2015 Mercedes-Benz S550 Other or unknown Problems
- Complaints
- 7about this part
- Share
- 17%of 41 total for the year
- Median mileage
- 30,877miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 7 complaints about the other or unknown of the 2015 Mercedes-Benz S550, 17% of the 41 complaints for this model year. Where a mileage was given, the median is 30,877 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The rear passenger door on the passenger side indicate that it is locked, and despite this, it can be opened from the outside without a key or remote.”
NHTSA complaint #11140401, filed 2018-10, 30,877 miles“I am writing to report an incident that occurred on Oct 17 2023 involving my 2015 Mercedes Benz S550, where the front portion of the two-part sunroof spontaneously exploded while I was driving down the highway. On the aforementioned date, at approximately 5 pm, I was traveling down Beltway 8 In Houston in my Mercedes Benz S550 along with a pack of cars. Suddenly, without any warning signs or external impact, my vehicle experienced a violent shaking accompanied by an extremely loud popping sound, reminiscent of a gunshot. …”
NHTSA complaint #11550522, filed 2023-10“The gear selector on the steering wheel of the Mercedes Benz has a park button on it when you change the car from gear to park you press that button. That part button has stopped working. It is a safety risk as the car cannot be parked at the end of the driving and it stays in the drive mode. I have to open the door to activate the parking which is built in to the car”
NHTSA complaint #11432110, filed 2021-09“I'm reporting a problem that can cause the vehicle to catch on fire. During cold temperatures the heated windshield will turn on and the car will catch on fire.”
NHTSA complaint #11513428, filed 2023-03“The windshield cracks and spreads rapidly without any evidential cause for a crack and yes it would be available for inspection upon request. This is the 5th replacement in 5 years - 2 in one year alone: 1st - At the time of purchase with only 16555 miles (MPI) RBM replaced the windshield. 2nd - 1/21/20 - 40410 miles (Just got home from a drive through car wash and noticed the crack). 3rd - 7/24/20 - 42150 miles. 4th - 8/26/22 - 62274 miles. 5th - 6/18/23 - 77172 miles. Safety was at risk due to nervousness as to what could ultimately happen affecting driving ability. …”
NHTSA complaint #11561861, filed 2023-12Related service bulletins
- 10179966Jul 31, 2020Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional
- 10205154Aug 5, 2016Gasket may settle causing a slight oil leak.
Other or unknown: other model years
Other parts of the 2015 Mercedes-Benz S550
7 complaintsElectrical system
5 complaintsBody and structure
5 complaintsWheels
5 complaintsAir bags
4 complaintsSteering
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsBrakes
3 complaintsEngine
3 complaintsFuel system
3 complaintsTires
2 complaintsForward collision avoidance
1 complaints
← All problems reported for the 2015 Mercedes-Benz S550
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology