Verified government source

NHTSA complaint #11712746

This page summarizes an official U.S. National Highway Traffic Safety Administration owner complaint. Use the verification links below to confirm the record directly with NHTSA.

Vehicle

2020 MERCEDES-BENZ GLC 300

Manufacturer

Mercedes-Benz USA, LLC

Components

ENGINE

Dates

Incident: 12/29/2025
Filed: 01/22/2026

Owner complaint summary

Premature oil pump failure on a 2020 Mercedes-Benz GLC 300 with 71,000 miles. The check engine light illuminated on December 29th, 2025 and with no other warning symptoms. The vehicle has been maintained properly, including regular visits to Mercedes-Benz dealerships. The oil pump is a critical engine component that should not fail at this mileage. It has been recommended to not drive the vehicle without repairing as oil can leak onto a hot engine. This issue has been confirmed by a Mercedes dealer. Mercedes-Benz has offered 1,000 in goodwill on a 7,400 repair, which is unreasonably low given the nature of the failure. The dealer is advocating for higher goodwill, but corporate has refused to escalate or provide a breakdown of the offer. This failure appears to be a premature mechanical defect rather than normal wear, and I am filing this complaint to request federal tracking and review.

This is an owner complaint filed with NHTSA (ODI #11712746). It is not automatically an official recall, investigation outcome, or manufacturer admission unless the complaint text itself describes one.

Official record ID (ODI): 11712746. This page is the human-readable source link used across afterwarranty. The raw JSON link proxies NHTSA's public API for machine verification; prefer this page when reading the complaint.