2017 Mercedes-Benz GLS550 Problems, Complaints & Recalls

Source: NHTSA · Updated Aug 5, 2025 · 6 owner complaints analyzed

Compared with other GLS550 years
Not enough data 1st of 3 for complaints
NHTSA crash rating
Not rated

Owners have filed 6 complaints with NHTSA about the 2017 Mercedes-Benz GLS550. That is the most of any GLS550 model year in the database (3 years). The most reported problem area is unknown or other (3 complaints, 50%), typically at around 32,500 miles. There are 5 safety recalls covering this model year.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2017 Mercedes-Benz GLS550 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Unknown or Other3 · ~32,500 mi
Engine1
Fuel/propulsion System1
Power Train1 · ~105,110 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Unknown or Other350%32,500——
Engine117%———
Fuel/propulsion System117%———
Power Train117%105,110——

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2021, with 2 complaints
2017: 1201712018: 1201812020: 1202012021: 2202122025: 120251

n = 6 complaints · Source: NHTSA

2017 Mercedes-Benz GLS550 recalls (5)

Tap a recall to see the problem, the risk and the fix.

Communication: auto crash notification; electrical system:softwareFeb 5, 2021 · NHTSA campaign 21V058000 · 1,292,258 vehicles

Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. 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.

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.

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. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.

CommunicationNov 1, 2019 · NHTSA campaign 19V787000 · 24,226 vehicles

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.

Suspension:frontApr 27, 2018 · NHTSA campaign 18V272000 · 9,725 vehicles

Problem: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML350 Bluetec 4Matic and ML550 4Matic, 2012-2015 ML63 AMG 4Matic and ML350 4Matic, 2013-2016 GL350 Bluetec 4Matic, GL550 4Matic and GL63 AMG 4Matic, 2017 GLS350d 4Matic, GLS450 4Matic, GLS550 4Matic and GLS63 AMG 4Matic, 2015 ML400 4Matic, 2016 GLE400 4Matic, GLE350 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, GLE450 4Matic Coupe and GLE63S AMG 4Matic Coupe, 2015-2016 GL450 4Matic and 2013-2014 GL450 4Matic vehicles equipped with the Active Curve System (ACS). In certain driving conditions, if the oil level in the ACS reservoir is below the minimum level, the oil may foam and leak out of the vent holes in the reservoir cap.

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

Fix: MBUSA will notify owners, and dealers will correct the oil level as necessary and replace the reservoir sealing cap to prevent oil foam from leaking out, free of charge. The recall began August 30, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018070015.

Latches/locks/linkages:doors:latchDec 18, 2017 · NHTSA campaign 17V816000 · 8,700 vehicles

Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 GLE400 4Matic, GLE350 4Matic, GLE350, GLE550e 4Matic, GLE43 AMG 4Matic, GLE63 AMG 4Matic, GLS450, GLE63S 4Matic, GLS63 4Matic, S550e, S600, S63 AMG 4Matic, S65 AMG, S550, Mercedes-Maybach S600, Mercedes-Maybach S550 4Matic, GLE43 AMG 4Matic Coupe, GLE63S 4Matic Coupe, 2017-2018 GLS550 4Matic, S550 4Matic, 2018 S450, and S63 AMG 4Matic vehicles. 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."

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

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. Owners may contact MBUSA customer service at 1-877-496-3691.

Latches/locks/linkagesFeb 8, 2017 · NHTSA campaign 17V077000 · 5,882 vehicles

Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 GLE 400 4Matic, GLE 350 4Matic, GLE 350, GLE 550E 4Matic, GLE 63 AMG, GLE 63S AMG, GLE 43 AMG 4Matic Coupe, GLE 63S AMG 4Matic Coupe, GLS 450 4Matic, GLS 550 4Matic, and GLS 63 AMG 4Matic vehicles. In certain types of crash events, the center console may unlatch, allowing the objects within to fly around the cabin. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 201, "Occupant Protection in Interior Impact."

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.

Fix: MBUSA will notify owners, and dealers will modify the center console so that it remains latched in a crash, free of charge. The recall is expected to begin in early March 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.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

Feel unsafe fuel rails and more where recalled in April 2022 Not all gls550 were recalled at the time due to no reason Drive to Florida with my wife and kids and car gave up on the side of a bridge hwy over the ocean We were stuck car smelt like gas and wouldn’t turn on we had nowhere to get out…

Fuel/propulsion System · received Aug 5, 2025 · NHTSA complaint 11678641

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…

Engine · received Dec 18, 2021 · NHTSA complaint 11444249

My wife and i were driving from arizona to colorado. We were traveling at about 85 miles/ hr passing albuquerque. All of a sudden we felt and heard an explosion. My wife and i both ducked and fortunately i kept my hands on the wheel. We looked up and the sunroof had shattered and blown out. The…

Unknown or Other · received Mar 12, 2021 · NHTSA complaint 11402698

Rear axle lock up briefly made a sound like someone rear ended the car and snap the left side rear cv axle. Vehicle is awd and does not move on its own power.. Shop tow suv and on the air found the axle inner joint just spins but car does not move, they pulled the axle and the is metal burnt into…

Power Train · received Jul 21, 2020 · NHTSA complaint 11340655

I purchased a 2017 gls 550 in january 2018 from loeber motors in lincolnwood illinois. The sticker on the vehicle represented that there were 'all season' tires on the vehicle. After numerous guarantees from the salesmen, i was assured that the vehicle would be 'safe' on the factory tires as they…

Unknown or Other · received May 8, 2018 · NHTSA complaint 11092420

Other Mercedes-Benz GLS550 years

2018 GLS550 →

YearComplaintsRecalls
2019 GLS55022
2018 GLS55063
201765

See all Mercedes-Benz GLS550 problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.

Similar Mercedes-Benz models

Embed this 2017 Mercedes-Benz GLS550 badge on your site

Copy this code into your blog or forum post. It shows live complaint and recall counts and links back here.

Frequently asked questions

What are the most common problems with the 2017 Mercedes-Benz GLS550?

Owners most often report unknown or other, engine, fuel/propulsion system problems. The top one, unknown or other, accounts for 3 complaints.

Was there a recall on the 2017 Mercedes-Benz GLS550?

Yes, 5 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2017 Mercedes-Benz GLS550 a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other GLS550 model years, the 2017 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.