WheelOffset

2009 Mercedes-Benz SLR McLaren Wheel Offset

ET45

Quick specs

OEM offset
ET45
Wheel size
9x18 · 9x19
Backspacing
6.27 in
Bolt pattern
5×112
Center bore
66.6 mm
Tire size
245/40R18 · 255/35R19

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
SLR · 5.4L, V8, Petrol9x189x18ET456.27 in245/40R185x11266.6 mmM14 x 1.5
SLR · 5.4L, V8, Petrol9x199x18ET456.27 in255/35R19 / 245/40R185x11266.6 mmM14 x 1.5
SLR · 5.4L, V8, Petrol9x189x18ET456.27 in245/40R185x11266.6 mmM14 x 1.5
SLR · 5.4L, V8, Petrol9x199x18ET456.27 in255/35R19 / 245/40R185x11266.6 mmM14 x 1.5
SLR 722 · 5.4L, V8, Petrol9x199x19ET456.27 in255/35R195x11266.6 mmM14 x 1.5

See how a different wheel would sit See wheel backspacing

What happens if you change the offset?

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See how a different width or offset sits versus an OEM configuration for this year.

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Wheels and hardware for this vehicle

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Lug hardware

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  • Dorman 611-236 Wheel Lug Nut M14-1.50

    M14 x 1.5

    Matches M14 x 1.5 thread — confirm wheel seat style

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  • White Knight M14 x 1.50 Lug Nuts

    M14 x 1.5

    Matches M14 x 1.5 thread — confirm wheel seat style

    Check price on Amazon

  • White Knight 3809XLBK-33AM Black M14x1.50 Lug Nuts

    M14 x 1.5

    Matches M14 x 1.5 thread — confirm wheel seat style

    Check price on Amazon

Wheel locks

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Real-World 2009 Mercedes-Benz SLR McLaren Wheel Setups

Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.

Common custom wheel sizes

Among builds in our database for this model year:

  • 20-inch — 3 documented builds

3 documented builds.

2009 Mercedes-Benz SLR McLaren custom wheel setup

Staggered · 20×10 / 21×12.5

Documented on a 2009 Mercedes-Benz SLR McLaren build — observed custom fitment, not a universal fit guarantee.

Wheel: HRE RS102

Front
20×10 · 265/30R20
Rear
21×12.5 · 325/25R21
View full build on Modified1
2009 Mercedes-Benz SLR McLaren custom wheel setup

Staggered · 20×9 / 20×11.5

Documented on a 2009 Mercedes-Benz SLR McLaren build — observed custom fitment, not a universal fit guarantee.

Wheel: 6Sporz²

Front
20×9 · 255/30R20
Rear
20×11.5 · 305/25R20
View full build on Modified1
2009 Mercedes-Benz SLR McLaren custom wheel setup

Staggered · 20×10 / 21×12.5

Documented on a 2009 Mercedes-Benz SLR McLaren build — observed custom fitment, not a universal fit guarantee.

Wheel: ADV.1 10R Track Spec CS

Front
20×10 · 265/30R20
Rear
21×12.5 · 325/25R21
View full build on Modified1

More specs for the 2009 Mercedes-Benz SLR McLaren

OEM offsets are catalog configurations, not an aftermarket “safe ET range.” Matching offset alone does not confirm clearance. Documented custom builds are observed setups only.