"How reliable is the 2018 Mercedes-Benz Glc 300?"

"Based on 119 NHTSA complaints, the 2018 Mercedes-Benz Glc 300 has a median complaint mileage of 9600 miles. The most common issue is ENGINE."

"What are common problems with the 2018 Mercedes-Benz Glc 300?"

"The most frequently reported component in NHTSA complaints for the 2018 Mercedes-Benz Glc 300 is ENGINE, accounting for a significant portion of the 119 total complaints filed."

2018 Mercedes-Benz Glc 300: Reliability Data

Source: NHTSA — 119 complaints

119

Total Complaints

9,600mi

Median Mileage

ENGINE

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

3,200 25th Percentile

9,600 Median Mileage

21,750 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE

UNKNOWN OR OTHER

ELECTRICAL SYSTEM

SEAT BELTS

FUEL/PROPULSION SYSTEM

STRUCTURE:BODY

POWER TRAIN

AIR BAGS

SERVICE BRAKES

STEERING

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"MY HEEL GOT STUCK WHEN PRESSING THE GAS PEDAL CREATING A SAFETY HAZARD. MY SHOE WAS STUCK AND I HAD TO DRIVE BAREFOOT. I TOOK IT TO THE MERCEDES CALABASAS DEALERSHIP AND THEY SAID THERE WAS NOTHING THEY COULD DO AND I SHOULD NOT WEAR HEELS WHEN DRIVING. I HAVE DRIVEN FOR OVER 30 YEARS WITH NO ISSUES..."

"I AM HAVING AN ISSUE OF SQUEAKY BRAKE. IT USUALLY HAPPENS IN SNOWING DAY OR DAY AFTER FROM FRONT WHEEL. BUT, IT WOULD HAVE HAPPENED AT SUNNY DAY TOO. IT SOUNDS VERY LOUD, SO ANNOYING. I TOOK MY CAR MERCEDES DEALERSHIP WHERE I LEASED THE CAR. FOR THE FIRST TIME, THEY FIXED. ACCORDING TO THE INV..."

"MY WORK HEELS GOT STUCK BETWEEN THE CARPET AND GAS PEDAL CREATING A DRIVING HAZARD. THERE IS A GAP THAT IS DANGEROUS AND AFTER NOTIFYING THE DEALER AND MB, THEY SAID THAT I SHOULD NOT WEAR WORK HEELS. I AM A PROFESSIONAL WOMAN AND WEAR BUSINESS SHOES. THE HEEL GOT STUCK CAUSING ME TO DRIVE WITH NO S..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28