2017 Mercedes-Benz GLS 550Problems, recalls & complaints

NHTSA has logged 6 owner complaints about the 2017 Mercedes-Benz GLS 550, most often about the engine. It is covered by 5 safety recalls, and for recall 19V-787 the manufacturer reports only 78% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through August 5, 2025. Updated daily.

Complaints by system

Where the 2017 Mercedes-Benz GLS 550 has problems

6 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine10
Fuel/propulsion system10
Power train10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

5 recalls

2017 Mercedes-Benz GLS 550 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

95%repaired · 2023 Q4

Communication: auto crash notification

Recall 21V-058 · Feb 5, 2021 · 1,292,258 vehicles · 1,231,020 repaired

Risk. Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

Problem, fix and repair progress →

78%repaired · 2021 Q1

Communication

Recall 19V-787 · Nov 1, 2019 · 24,226 vehicles · 18,993 repaired

Risk. An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

Problem, fix and repair progress →

94%repaired · 2019 Q4

Suspension: front

Recall 18V-272 · Apr 27, 2018 · 9,725 vehicles · 9,138 repaired

Risk. The leaking oil in the presence of an ignition source can increase the risk of a fire.

Problem, fix and repair progress →

93%repaired · 2019 Q2

Doors: latch

Recall 17V-816 · Dec 18, 2017 · 8,700 vehicles · 8,057 repaired

Risk. If the door appears to be locked, the door may be unintentionally opened, increasing the risk of injury.

Problem, fix and repair progress →

Show 1 more recall
84%repaired · 2018 Q2

Latches/locks/linkages

Recall 17V-077 · Feb 8, 2017 · 5,882 vehicles · 4,930 repaired

Risk. In the event of a crash, if objects are not secured within the center console, they may strike the vehicle occupants, increasing their risk of injury.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2017 vs. every other GLS 550 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the GLS 550 median. How we score

'17'18'19
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What GLS 550 owners report

Recent engine complaints filed with NHTSA, shortened. Personal details are removed.

We had our Mercedes GLS550 2017 with 59,295 overheat and call for immediate shut down on the Massachusetts Turnpike with my wife and child in the car. It was quite a dangerous situation because the failure caused by hose assembly 166-830-15-00 clamp (as described by the dealer as the reason for the…
Complaint 11444249 · Dec 18, 2021

Own a 2017 GLS 550?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.