Mercedes-Benz GL550 tire size
The most common factory tire size for the Mercedes-Benz GL550 is 295/40R21, on 12 of the 12 year and trim fits listed. Each year below lists the sizes its trims were built with (2010 to 2016). Pick your year and trim to see the tires that fit.
Mercedes-Benz GL550 tire sizes by year
20111 size · 1 trim
295/40R21
20101 size · 1 trim
295/40R21
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.