dealer or independent mechanic to be diagnosed or repaired. The contact researched online and found that the roof panel was included in the federal safety agency Campaign Number: 21V197000 (Structure). The manufacturer had been informed of the failure and the contact was informed that the VIN was not included. The failure mileage was approximately 50,000.
Problem with Panoramic Moonroof. One side will not close. Mercedes is aware of the issue. Price to fix is $2,500. Roof will not close or seal.
Recall 2021070010----the federal safety agency #21V197--Panoramic roof not boned correctly to the vehicle during prior replacement -
Panoramic sunroof off centered causing glass to tilt on one side above vehicle. Note, a recall for the same on models 2015 c300 for vehicles with prior service but same issues/ problems for my vehicle that has not been serviced.
The contact owns a 2015 Mercedes-Benz C300. The contact stated while driving 50 MPH, the contact heard an abnormal flapping sound coming from the opened panoramic moon roof. The contact reached up into the open moon roof and discovered that the adhesive bonding on the front panel had started to deteriorate. The contact took the vehicle to the local dealer and was confirmed the failure however, the contact was informed that the dealer was not equipped to perform the repair. The contact was referred to Mercedes-Benz of Wilkes-Barre (150 Motorworld Dr, Wilkes-Barre, PA 18702) where the mechanic removed the bonded panel and installed a new front panel which the contact paid for out of pocket. The first dealer then notified the contact of the federal safety agency Campaign Number: 21V197000 (Structure) and instructed him to call the dealer where the vehicle was repaired. The second dealer was notified of the failure and informed him to call the manufacturer for potential reimbursement. The manufacturer was notified of the failure and informed him that the vehicle was not included in the recall. The vehicle was repaired. The failure mileage was approximately 68,000.
VIN decoder
See the problems and recalls for an exact car
Buying a used 2015 Mercedes-Benz C300?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history