How reliable is a Mercedes?
With routine maintenance and care, Mercedes vehicles can remain reliable for 12–15 years or 200,000+ miles. Many owners report decades of ownership, particularly with diesel models or classic sedans such as the E-Class. Long-term reliability is bolstered by: Strong resale value. While some older models were considered “high-mileage” at 100,000 miles, modern Mercedes-Benz vehicles are built to be durable, with many models capable of lasting well into the hundreds of thousands of miles with proper care. The key is understanding what to expect and what to prioritize in terms of service.A well-maintained Mercedes-Benz engine can typically last between 250,000 to 300,000 miles. Some engines, with meticulous maintenance and optimal driving conditions, have been known to exceed this range significantly.