Mercedes-Benz S550 tire size

The most common factory tire size for the Mercedes-Benz S550 is 245/40R20 front, 275/35R20 rear, on 22 of the 39 year and trim fits listed. The table lists every year from 2010 to 2017 and the size each trim was built with. Pick your year and trim to see the tires that fit.

Mercedes-Benz S550 tire sizes by year

Factory tire sizes of the Mercedes-Benz S550 by year and trim
Year	Factory tire size	Trims
2017	245/40R20 front, 275/35R20 rearload index 99, speed rating Y	4MATIC Coupe & Cabriolet, 4MATIC Sedan, Base, Cabriolet RWD, Coupe 4-Matic, Sedan 4-Matic, Sedan RWD
	245/45R19 front, 275/40R19 rearload index 102, speed rating Y	4MATIC Coupe & Cabriolet, 4MATIC Sedan, Base, Cabriolet RWD, Coupe 4-Matic, Sedan 4-Matic, Sedan RWD
	245/50R18load index 100, speed rating H	4MATIC Sedan, Base, Sedan 4-Matic, Sedan RWD
2016	245/40R20 front, 275/35R20 rearload index 99, speed rating Y	4MATIC Coupe, 4MATIC Sedan, Base, Coupe 4-Matic, Sedan 4-Matic, Sedan RWD
	245/45R19 front, 275/40R19 rearload index 102, speed rating H	4MATIC Coupe, 4MATIC Sedan, Base, Coupe 4-Matic, Sedan 4-Matic, Sedan RWD
	245/50R18load index 100, speed rating H	4MATIC Sedan, Base, Sedan 4-Matic, Sedan RWD
2015	245/40R20 front, 275/35R20 rearload index 99, speed rating Y	4MATIC Coupe, 4MATIC Sedan, Base, Coupe 4-Matic, Sedan 4-Matic, Sedan RWD
	245/45R19 front, 275/40R19 rearload index 102, speed rating H	4MATIC Coupe, 4MATIC Sedan, Base, Coupe 4-Matic, Sedan 4-Matic, Sedan RWD
	245/50R18load index 100, speed rating H	4MATIC Sedan, Base, Sedan 4-Matic, Sedan RWD
2014	245/40R20 front, 275/35R20 rearload index 99, speed rating Y	4-Matic, Base, RWD
	245/45R19 front, 275/40R19 rearload index 102, speed rating H	4-Matic, Base, RWD
	245/50R18load index 100, speed rating H	4-Matic, Base, RWD
2013	255/40R19 front, 275/40R19 rearload index 100, speed rating V	4MATIC w/Sport Pkg., RWD, w/Sport Pkg.
	255/45R18load index 99, speed rating H	4-Matic, Base, RWD
	255/35R20 front, 275/35R20 rear	4-Matic, RWD
	255/35R20	4-Matic
	255/40R19	4-Matic
2012	255/35R20 front, 275/35R20 rear	4-Matic, RWD
	255/40R19	4-Matic, 4MATIC w/Sport Pkg.
	255/45R18	4-Matic, RWD
	255/35R20	4-Matic
	255/40R19 front, 275/40R19 rear	RWD
2011	255/40R19 front, 275/40R19 rearload index 100, speed rating V	Base, RWD, w/Sport Pkg.
	255/45R18load index 99, speed rating H	4-Matic, Base, RWD
	255/35R20 front, 275/35R20 rear	4-Matic, RWD
	255/40R19	4-Matic, 4MATIC w/Sport Pkg.
	255/35R20	4-Matic
2010	255/45R18load index 99, speed rating H	4-Matic, Base, RWD
	255/40R19	4-Matic, 4MATIC w/Sport Pkg.
	255/40R19 front, 275/40R19 rearload index 100, speed rating V	Base, RWD
	255/35R20 front, 275/35R20 rear	RWD

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.

How to read your tire size Other Mercedes-Benz models