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The 2019 Mercedes-Benz GLC-Class is designed to run on synthetic oil. The 2.0-liter 4-cylinder engine in the base model requires 5w-40 viscosity oil and has an oil capacity of 7.4 quarts, while the 4matic version needs 6.9 quarts. To maintain optimal engine performance, it is advised to change the oil every 7,500 miles or once a year, whichever occurs first. Regular oil changes not only extend the engine's lifespan but also improve fuel efficiency and overall performance by preventing the buildup of particles and sludge in the engine. Neglecting oil changes can lead to significant issues, as old oil becomes thinner, more abrasive, and causes increased wear on essential engine components. Synthetic oil is the preferred choice for enhanced performance, as it minimizes friction and provides better engine protection.
The 2019 Mercedes-Benz GLC-Class is best suited for synthetic oil. The 2.0L 4-cylinder engine requires a 5W-40 viscosity and can hold 7.4 quarts in the Base model, or 6.9 quarts in the 4MATIC version.
Certain Mercedes GLC 300 4Matics require 0W-20 synthetic oil, which can be found indicated on the filler cap.
I appreciate the details you provided regarding the oil type and capacity for my 2019 GLC300 4MATIC.