WheelOffset

2004 Mercedes-Benz SL-Class Wheel Offset

ET35 · ET30 · ET40

Quick specs

OEM offset
ET35 · ET30 · ET40
Wheel size
Multiple — see configurations
Backspacing
5.63 in · 5.43 in · 5.68 in · 5.88 in · 5.18 in · 6.13 in · 6.07 in
Bolt pattern
5×112
Center bore
66.6 mm
Tire size
Multiple — see configurations

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
SL 350 · 3.7L, V6, Petrol8.5x178.5x18ET35 / ET305.63 in255/45R17 / 255/40R185x11266.6 mmM14 x 1.5
SL 350 · 3.7L, V6, Petrol8.5x188.5x18ET35 / ET305.63 in255/40R185x11266.6 mmM14 x 1.5
SL 350 · 3.7L, V6, Petrol8.5x188.5x18ET305.43 in255/40R185x11266.6 mmM14 x 1.5
SL 500 · 5.0L, V8, Petrol8.5x178.5x18ET35 / ET305.63 in255/45R17 / 255/40R185x11266.6 mmM14 x 1.5
SL 500 · 5.0L, V8, Petrol8.5x188.5x18ET305.43 in255/40R185x11266.6 mmM14 x 1.5
SL 500 · 5.0L, V8, Petrol8.5x188.5x18ET35 / ET305.63 in255/40R185x11266.6 mmM14 x 1.5
SL 600 · 5.5L, V12, Petrol9x199x19ET30 / ET355.68 in275/50R19 / 245/35R195x11266.6 mmM14 x 1.5

See how a different wheel would sit See wheel backspacing

What happens if you change the offset?

Compare your own setup

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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  • White Knight Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Count

    M12 x 1.5

    Matches M12 x 1.5 thread — confirm wheel seat style

    Check price on Amazon

  • White Knight 3807BK-20AM Black Chrome M12x1.50 Spline Lug Nut, 20 items

    M12 x 1.5

    Matches M12 x 1.5 thread — confirm wheel seat style

    Check price on Amazon

Wheel locks

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  • MCGARD Chrome Cone Seat M12 x 1.5 Wheel Locks

    M12 x 1.5 · lock

    Matches M12 x 1.5 — confirm seat style for your wheel

    Check price on Amazon

  • Gorilla Automotive Wheel Locks With Washer (M12x1.50)

    M12 x 1.5 · lock

    Matches M12 x 1.5 — confirm seat style for your wheel

    Check price on Amazon

Real-World 2004 Mercedes-Benz SL-Class 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 — 1 documented build

1 documented build.

2004 Mercedes-Benz SL-Class custom wheel setup

Staggered · 20×? / Rear unknown

Documented on a 2004 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: Lorinser LM6

Front
20×?
Rear
—
Compared with OEM

Compared with the 19×9 ET30 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +1" vs OEM
View full build on Modified1

More specs for the 2004 Mercedes-Benz SL-Class

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.