2025 Mercedes-Benz Glc 300 problems, complaints & recalls
Most-reported problem areas: Electrical System (5) · Vehicle Speed Control (2) · Service Brakes (2)
🧭 Reliability snapshot
Compared against other Mercedes-Benz Glc 300 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (3)
Electrical System: Instrument Cluster/Panel 2026-05-01 · campaign 26V281000 · 144,049 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024-2026 AMG GT, C-Class, E-Class, SL, CLE, and GLC vehicles. The infotainment control unit may reset while the vehicle is in motion and cause the instrument panel display to go blank.
Risk: An instrument panel display that fails to show critical safety information, such as the speedometer and warning lights, increases the risk of a crash.
Fix: Dealers will update the infotainment control unit software, free of charge. Owner notification letters were mailed June 29, 2026. MBUSA's number for this recall is 2026050004. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning May 8, 2026.
Steering:critical Fasteners 2025-08-20 · campaign 25V533000 · 3,749 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2026 EQE and GLC vehicles. Please see the recall report for a complete list of models. The steering coupling bolt may have been improperly tightened, allowing the steering coupling to loosen from the steering rack.
Risk: A loose steering coupling can cause a loss of steering control, increasing the risk of a crash.
Fix: Dealers will tighten the steering coupling bolts as necessary, free of charge. Owner notification letters were mailed October 6, 2025. Owners may contact MBUSA customer service at 1-800-367-6372.
Structure:body:roof And Pillars 2025-06-06 · campaign 25V379000 · 92,851 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2025 GLC 300, GLC 300 4MATIC, 2024-2025 AMG GLC 43 4MATIC, 2025 GLC 350E 4MATIC, and AMG GLC 63 S E vehicles equipped with a panoramic sunroof. In certain crash scenarios, where the rear occupant's head contacts the C-pillar, the pillar may not absorb an adequate amount of the impact. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 201, "Occupant Protection in Interior Im
Risk: In the event of a crash, insufficient impact protection can increase the risk of injury.
Fix: Dealers will modify the roof lining and C-pillar trim, free of charge. Owner notification letters were mailed July 9, 2025. Owners may contact MBUSA customer service at 1-800-367-6372.
Service bulletins (173)
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.
Electrical System 2026-09-25 · OTA-Comm. Mod. SW. Update · Over The Air
a software update will be performed that provides enhancements to the robustness and system stability of the communication module. the update is free of charge and runs in the background, which takes about 8 minutes to install. during this time, the vehicle can be driven without any restrictions, an
Visibility/Wiper 2026-09-25 · LI83.90-P-080935 · Service Bulletin/Repair Instructions
complaint cel illuminates and/or ac does not blow cold. cause potentially relevance to hardware and/or software remedy scenario 1: 1. if the ac does not blow cold air, replace compressor (if compressor's index and part number figure 1 match against table 1). a. if the compressor does not fall within
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
Electrical System 2026-09-17 · LI54.30-P-080963 · Service Bulletin/Repair Instructions
complaint issue after ota update ic odometer reading blank("_ _ _ _") ic maintanence data unavailable cause ota update e61.0 remedy in the ic control unit log, please check the following information: verify whether dtcs b228229, b228287, and b226656 are present in either a or a+s. verify that status
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 173 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-08-22 · Electrical System“information screens; speed, gear etc. and middle screen, radio, gps, etc, go blank. screens are black with no information. there’s also a popping sound happening in the background over the speakers. you can start the car and put it in gear and drive - but with no information in either computer screens. safety issue for sure! after waiting approxi…”
2026-08-01 · Vehicle Speed Control“the screen goes blank not only in the middle where the maps, air conditioning and radio is but the screen where the speed gas tank are as well. we have taken the car in at least 5 times stayed the issue and were told there’s no recall yet for the car. i see here that there is. the car was a richmond mercedes today the screen went down amd i was tol…”
2026-07-21 · Electrical System“my vehicle's infotainment system both center console and dashbboard went completely black 2 weeks after i purchased the car in august of 2025. the vehicle was in the shop for a week and a half, and they finally fixed the issue. the vehicle at the time was bought used with about 2,200 miles on it at time of purchase. now in july of 2026, exactly one…”
2026-06-04 · Vehicle Speed Control · 17,107 mi · 💥 crash“the contact owns a 2025 mercedes-benz glc 300. the contact stated that while her husband was driving at 5 to 10 mph attempting to park the vehilce lunged forward traveling 20 feet and crashed into the house. the air bags deployed. no warning lights were illuminated , there was no injuries or fire. a police report was filed. the gas company wa…”
2026-05-12 · Structure:body:hatchback/Liftgate“in multiple incidents, the tailgate has begun to close while i am loading or unloading items from the trunk, hitting me in the head. my natural reaction is to lift up, causing injury to my neck. the dealer unsuccessfully "fixed" the problem. additionally, and unrelated to the closing problem, on multiple occasions, upon pushing the close button …”
2026-03-23 · Electrical System · 4,700 mi“the contact leased a 2025 mercedes-benz glc300. the contact stated that while driving at 45 mph, the instrument panel and the infotainment system screen turned black, and the vehicle made abnormal electrical snapping sounds. the vehicle was taken to the dealer, where two software resets were performed days apart; however, the failure persisted. the…”
2025-10-21 · Electrical System“the infotainment and instrument panel screens blacked out after the vehicle was started a few miles away from our home. i was unable to see the speedometer while driving back home. this was the first time that this has happened to us. after a google search of mercedes benz 2025 glc 300, this event appears to be fairly common.…”
2025-10-10 · Service Brakes · 💥 crash“when i entered my vehicle after it was washed at the mercedes-benz service location, i pressed memory 1 button and the seat returned to my normal position. without any further input, i started the engine, and the driver's seat automatically moved backward by itself. when i readjusted the seat and shifted into drive, it continued moving rearward. as…”
2025-09-06 · Unknown Or Other“the entire main console display and the digital instrument cluster screen have completely frozen. additionally, the gas gauge for how much fuel is in the vehicle is nowhere to be found. temperature touch controls (no physical option), volume, car settings (which can adjust safety features, multimedia features, accessibility features), etc. are al…”
2025-09-04 · Service Brakes · 💥 crash“the brakes did not function at all. upon trying to brake, the brake pedal was hard and the car would not stop. the car went into s storefront where the cashier is located and could have resulted in serious injury or death to anyone waiting to pay at the store. the forward collision alarm did not sound, the dashboard indicator for an impending fo…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.