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Mercedes-Benz GLC 300Model year report

2025 Mercedes-Benz GLC 300 Problems

Compared with other Mercedes-Benz GLC 300 years

Too new to compare

Nearby years with a typical complaint level and no open NHTSA investigation: 2022

Based only on NHTSA complaints, recalls and investigations. Not adjusted for how many vehicles were sold, and not a reliability rating. How this is calculated

Complaints
16filed with NHTSA
Median mileage
4,700miles, 3 complaints with mileage
Recalls
3campaigns on record
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA crash rating
—no overall rating published
EPA fuel economy
27 mpgcombined, 2.0L 4-cyl · hybrid RWD · 24 city / 32 hwy

Sources: NHTSA records for the 2025 Mercedes-Benz GLC 300 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 16 consumer complaints for the 2025 Mercedes-Benz GLC 300. The part named most often is electrical system, with 12 complaints (75% of the total), followed by engine (3) and forward collision avoidance (3). 3 of the complaints include a mileage, and 100% of those were filed for vehicles with under 50,000 miles; the median is 4,700 miles. Of all complaints, 3 involved a crash, 1 an injury, according to the filers. NHTSA lists 3 recall campaigns and 176 technical service bulletins for this model year. Electrical system complaints overlap with 1 recall campaign and 94 technical service bulletins filed under the same part. Engine complaints overlap with 5 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Also reported: Body and structure (1).

Example complaints

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. …”

NHTSA complaint #11751934, filed 2026-07

Engine: “I am writing to formally express my deep dissatisfaction and serious concerns regarding both my 2024 and 2025 Mercedes-Benz vehicles, purchased/leased through your dealership. I am now facing an unacceptable situation that not only violates my consumer rights but has repeatedly placed my personal safety in jeopardy. After significant issues with my original 2024 vehicle, I was provided a replacement, which I took delivery of on October 15, 2024. Unfortunately, within two weeks, the replacement vehicle was already back in the shop for repairs. …”

NHTSA complaint #11665555, filed 2025-06

Forward collision avoidance: “The contact owns a 2025 Mercedes-Benz GLC300. The contact stated that while driving approximately 30 MPH, there was an abnormal grinding sound coming from the vehicle. The contact stated that the brake assist suddenly activated and the vehicle came to an abrupt stop, causing the seat belt to immediately retract and lock. The contact was slightly jerked from the abrupt stop. The contact stated that a warning light with a red triangle with an image of a crash in the center was illuminated. …”

NHTSA complaint #11683653, filed 2025-08, 2,000 miles

Other or unknown: “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 told there’s no fix but maybe I could look on the internet. So here I am!”

NHTSA complaint #11754184, filed 2026-08

Mileage when problems were reported

100% of the 3 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 2,000 and 17,107 miles.

67%0–1033%10–250%25–500%50–750%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (3 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 4,700 miles.

Complaints by year filed

This model year is less than 4 years old, so a trend is not meaningful yet.

2025102026
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 2025 Mercedes-Benz GLC 300 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
GLC300 RWD2.0L 4-cyl · hybrid9-speed automatic243227$3,050

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2025 Mercedes-Benz GLC 300 → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 176 on record; the latest 10 are shown.

See all 176 bulletins →

Other model years of the Mercedes-Benz GLC 300

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
2025164,7003—27—Too new
2024212,1748—29—Too new
2023558,50012—2867 · MoreToo new
20226110,000252439 · TypicalRising
20216726,0009—2552 · TypicalRising
20206921,25016—2454 · TypicalRising
20194741,500125240 · FewerRising
20188710,5001252448 · TypicalRising
201710129,41612—2444 · TypicalRising
201613311,00012—2480 · MoreFalling

All Mercedes-Benz GLC 300 model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 2025 Mercedes-Benz GLC 300 have?

NHTSA recorded 16 consumer complaints for the 2025 Mercedes-Benz GLC 300 as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2025 Mercedes-Benz GLC 300 is reported most often?

Electrical system is named most often, in 12 complaints (75% of the total), followed by engine with 3.

Has the 2025 Mercedes-Benz GLC 300 been recalled?

NHTSA lists 3 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2025 Mercedes-Benz GLC 300 get?

The EPA rates the 2025 Mercedes-Benz GLC 300 (GLC300, 2.0L 4-cyl · hybrid) at 27 mpg combined, 24 city and 32 highway, with an estimated annual fuel cost of $3,050 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2025 Mercedes-Benz GLC 300 reported?

Among the 3 complaints that include a mileage, the median is 4,700 miles and the middle half falls between 2,000 and 17,107 miles; 100% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.