2014 Mercedes-Benz Gl550 problems, complaints & recalls
Most-reported problem areas: Steering (2) · Engine (2) · Wheels (1)
🧭 Reliability snapshot
Compared against other Mercedes-Benz Gl550 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (3)
Communication 2019-11-01 · campaign 19V787000 · 24,226 vehicles
Defect: 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:front 2018-04-27 · campaign 18V272000 · 9,725 vehicles
Defect: 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
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.
Child Seat:latch Strap 2014-03-31 · campaign 14V158000 · 69 vehicles
Defect: Mercedes Benz USA, LLC (Mercedes) is recalling certain model year 2014 GL350 BlueTEC 4Matic, GL450 4Matic, GL550 4Matic, and GL63 AMG vehicles manufactured November 4, 2013, through November 15, 2013. In the affected vehicles, the foldable second row seat bottom may not fold down low enough to allow proper use of the child seat achors. As such, these vehicles do not conform to Federal Motor Vehicle Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."
Risk: Without the use of the lower anchor points, a child restraint may be insufficiently or improperly anchored to the seat, increasing the risk of injury to the child in the event of a crash.
Fix: Mercedes will notify owners, and dealers will inspect and, if necessary, replace the seat pan of the second row seat, free of charge. The recall began on May 2, 2014. Owners may contact Mercedes at 1-800-367-6372.
Service bulletins (80)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions
complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra
Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Steering 2026-08-28 · LI46.35-P-067339 · Service Bulletin/Repair Instructions
complaint during part of the steering movement, it feels heavier or more difficult to steer in the same spot every time. or rattling, humming, dry sliding/gravel noise from the electric steering system when steering (see attachment). complaint does not impact the ability to safely steer or control
Electrical System 2026-08-06 · LI82.85-P-079087 · Service Bulletin/Repair Instructions
complaint a popup is seen on the hu with the message "data connection temporarily not available". potentially affected functionalities in ntg4.5, ntg5 1.weather 2.local search 3.ip radio 4.send2car 5.speech detection service 6.navigation 7.iheartradio 8.traffic cams cause mb apps is sundowned for al
Structure:body 2026-08-06 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Power Train 2026-07-14 · LI35.30-P-058566 · Service Bulletin/Repair Instructions
single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). the noise is heard once in each instance when changing direction of travel. note: sound file in attachment cause if the complaint is eliminated by experimentally loosening the outboard collar n
Showing the 6 most recent of 80 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-08-12 · Suspension“vehicle was parked on the driveway, brake sign came on upon start and system malfunction error showed on screen, vehicle started lowering automatically and air compressor stopped working. …”
2025-07-11 · Wheels“i recently purchased my mercedes from auto boutique in pearland, texas (713) 352-0777. 1.the vehicle's air suspension system is constantly grinding, and moving/adjusting while being driven. it feels like the vehicles fame is off balance. 2. the back camera system does not work unless the radio is turned on; which is very alarming not to mention …”
2024-08-30 · Engine And Engine Cooling · 104,000 mi“the contact owns a 2014 mercedes-benz gl550. the contact stated that the check engine warning light was illuminated. the vehicle was taken to the dealer, where it was diagnosed with leaky exhaust valves. the dealer determined that the exhaust valves needed to be replaced. the vehicle was taken to an independent mechanic, where a similar assessment …”
2024-02-05 · Steering · 100,000 mi“the contact owns a 2014 mercedes-benz gl550. the contact stated while driving at an undisclosed speed, the steering wheel seized, and the vehicle lost motive power. the check engine and malfunction pp0 warning lights illuminated. the contact was able to steer the vehicle to the shoulder of the roadway. the contact stated that an independent mechani…”
2023-08-08 · Engine“tapping noise developed in the engine, after dealership inspection using borescope, scored cylinder walls were found, resulting to engine replacement. please see: lena jamil, et al. v. mercedes-benz usa, llc (case no: 2:22-cv-08130-fla-afm)…”
2018-12-12 · Unknown Or Other · 33,000 mi“i had just arrived home. the car was off and i was parked in my garage. i opened the door but it didn't open all the way to the first hinge. my hand was in the door as it slowly started to close. the door caught slightly and the soft close feature activated. my thumb was caught in the door and was crushed as the door sealed completely closed with t…”
2018-06-27 · Steering · 34,000 mi“daimler ag, (dag) the manufacturer of mercedes-benz vehicles, has determined that on certain gle, gls and gle coup vehicles (166, 292 platform) with the active curve system (acs), the oil in the acs's oil reservoir could start foaming under dynamic driving situations in combination with an oil level below minimum. the oil foam might leak out of the…”
2017-05-25 · Seats · 33,000 mi“the rear headrests in the models that have the ez fold system in the 2014 gl550 will not come out, nor do the headrests tilt back to a comfortable position for children. in the mercedes forums, there are dozens of comments on this and i have attached photos from one of these that mimics what my children, 9 & 13 are experiencing - unable to sit ver…”
2014-09-27 · Seat Belts · 12,500 mi“mercedes gl 550. front seat belt pre-tensioners activated with no imminent crash. random occurrence in both front seats and released after 2-3 seconds. *tr…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.