2025 Mercedes-benz GLC 300 4MATIC
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2025 Mercedes-benz GLC 300 4MATIC is worth — from official NHTSA and EPA data. 10 on record.
2025 Mercedes-benz GLC 300 4MATIC at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
2025 Mercedes-benz GLC 300 4MATIC recalls 3
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.
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 …
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.
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.
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 Moto…
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.
Source: U.S. NHTSA, checked 14 Oct 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
2025 Mercedes-benz GLC 300 4MATIC common problems
The most-reported problem areas across all 10 owner complaints filed with NHTSA — and what to check before you buy.
2025 Mercedes-benz GLC 300 4MATIC MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov.
Estimated 5-year cost to own
A rough guide to what running a 2025 Mercedes-benz GLC 300 4MATIC costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Investigations & service bulletins
Manufacturer service bulletins 140
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 140.
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.
Bulletin LI46.10-P-080896 · Steering · Sep 2026Complaint 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…
Bulletin LI83.90-P-080935 · Visibility/wiper · Sep 2026A 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 ca…
Bulletin OTA-Comm. Mod. SW. Update · Electrical System · Sep 2026Complaint 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 brakin…
Bulletin LI42.10-P-078779 · Service Brakes · Sep 2026Complaint 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 presen…
Bulletin LI54.30-P-080963 · Electrical System · Sep 2026Complaint 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…
Bulletin LI82.60-P-080383 · Electrical System · Sep 2026Complaint Whining / humming noises (described as foghorn‑like) from the drivetrain in the rear axle area during cornering. (figure 1) On the above‑mentioned vehicles with a mileage up to 15,000 km (about 9,300 mi), noises can occur from the rear axle different…
Bulletin LI35.31-P-080353 · Power Train · Sep 2026Complaint 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 workin…
Bulletin LI82.62-P-078631 · Structure · Sep 2026Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: • Flashing without a speed limit ("‑ ‑"). • Flashing when current vehicle speed is under speed limit. •…
Bulletin LI54.71-P-079104 · Electrical System · Sep 2026Complaint The Apple Music app is no longer available in the head unit apps menu after updating the software of the (A26/17 ‑ MBUX multimedia system + instrument cluster (head unit)) to E333.8 / A236 904 19 00. Cause Head unit software (CIVIC206) Remedy NOTE: D…
Bulletin LI82.60-P-079747 · Electrical System · Sep 2026Source: NHTSA Office of Defects Investigation, listed for the GLC 300 4MATIC. Model-year data, not specific to one car.