2017 Mercedes-Benz S550: Recalls, Problems & MPG
Here are the deets on the 2017 Mercedes-Benz S550: 10 recalls, 16 owner complaints and up to 21 mpg combined.
Recalls
10 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Exterior lights Vehicle recall #16V760000 · 2016 · 996 vehicles
What's wrong: The low beam headlights on the affected vehicles May not be properly adjusted. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (fmvss) number 108, "lamps, reflective devices, and associated equipment."
Why it matters: If the low-beam headlights are out of adjustment, the driver's visibility May be reduced, increasing the risk of a crash.
The fix: Mbusa will notify owners, and dealers will inspect and correct the headlight adjustment, as necessary, free of charge. The recall is expected to begin in November 2016.
Seat belts Vehicle recall #16V829000 · 2016 · 672 vehicles
What's wrong: The seat belt extenders on the affected vehicles May not retract as intended and May potentially break the event of a crash.
Why it matters: In the event of a crash, if the seat belt extender does not retract and/or the extender breaks, the seat occupant May not be properly restrained, increasing their risk of injury.
The fix: Mbusa will notify owners, and dealers will update the control unit software, free of charge. The recall is expected to begin in mid-December 2016.
Seat belts Vehicle recall #17V251000 · 2017 · 12,743 vehicles
What's wrong: The affected vehicles have front seat seatbelt pretensioners that May not function properly in the event of a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (fmvss) number 208, "occupant crash protection," and 209, "seat belt assemblies."
Why it matters: If the front seat seatbelt pretensioners do not function properly, the seat occupants May not be adequately restrained in the event of a crash, increasing the risk of injury.
The fix: Mbusa will notify owners, and dealers will replace the front seat belts, free of charge. The recall began October 13, 2017.
Steering Vehicle recall #17V714000 · 2017 · 72 vehicles
What's wrong: A transistor within the power steering control unit May overheat resulting in the power steering system being disabled.
Why it matters: If the power steering assist is unexpectedly disabled, it May increase the risk of a crash.
The fix: Mbusa will notify owners, and dealers will inspect the steering rack, replace it as necessary, free of charge. The recall is expected to begin in January 2018.
Latches & locks Vehicle recall #17V816000 · 2017 · 8,700 vehicles
What's wrong: The rear passenger door on the driver side May indicate that it is locked, when it May not be. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (fmvss) number 206, "door locks and door retention components."
Why it matters: If the door appears to be locked, the door May be unintentionally opened, increasing the risk of injury.
The fix: Mbusa will notify owners, and dealers will inspect the left rear door lock, replacing it as necessary, free of charge. The recall is expected to begin in January 2018.
Communication Vehicle recall #19V787000 · 2019 · 24,226 vehicles
What's wrong: 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
Why it matters: An inaccurate vehicle location May delay emergency responders, increasing the risk of injury.
The 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.
Communication, Electrical Vehicle recall #21V058000 · 2021 · 1,292,258 vehicles
What's wrong: Please refer to the part 573 report for specific vehicle model details. The software design of the communication module May fail to communicate the correct vehicle location for the emergency call system (ecall) in the event of a crash.
Why it matters: Failure of the ecall system May result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
The fix: Mbusa will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (ota) update, free of charge. The recall began March 12, 2021.
Communication, Communication Vehicle recall #21V072000 · 2021 · 67 vehicles
What's wrong: On June 18, 2021, an additional 9 vehicles were added, including certain 2021 gla250, glc300, 2018 s450, e400, and 2017 cla250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the emergency call (ecall) function.
Why it matters: A disabled ecall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
The fix: Mbusa will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021.
Body & structure Vehicle recall #21V197000 · 2021 · 15,096 vehicles
What's wrong: 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.
Why it matters: 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.
The 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.
Body & structure Vehicle recall #23V854000 · 2023 · 2,976 vehicles
What's wrong: 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.
Why it matters: A detached roof panel can become a road hazard, increasing the risk of a crash.
The 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.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.
What owners describe
- Steering (3): the most common themes are steering problems (3).
- Other / unknown (3): no single recurring theme in the descriptions.
- Visibility/Wiper (2): no single recurring theme in the descriptions.
- Visibility (wipers, glass) (2): no single recurring theme in the descriptions.
The 2017 Mercedes-Benz S550 has 16 owner complaints, ranking #6 of 10 S550 model years for complaints (about average; the typical year has 21). Complaints peaked in 2022 (4 filed that year). The typical problem showed up when the car was about 4 years old, at a median of 23,000 miles. Neighboring years: 2016 (15 complaints, 5 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 4.7 L 8-cyl turbo | Automatic 9-spd | Rear-Wheel Drive | 18 | 26 | 21 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2017 Mercedes-Benz S550.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
Does the 2017 Mercedes-Benz S550 have any recalls?
Yes. NHTSA lists 10 vehicle recalls for the 2017 Mercedes-Benz S550. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2017 Mercedes-Benz S550 problems?
Owners have filed 16 complaints with NHTSA. The most-reported areas are steering (3), other / unknown (3), visibility/wiper (2).
What gas mileage does the 2017 Mercedes-Benz S550 get?
EPA ratings run up to 21 mpg combined (4.7 L, Automatic 9-spd), across 1 engine and transmission combos.
Where can I get a 2017 Mercedes-Benz S550 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.