2018 Mercedes-Benz S-Class Cabrio AMG Wheel & Tire Sizes
Complete fitment guide for the 2018 Mercedes-Benz S-Class Cabrio AMG: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x112 bolt pattern — for every trim.
Bolt Pattern
5x112
Centre Bore
66.6 mm
Lug bolts
M14 x 1.5
TPMS
433 MHz
Factory (OEM) Tire Sizes for the 2018 Mercedes-Benz S-Class Cabrio AMG
Front / square fitments
Rear (staggered fitments)
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2018 Mercedes-Benz S-Class Cabrio AMG Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2018 Mercedes-Benz S-Class Cabrio AMG configuration. Trims with different front and rear specs run a staggered setup.
S 63 · Convertible, 2d
Staggered4.0L · V8 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 19–24" | 19–24" |
| Wheel width | 8.5–9" | 9.5–10.5" |
| Wheel offset | 25–40 mm | 30–39 mm |
| Tire width | 245–255 mm | 285 mm |
S 65 · Convertible, 2d
Staggered6.0L · V12 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 19–24" | 19–24" |
| Wheel width | 8.5–9" | 9.5–10.5" |
| Wheel offset | 25–39 mm | 30–39 mm |
| Tire width | 245–255 mm | 285 mm |
2018 Mercedes-Benz S-Class Cabrio AMG Fitment FAQ
What is the bolt pattern on a 2018 Mercedes-Benz S-Class Cabrio AMG?
The 2018 Mercedes-Benz S-Class Cabrio AMG uses a 5x112 bolt pattern (5 lug bolts on a 112 mm circle) with a 66.6 mm centre bore.
What size tires fit a 2018 Mercedes-Benz S-Class Cabrio AMG?
Factory (OEM) tire sizes for the 2018 Mercedes-Benz S-Class Cabrio AMG include 255/45ZR19, 255/45R19, 255/40ZR20, 255/40R20; staggered rear fitments use 285/40ZR19, 285/35ZR20, 285/35R20. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2018 Mercedes-Benz S-Class Cabrio AMG?
Depending on trim, the 2018 Mercedes-Benz S-Class Cabrio AMG accepts wheels from 19" up to 24" in diameter with the correct width and offset — larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug bolt size does a 2018 Mercedes-Benz S-Class Cabrio AMG use?
The 2018 Mercedes-Benz S-Class Cabrio AMG uses M14 x 1.5 lug bolts.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.