The contact owns a 2019 Mercedes-Benz GLC 350. While the contact's husband was attempting to park the vehicle, the vehicle independently accelerated. The contact stated that the vehicle was uncontrollable. The vehicle crashed into two vehicles and then crashed into a tree before coming to a stop. The contact stated that the speed independently increased to approximately 50 - 60 MPH. The vehicle…
2019 Mercedes-Benz GLC-Class cruise control problems
severe Owners of the 2019 Mercedes-Benz GLC-Class have filed 3 NHTSA complaints about the cruise control at roughly $600 to repair (U.S. federal records, as of November 2026). Source: NHTSA Office of Defects Investigation. See cruise control across all vehicles →
| Model year | cruise control complaints |
|---|---|
| 2019 GLC-Class (this page) | 3 |
| 2020 GLC-Class | 3 |
When does it fail?
Of the 3 cruise control complaints filed for the 2019 Mercedes-Benz GLC-Class, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Owners are still filing on this — the most recent NHTSA cruise control complaint for this vehicle was logged 22 days ago.
What owners are reporting 2 most recent
The contact owned a 2019 Mercedes-Benz GLC 300. The contact stated that while driving at 15 MPH up and down the street on the fourth trip, the vehicle pulled to the left and suddenly accelerated, traveled over the curb, went through a sign on a pole, vegetation, and crashed into a concrete planter box. There were no warning lights illuminated. The air bag deployed. The contact sustained bruises…
Common questions
How serious is the cruise control problem on the 2019 Mercedes-Benz GLC-Class?
It's a meaningful issue. 3 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $600.
At what mileage does the cruise control typically fail?
Based on the 3 complaints filed, cruise control issues most often appear around 65,000 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $600 for cruise control repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to cruise control?
No active recalls currently cover cruise control issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.