Mercedes B-Class (W246, W242) Wheel Lug Pattern, Offset, and Rim Size Reference

The Mercedes B-Class (W246, W242) requires precise wheel lug patterns to guarantee safe and proper fitment. This model typically uses a 5x112 bolt pattern (5 lugs with 112 mm pitch circle diameter), consistent across model years.\n\nWheel offset (ET) for the B-Class usually ranges between ET38 and ET45, influencing wheel positioning relative to the suspension and fenders. The center bore diameter measures 66.6 mm, matching the hub to ensure vibration-free mounting.\n\nRim sizes for the W246 and W242 series vary by year and trim, commonly ranging from 16 to 18 inches in diameter with varying widths to balance ride comfort and handling. Always refer to the year-sorted catalog to confirm suitable rim dimensions and specifications.\n\nUsing the correct PCD, offset, center bore, and rim size is essential to maintain driving safety, steering precision, and overall vehicle performance. This guide provides the reliable data needed for selecting compatible wheels on your Mercedes B-Class (W246, W242).