tirewheelguide

2018 Mercedes-Benz S-Class Cabrio tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2018 trim.

Tires for the 2018 Mercedes-Benz S-Class Cabrio

Sizes most trims come with first. Open your trim below for its exact size.

  1. 245/50R18 front + 275/45R18 rear Best-rated standard on 1 trim · optional on 1 · Europe, Japan
    Check price on Amazon · 245/50R18 front Check price on Amazon · 275/45R18 rear
  2. 245/40R20 front + 275/35R20 rear Best-rated standard on 1 trim · optional on 1 · Europe, Japan
    Check price on Amazon · 245/40R20 front Check price on Amazon · 275/35R20 rear
  3. 245/50R18 Best-rated optional on 2 trims · Europe, Japan
    Check price on Amazon · 245/50R18

Also listed: 245/45R19 245/45R19 + 275/40R19

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Trims sold in 2018
2
Generation
A217 sold in 2 market versions

2 trims sold in 2018

Sold in 2 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

Mercedes-Benz S-Class Cabrio A217

2015–2021 2 trims

Europe

1 trim
S-Class Cabrio S 560 463 hp · 4.0L M176.980 V8 245/50R18 100W / 275/45R18 103W 10 fitments
Generation
A217 · 2015–2021
Market
Europe
Power
463 hp
Engine
4.0L M176.980 V8, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/50R18 Check price on Amazon · 275/45R18 Wheels 18x8 ET41 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front245/50R18 100WRim 18x8 ET41 5x112–
Rear275/45R18 103WRim 18x9.5 ET43.5 5x112–
Front245/45R19 102YRim 19x8.5 ET38 5x112–
Rear275/40R19 101YRim 19x9.5 ET38 5x112–
Front245/45R19 102VRim 19x8.5 ET36 5x11238 psi
Rear275/40R19 102VRim 19x9.5 ET43.5 5x11238 psi
Front245/40R20 99YRim 20x8.5 ET38 5x11238 psi
Rear275/35R20 102YRim 20x9.5 ET38 5x11238 psi
Front245/45R19 102YRim 19x8.5 ET36 5x11238 psi
Rear275/40R19 101YRim 19x9.5 ET43.5 5x11241 psi
Front245/40R20 99YRim 20x8.5 ET36 5x11238 psi
Rear275/35R20 102YRim 20x9.5 ET43.5 5x11238 psi
Front245/40R20 99YRim 20x8.5 ET36.5 5x11238 psi
Rear275/35R20 102YRim 20x9.5 ET44 5x11238 psi
245/50R18 100WRim 18x8 ET41 5x112–
245/45R19 102VRim 19x8.5 ET36 5x112–
245/45R19 102VRim 19x8.5 ET38 5x11238 psi

How to read 100W: 100 is the load index (up to 1,764 lb / 800 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET41 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Japan

1 trim
S-Class Cabrio S 560 (DBA-217483) 463 hp · 4.0L M278 V8 245/40R20 99Y / 275/35R20 102Y 10 fitments
Generation
A217 · 2015–2021
Market
Japan
Power
463 hp
Engine
4.0L M278 V8, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/40R20 Check price on Amazon · 275/35R20 Wheels 20x8.5 ET38 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front245/40R20 99YRim 20x8.5 ET38 5x11238 psi
Rear275/35R20 102YRim 20x9.5 ET38 5x11241 psi
Front245/50R18 100WRim 18x8 ET41 5x11238 psi
Rear275/45R18 103WRim 18x9.5 ET43.5 5x11241 psi
Front245/45R19 102YRim 19x8.5 ET36 5x11238 psi
Rear275/40R19 101YRim 19x9.5 ET43.5 5x11241 psi
Front245/45R19 102YRim 19x8.5 ET38 5x11238 psi
Rear275/40R19 101YRim 19x9.5 ET38 5x11238 psi
Front245/45R19 102VRim 19x8.5 ET36 5x11238 psi
Rear275/40R19 102VRim 19x9.5 ET43.5 5x11238 psi
Front245/40R20 99YRim 20x8.5 ET36 5x11238 psi
Rear275/35R20 102YRim 20x9.5 ET43.5 5x11238 psi
Front245/40R20 99YRim 20x8.5 ET36.5 5x11238 psi
Rear275/35R20 102YRim 20x9.5 ET44 5x11238 psi
245/50R18 100WRim 18x8 ET41 5x11238 psi
245/45R19 102VRim 19x8.5 ET36 5x11238 psi
245/45R19 102VRim 19x8.5 ET38 5x11238 psi

How to read 99Y: 99 is the load index (up to 1,709 lb / 775 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET38 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

What these columns mean
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Staggered
A wider tire on the rear axle than the front. Front-to-back rotation is not possible.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 2018
2
Generation
A217 sold in 2 market versions
Other years
All years (2015–2021)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

Open the size calculator

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