tirewheelguide

2009 Mercedes-Benz SLK-Class AMG tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2009 trim.

Tires for the 2009 Mercedes-Benz SLK-Class AMG

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

  1. 225/40R18 front + 245/35R18 rear Best-rated standard on 2 trims · USA, Europe
    Check price on Amazon · 225/40R18 front Check price on Amazon · 245/35R18 rear
  2. 225/40R18 Best-rated standard on 1 trim · optional on 2 · USA, Europe, Middle East
    Check price on Amazon · 225/40R18
  3. 235/35R19 front + 255/30R19 rear Best-rated optional on 2 trims · USA, Europe
    Check price on Amazon · 235/35R19 front Check price on Amazon · 255/30R19 rear

Also listed: 235/35R19

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Trims sold in 2009
3
Generation
R171 sold in 3 market versions

3 trims sold in 2009

Sold in 3 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

Mercedes-Benz SLK-Class AMG R171

2004–2010 3 trims

Europe

1 trim
SLK-Class AMG SLK 55 AMG 355 hp · 5.4L V8 225/40R18 92Y / 245/35R18 92Y 6 fitments
Generation
R171 · 2004–2010
Market
Europe
Power
355 hp
Engine
5.4L V8, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M12 x 1.5
Check price on Amazon · 225/40R18 Check price on Amazon · 245/35R18 Wheels 18x7.5 ET37 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front225/40R18 92YRim 18x7.5 ET37 5x11232 psi
Rear245/35R18 92YRim 18x8.5 ET30 5x11236 psi
Front225/40R18 92YRim 18x7.5 ET37 5x11232 psi
Rear225/40R18 92YRim 18x8 ET34 5x11236 psi
Front225/40R18 92YRim 18x7.5 ET37 5x11232 psi
Rear245/35R18 92YRim 18x8.5 ET34 5x11236 psi
Front235/35R19 91ZRim 19x8 ET30 5x11232 psi
Rear255/30R19 91ZRim 19x9 ET30 5x11236 psi
225/40R18 92YRim 18x7.5 ET37 5x11232 psi
225/40R18 92HRim 18x7.5 ET37 5x11232 psi

How to read 92Y: 92 is the load index (up to 1,389 lb / 630 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET37 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Middle East

1 trim
SLK-Class AMG SLK 55 AMG 367 hp · 5.4L V8 225/40R18 92Y 6 fitments
Generation
R171 · 2004–2010
Market
Middle East
Power
367 hp
Engine
5.4L V8, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M12 x 1.5
Check price on Amazon · 225/40R18 Wheels 18x7.5 ET37 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/40R18 92YRim 18x7.5 ET37 5x11232 psi
225/40R18 92HRim 18x7.5 ET37 5x11232 psi
225/40R18 92YRim 18x8.5 ET30 5x11232 psi
225/40R18 92YRim 18x8 ET34 5x11232 psi
225/40R18 92YRim 18x8.5 ET34 5x11232 psi
235/35R19 91ZRim 19x9 ET30 5x11236 psi

How to read 92Y: 92 is the load index (up to 1,389 lb / 630 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET37 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

USA

1 trim
SLK-Class AMG SLK 55 AMG 355 hp · 5.5L V8 225/40R18 92Y / 245/35R18 92Y 7 fitments
Generation
R171 · 2004–2010
Market
USA
Power
355 hp
Engine
5.5L V8, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M12 x 1.5
Check price on Amazon · 225/40R18 Check price on Amazon · 245/35R18 Wheels 18x7.5 ET37 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front225/40R18 92YRim 18x7.5 ET37 5x11232 psi
Rear245/35R18 92YRim 18x8.5 ET30 5x11236 psi
Front225/40R18 92YRim 18x7.5 ET37 5x11232 psi
Rear225/40R18 92YRim 18x8 ET34 5x11236 psi
Front225/40R18 92YRim 18x7.5 ET37 5x11232 psi
Rear245/35R18 92YRim 18x8.5 ET34 5x11236 psi
Front225/40R18 92HRim 18x7.5 ET37 5x11232 psi
Rear245/35R18 92HRim 18x8.5 ET30 5x11236 psi
Front235/35R19 91ZRim 19x8 ET30 5x11232 psi
Rear255/30R19 91ZRim 19x9 ET30 5x11236 psi
225/40R18 92YRim 18x7.5 ET37 5x11232 psi
225/40R18 92HRim 18x7.5 ET37 5x11232 psi

How to read 92Y: 92 is the load index (up to 1,389 lb / 630 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET37 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 2009
3
Generation
R171 sold in 3 market versions
Other years
All years (2000–2016)

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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