Mercedes C-Class T-Model (S203) Tire Sizes & Rim Specifications by Year and Trim

The Mercedes C-Class T-Model (S203) includes various tire size configurations depending on the model year and trim level. Early models typically use 205/55R16 tires, with rim widths around 6.5 to 7 inches. Higher trims and later years often feature wider tires such as 225/45R17 or 225/40R18 on rims 7 to 8 inches wide.\n\nWhen comparing trims, note that sportier versions often come equipped with larger diameter wheels and lower-profile tires for improved handling. Standard trims favor comfort-oriented tire sizes with higher sidewalls. Always check the specific tire size markings indicated on your vehicle’s placard or owner's manual for accurate selection.\n\nRim diameters generally range from 16 to 18 inches on the S203, with variations in rim width aiding both performance and aesthetics. Matching tire size to the correct rim width is essential for safety, ride quality, and maintaining factory handling characteristics.\n\nFor practical guidance, focus on the recommended tire size for your exact model year and trim. Comparing nominal tire widths and rim widths can help you choose appropriate aftermarket options while preserving vehicle performance.

For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Mercedes C-Class T-Model (S203).