2015 Mercedes-Benz S550 Problems, Complaints & Recalls
- Compared with other S550 years
- Far more complaints than other years 2nd of 10 for complaints
- Safety recalls
- 5 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 41 complaints with NHTSA about the 2015 Mercedes-Benz S550. That ranks 2nd out of 10 S550 model years for complaints. The most reported problem area is seat belts (7 complaints, 17%), typically at around 43,000 miles. Complaints mention 4 crashes, 3 fires, 7 injuries. There are 5 safety recalls covering this model year. NHTSA has opened 1 defect investigation involving it.
- 41owner complaints
- 5safety recalls
- 1NHTSA investigations
- 4complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2015 Mercedes-Benz S550 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Seat Belts | 7 | 17% | 43,000 | — | — |
| Unknown or Other | 7 | 17% | 30,877 | — | — |
| Electrical System | 5 | 12% | 12,444 | — | — |
| Structure | 5 | 12% | 4,500 | — | — |
| Wheels | 5 | 12% | 21,150 | — | — |
| Air Bags | 4 | 10% | 10,500 | — | — |
| Steering | 4 | 10% | 33,500 | — | — |
| Engine | 3 | 7% | — | — | — |
| Fuel/propulsion System | 2 | 5% | — | — | — |
| Service Brakes | 2 | 5% | 24,387 | — | — |
| Tires | 2 | 5% | 44,000 | — | — |
| Visibility | 2 | 5% | 150 | — | — |
| Visibility/wiper | 2 | 5% | 500 | — | — |
| Forward Collision Avoidance | 1 | 2% | — | — | — |
| Fuel System, Gasoline | 1 | 2% | 152,000 | — | — |
| Latches/locks/linkages | 1 | 2% | — | — | — |
| Power Train | 1 | 2% | 24,387 | — | — |
| Service Brakes, Hydraulic | 1 | 2% | 152,000 | — | — |
| Suspension | 1 | 2% | 100,000 | — | — |
| Vehicle Speed Control | 1 | 2% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2015 Mercedes-Benz S550 recalls (5)
Tap a recall to see the problem, the risk and the fix.
Structure:body:roof and pillars
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair, allowing the front panel to detach from the vehicle.
Risk: A detached roof panel can become a road hazard, increasing the risk of a crash.
Fix: Dealers will replace the front panel, free of charge. Owner notification letters were mailed on August 2, 2024. Owner notification letters will be mailed in phases, on, March 22,2024, and August 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 21V-197.
Structure:body:roof and pillars
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair.
Risk: The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.
Fix: Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
Communication
Problem: 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.
Fix: 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.
Electrical system:software; air bags:frontal:sensor/control module-inactive
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 AMG GT-S, GLC300, CLA250 and GLE300d 4Matic vehicles, 2013 C250, E350 BlueTec and G63 AMG vehicles, 2008-2014 C300 vehicles, 2013-2014 C300 4Matic and ML350 4Matic vehicles, 2009 C350 vehicles, 2014 CLS550, E350 4Matic, E350 Coupe 4Matic, E350 Wagon 4Matic, GLK350 and SL550 vehicles, 2012 CLS550 4Matic vehicles, 2012-2016 E350 vehicles, 2016-2017 GL450 4Matic vehicles, 2012-2014 ML350 4Matic BlueTec vehicles, 2015 S550, S550 4Matic and C300 4Matic Sedan vehicles, 2015-2016 C300 Sedan vehicles, and 2017 SL63 AMG vehicles. Various control units on these vehicles may have been updated with incorrect software, potentially affecting the correct deployment of the air bags in the event of a crash.
Risk: If the air bags do not deploy as intended in the event of a crash, there would be an increased risk of injury in the event of a crash.
Fix: MBUSA will notify owners, and dealers will update software in the affected control units, free of charge. The recall began April 21, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
Steering:electric power assist system
Problem: 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.
Fix: 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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
NHTSA defect investigations
- Front Roof Panel Detachment (PE21001) — opened Jan 8, 2021, closed Oct 14, 2021, led to recall 21V197000.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
I loss my electric steering assist!!! Takes 2 gorillas to turn the wheel i was able to stop without crashing into anything
The contact owns a 2015 Mercedes-Benz S550. The contact stated that while driving approximately 45 MPH and approaching a stop, the vehicle experienced a loss of automotive power. Several unknown warning lights were illuminated. There was an abnormal ticking sound coming from the engine, and the…
The contact owns a 2015 Mercedes-Benz S550. The contact stated that while operating the vehicle, the air bag warning light remained illuminated, with the message "Front Drivers Air Bag Malfunction - Service Required" displayed. The cause of the failure was not yet determined. The manufacturer and…
Brought my vehicle to my mechanic because of noise that recently appeared in my car. To my surprise the mechanic stated that my engine is completely failing and would require an entire new engine. I purchased this car less than two years ago with an estimated 79,000 miles. Vehicle currently has an…
Roof panel between windshield and panoramic sunroof has developed fine hairline fractures on the polycarbonate panel. Why wasn't my vehicle included in recall 21V-197? Thanks for your time.
Other Mercedes-Benz S550 years
| Year | Complaints | Recalls |
|---|---|---|
| 2017 S550 | 16 | 10 |
| 2016 S550 | 15 | 5 |
| 2015 | 41 | 5 |
| 2014 S550 | 24 | 5 |
| 2013 S550 | 7 | 0 |
| 2012 S550 | 5 | 2 |
| 2011 S550 | 9 | 2 |
| 2010 S550 | 16 | 0 |
| 2008 S550 | 19 | 0 |
| 2007 S550 | 54 | 0 |
See all Mercedes-Benz S550 problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.
Similar Mercedes-Benz models
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Frequently asked questions
What are the most common problems with the 2015 Mercedes-Benz S550?
Owners most often report seat belts, unknown or other, electrical system problems. The top one, seat belts, accounts for 7 complaints.
Was there a recall on the 2015 Mercedes-Benz S550?
Yes, 5 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2015 Mercedes-Benz S550 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other S550 model years, the 2015 has far more complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.