tirewheelguide

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

Bolt pattern 5x112 on every 2018 trim.

Tires for the 2018 Mercedes-Benz SL-Class

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

  1. 255/35R19 Best-rated standard on 2 trims · optional on 1 · Japan, Europe
    Check price on Amazon · 255/35R19
  2. 255/35R19 front + 285/30R19 rear Best-rated standard on 2 trims · optional on 1 · USA, Europe
    Check price on Amazon · 255/35R19 front Check price on Amazon · 285/30R19 rear
  3. 255/40R18 Best-rated standard on 1 trim · optional on 3 · Europe, Japan
    Check price on Amazon · 255/40R18

Also listed: 255/40R18 + 285/35R18 255/35R19 + 285/30R20 255/45R18 255/40R19 + 285/35R19 255/30R20

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Trims sold in 2018
6
Generation
R231 sold in 3 market versions

6 trims sold in 2018

Sold in 3 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

Mercedes-Benz SL-Class R231

2012–2020 6 trims

Europe

2 trims
SL-Class SL 400 362 hp · 3.0L V6 255/40R18 95Y / 285/35R18 97Y 6 fitments
Generation
R231 · 2012–2020
Market
Europe
Power
362 hp
Engine
3.0L V6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/40R18 Check price on Amazon · 285/35R18 Wheels 18x8.5 ET35.5 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front255/40R18 95YRim 18x8.5 ET35.5 5x11236 psi
Rear285/35R18 97YRim 18x9.5 ET47.5 5x11236 psi
Front255/35R19 96YRim 19x8.5 ET35.5 5x11236 psi
Rear285/30R19 98YRim 19x9.5 ET47.5 5x11236 psi
Front255/35R19 96YRim 19x8.5 ET35.5 5x11236 psi
Rear285/30R19 98YRim 19x9.5 ET48 5x11239 psi
Front255/35R19 96YRim 19x9 ET27 5x11236 psi
Rear285/30R20 99YRim 20x10 ET48 5x11239 psi
255/45R18 95VRim 18x8.5 ET35.5 5x11236 psi
255/40R18 95YRim 18x8.5 ET35.5 5x11236 psi

How to read 95Y: 95 is the load index (up to 1,521 lb / 690 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET35.5 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

SL-Class SL 500 449 hp · 4.7L V8 255/40R18 95Y 6 fitments
Generation
R231 · 2012–2020
Market
Europe
Power
449 hp
Engine
4.7L V8, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/40R18 Wheels 18x9.5 ET47.5 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/40R18 95YRim 18x9.5 ET47.5 5x11236 psi
255/35R19 96YRim 19x9.5 ET47.5 5x11236 psi
255/35R19 96YRim 19x9.5 ET48 5x11236 psi
255/35R19 96YRim 19x9.5 ET48 5x11236 psi
255/35R19 96YRim 20x10 ET48 5x11236 psi
255/30R20 95ZRim 20x10 ET40 5x11239 psi

How to read 95Y: 95 is the load index (up to 1,521 lb / 690 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET47.5 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Japan

2 trims
SL-Class SL 400 (DBA-231466) 362 hp · 3.0L V6 255/35R19 96Y 6 fitments
Generation
R231 · 2012–2020
Market
Japan
Power
362 hp
Engine
3.0L V6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/35R19 Wheels 19x9.5 ET47.5 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/35R19 96YRim 19x9.5 ET47.5 5x11236 psi
255/45R18 95VRim 18x8.5 ET35.5 5x11236 psi
255/40R18 95YRim 18x8.5 ET35.5 5x11236 psi
255/40R18 95YRim 18x9.5 ET47.5 5x11236 psi
255/35R19 96YRim 19x9.5 ET48 5x11236 psi
255/35R19 96YRim 20x10 ET48 5x11236 psi

How to read 96Y: 96 is the load index (up to 1,565 lb / 710 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET47.5 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

SL-Class SL 550 (CBA-231473) 449 hp · 4.7L V8 255/35R19 96Y 6 fitments
Generation
R231 · 2012–2020
Market
Japan
Power
449 hp
Engine
4.7L V8, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/35R19 Wheels 19x9.5 ET47.5 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/35R19 96YRim 19x9.5 ET47.5 5x11236 psi
255/40R18 95YRim 18x9.5 ET47.5 5x11236 psi
255/35R19 96YRim 19x9.5 ET48 5x11236 psi
255/35R19 96YRim 19x9.5 ET48 5x11236 psi
255/35R19 96YRim 20x10 ET48 5x11236 psi
255/30R20 95ZRim 20x10 ET40 5x11239 psi

How to read 96Y: 96 is the load index (up to 1,565 lb / 710 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET47.5 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

USA

2 trims
SL-Class SL 450 +1 variant 362 hp · 3.0L V6 255/35R19 96Y / 285/30R19 98Y 5 fitments

Same tires and wheels on: SL 550

Generation
R231 · 2012–2020
Market
USA
Power
362 hp
Engine
3.0L V6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/35R19 Check price on Amazon · 285/30R19 Wheels 19x8.5 ET34.5 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front255/35R19 96YRim 19x8.5 ET34.5 5x11236 psi
Rear285/30R19 98YRim 19x9.5 ET48 5x11239 psi
Front255/35R19 96YRim 19x8.5 ET35.5 5x11236 psi
Rear285/30R19 98YRim 19x9.5 ET47.5 5x11239 psi
Front255/35R19 96YRim 19x8.5 ET35.5 5x11236 psi
Rear285/30R19 98YRim 19x9.5 ET48 5x11239 psi
Front255/40R19 96YRim 19x8.5 ET34.5 5x11236 psi
Rear285/35R19 98YRim 19x9.5 ET48 5x11239 psi
Front255/35R19 96YRim 19x9 ET27 5x11236 psi
Rear285/30R20 99YRim 20x10 ET48 5x11239 psi

How to read 96Y: 96 is the load index (up to 1,565 lb / 710 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET34.5 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
6
Generation
R231 sold in 3 market versions
Other years
All years (1971–2020)

Considering a different size?

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

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