2024 Mercedes-Benz Gls 450 4matic problems, complaints & recalls
Most-reported problem areas: Electrical System (3) · Wheels (2) · Visibility/Wiper (1)
🧭 Reliability snapshot
Compared against other Mercedes-Benz Gls 450 4matic model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (231)
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.
Steering 2026-09-26 · LI46.10-P-080896 · Service Bulletin/Repair Instructions
complaint slight creaking noises when steering. cause noises may come from one or more sleeves of the horn contact plate. remedy remove the horn contact plate and check the sleeves for noise; see attached video. if necessary, apply lubricant to the sleeves.
Power Train 2026-09-26 · LI27.00-P-073124 · Service Bulletin/Repair Instructions
complaint customer complaints relating to automatic transmission 725.0 (nag3 classic /9g‑tronic automatic transmission) and 725.1 (nag3 facelift/9g‑tronic automatic transmission facelift) for faster, more effective and more targeted diagnosis, intelligent predictive repair (ipr) has been developed a
Engine 2026-09-26 · LI18.00-P-073137 · Service Bulletin/Repair Instructions
complaint sporadic warning message in instrument cluster "engine oil pressure, stop switch off vehicle" (or similar) is shown in red on vehicles with low mileage. cause directional control valve may stick. remedy 1‑ read off oil level in instrument cluster and correct if necessary. 2‑ perform approx
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
Engine 2026-09-17 · LI20.10-P-075374 · Service Bulletin/Repair Instructions
complaint red coolant warning in instrument cluster. fault codes u019f00 or u019f87 current/stored in mrg1 control unit. cause various causes remedy perform guided test for fault code u019f with xentry diagnosis. verify the following connections are clean and tight. correct any problems and retest p
Electrical System 2026-09-15 · LI82.60-P-080383 · Service Bulletin/Repair Instructions
complaint radio station cover art does not refresh when switching stations. the ui continues to show the old station’s artwork instead of updating to the new one. cause when a new station change request is triggered, a temporary glitch is causing the head unit application to fail to overwrite the pr
Showing the 6 most recent of 231 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-08-26 · Unknown Or Other“while driving at 60 mph on the highway around 7pm, with no cars infront or next to us, vehicle top glass exploded. no construction. as per other complaints, this has happen to other people. my kidds were in the car and thankfully screen was open otherwise all glass would fall on thdm. as per dealer installer, they already had this part in stock a…”
2026-07-06 · Electrical System“while traveling at highway speeds, the digital instrument cluster suffered a sudden, complete power loss and went entirely black for approximately 5 seconds before rebooting. component failed: digital instrument cluster / dashboard display. it is available for inspection. safety risk: complete loss of critical data (speedometer, vehicle status) a…”
2026-06-09 · Unknown Or Other“[xxx] girl went in back passenger door (rear facing car seat present), crouched under seat area to climb to middle seat when [xxx] brother push button and seat moved forward without stopping crushing [xxx] old head between back of seat and back of car seat. there was no safety stop, was stuck mother has to press button to move seat back to release …”
2026-05-10 · Unknown Or Other“i am submitting a complaint regarding the air conditioning system in my vehicle. the vehicle has a refrigerant (freon) leak that causes the air conditioning system to stop cooling properly. in addition, there is a loud abnormal noise coming from the ac system while operating. the issue has progressively become worse. the air conditioner either bl…”
2026-04-24 · Unknown Or Other“the panoramic sunroof spontaneously shattered. i was driving on highway under open sky and the sun roof just imploded and all the glass came shattering inside all over. there were no extreme weather or any construction or chances of any debris from anything around. no impact object could be identified upon inspection after the car was stopped.…”
2026-04-01 · Tires · 💥 crash“on november 30, 2024, i purchased a new 2024 mercedes-benz gls 450 4matic equipped with factory-installed pirelli tires (size: p 275/45hr21 front; 315/40hr21 rear). at the time of the accident on february 22, 2026, the vehicle had only 15,257 miles. while driving on the interstate in wet conditions, the tires failed to provide adequate traction, c…”
2026-02-27 · Wheels · 💥 crash“during interstate travel in rainy conditions, the vehicle appeared to lose traction and hydroplane. the tires appeared to have adequate remaining tread; however, they did not provide expected traction and the vehicle felt as though it was driving on ice. this was inconsistent with my prior experience operating the vehicle for over a year in various…”
2026-02-12 · Visibility/Wiper · 💥 crash“the 2024 mercedes-benz gls 450 exhibits a critical "spatial mapping offset" defect within the mbux 360-degree camera interface and the active brake assist (aba) logic. specifically, the digital rendering of physical obstacles on the dashboard display is offset by approximately 0.5 feet (6 inches). this creates a "false clear" condition where the dr…”
2025-07-05 · Unknown Or Other“i've purchased brand new 2024 gls 450 mercedes benz and this is the 3rd times i have to bring my car to the mercedes facility to add a quarter of oil and jerky shifting so i dont feel safety and comfortable to drive this car anymore. i need help or my money back, what do i need to do?. …”
2025-06-30 · Wheels“on [xxx], my wife and i were driving our 2023 mercedes-benz gls 450 when i pulled over after sensing vibration on the highway. upon inspection, all four tires were found to be severely worn, with the right rear tire completely bald and showing exposed steel belts. i have attached photos of the tires. the vehicle had been serviced at mercedes-benz …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.