2023 Mercedes-Benz GLA-Class Engine Problems

I am reporting a severe drivability and engine failure issue with my vehicle. The vehicle has been exclusively maintained by authorized Mercedes-Benz service centers. Immediately following a scheduled 60,000-mile (Schedule B/C) maintenance, the Check Engine Light began cycling on and off. The vehicle simultaneously developed severe drivability symptoms: the engine ran extremely rough, and acceleration became erratic and "jumpy." This unpredictable power delivery and hesitation poses a significant safety hazard when accelerating or merging in traffic. I immediately returned the vehicle to the service center to report the issue. The dealership has now retained my vehicle for over 20 days and diagnosed that the cylinder head requires complete replacement. Despite this catastrophic failure occurring immediately after their maintenance procedures, the dealership is holding me financially responsible for the repair costs because the vehicle is past the 4-year/50,000-mile warranty. My vehicle remains immobilized at the dealership."

In reference to Safety Recall N252494000 L87 Engine Loss of Propulsion... vehicle passed the recall test. But 2500 miles after the test the engine failed. Per dealership, awaiting new engine.