The Mercedes-Benz C300 is a luxury sedan known for its upscale cabin, cutting-edge features, and smooth engine. Key features include a 2.0-liter turbocharged engine with 241-429 horsepower, depending on the model year, and a 9G-TRONIC or 7G-TRONIC PLUS automatic transmission. The C300 offers all-wheel drive (4MATIC) or rear-wheel drive. Fuel economy ranges from 25 mpg city to 35 mpg highway. The 2023 model is a top pick with state-of-the-art features, while the 2022 and 2021 models offer sleek styling and improved fuel efficiency. Some model years had reliability issues, but overall, the C300 is a solid choice for luxury sedan enthusiasts.