Mercedes GL-Class (X166) Tire Size and Rim Dimensions by Year and Trim

The Mercedes GL-Class (X166) features various tire and rim options depending on the model year and trim level. Understanding the correct tire size markings is essential for maintaining performance, safety, and aesthetics. Common tire sizes range from 265/50R19 to 295/40R21 based on the trim.\n\nRim width and diameter vary to complement tire choices, typically spanning from 8.5×19 inches up to 10×21 inches. Higher trims often include larger rims, improving handling and appearance. These dimension references ensure proper tire fit and optimal vehicle dynamics.\n\nComparing trims involves reviewing their respective tire and wheel configurations. Base models generally feature smaller rims and tires that balance comfort and efficiency, while AMG or sport trims favor wider rims and lower-profile tires for enhanced road grip. Always cross-check tire markings with manufacturer recommendations when replacing or upgrading wheels.\n\nIn summary, selecting the correct tire size and rim width for your Mercedes GL-Class (X166) depends on model year and trim. Familiarizing yourself with these specifications guarantees compatibility and maintains driving performance.

For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Mercedes GL-Class (X166).