2026 Mercedes-Benz GLC 300Problems, recalls & complaints

NHTSA has logged 2 owner complaints about the 2026 Mercedes-Benz GLC 300, most often about the electrical system. It is covered by 3 safety recalls, and for recall 25V-533 the manufacturer reports only 91% of affected cars repaired.

2026 Mercedes-Benz GLC 300

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 21, 2026. Updated daily. Photo: Charles from Port Chester, New York, CC0.

Complaints by system

Where the 2026 Mercedes-Benz GLC 300 has problems

2 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Electrical system10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

3 recalls

2026 Mercedes-Benz GLC 300 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

91%repaired · 2026 Q3

Electrical system: instrument cluster/panel

New

Recall 26V-281 · May 1, 2026 · 144,049 vehicles · 131,615 repaired

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.

Problem, fix and repair progress →

70%repaired · 2026 Q3

Seat belts: rear/other

New

Recall 26V-172 · Mar 20, 2026 · 20 vehicles · 14 repaired

Risk. In the event of a crash, an insufficiently restrained child has an increased risk of injury.

Problem, fix and repair progress →

91%repaired · 2026 Q3

Steering: critical fasteners

Recall 25V-533 · Aug 20, 2025 · 3,749 vehicles · 3,399 repaired

Risk. A loose steering coupling can cause a loss of steering control, increasing the risk of a crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2026 vs. every other GLC 300 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the GLC 300 median. How we score

'16'17'18'19'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What GLC 300 owners report

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.

The MBUX/center display has malfunctioned repeatedly. The enter display suddenly went to completely black on the three separate occasions, and on one additional occasion three times. MBUX system froze and became completely unresponsive. These are four separate incidents, not a one-time occurrence.…
Complaint 11768366 · Oct 1, 2026

Own a 2026 GLC 300?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.