2015 Mercedes-Benz E550 Tire Sizes
Factory original equipment (OE) tire specifications.
Base
FrontTire Size
235/40R18
Load Index
91
Speed Rating
H
Base
RearTire Size
255/35R18
Load Index
94
Speed Rating
H
Base
FrontTire Size
235/40ZR18
Load Index
95
Speed Rating
Y
Base
RearTire Size
255/35ZR18
Load Index
94
Speed Rating
Y