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2009 Wald Mercedes-Benz S-Class W221 Black Bison Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Wald Mercedes-Benz S-Class W221 Black Bison wheels? This page gives the 2009 Wald Mercedes-Benz S-Class W221 Black Bison bolt pattern (5x112), centre bore, factory rim size and the offset range for aftermarket and forged Wald Mercedes-Benz S-Class W221 Black Bison rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2009 Wald Mercedes-Benz S-Class W221 Black Bison uses a 5x112 bolt pattern with a 66.6 mm centre bore and M14x1.5 lug bolts. For aftermarket wheels, 22x9J ET32 front / 22x10.5J ET38 rear sits flush.
Forged wheels for the 2009 Wald Mercedes-Benz S-Class W221 Black Bison — drilled 5x112 with a 66.6 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.
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Wald Mercedes-Benz S-Class W221 Black Bison (2009): 5x112 bolt pattern, 66.6mm center bore, OE F 18x8.5J ET43 / R 18x9.5J ET43.
Bolt Pattern5x112
Wheel Bolt/NutM14x1.5 Bolt
Center Bore66.6mm
Wheel Load Rating700–850 kg/wheel (Performance / Sports Car segment reference)
Year2009
Category5-Lug Performance / Tuner
✓ Data check: the bolt pattern and center bore on this page match an independent fitment reference. Last reviewed September 18, 2026. How we verify
Wheel Size & Offset at a Glance
| Configuration | Wheel Size & Offset |
|---|---|
| Flush Fitment | F 22x9J ET32 / R 22x10.5J ET38 |
Forged Wheel Designs for the Wald Mercedes-Benz S-Class W221 Black Bison
Every design below is forged to order, so it can be machined to the Wald Mercedes-Benz S-Class W221 Black Bison's 5x112 bolt pattern and 66.6 mm center bore, with the width and offset calculated for your setup.
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How to Read Wheel Offset & Measurements
Use these two references before ordering: the left diagram shows where each spec (PCD, center bore, offset, width and diameter) is measured on the wheel; the right diagram shows how positive, zero and negative offset shift the wheel face relative to the hub centerline.
ANKUSI Engineering Expert Advice
A sedan's wheel spec is a balance point the factory tuned between ride comfort, steering feel, and everyday durability. Forging lets us hold that same structural margin while cutting rotational mass, which is where most of the real-world benefit — quicker steering response, marginally better ride — actually comes from.
The Wald Mercedes-Benz S-Class W221 Black Bison ships from the factory on a 5x112 bolt pattern with a 66.6mm center bore and a F 18x8.5J ET43 / R 18x9.5J ET43 wheel. Our flush reference for the Wald Mercedes-Benz S-Class W221 Black Bison is F 22x9J ET32 / R 22x10.5J ET38.; our maximum aggressive reference is F 22x9.5J ET28 / R 22x11J ET35. — beyond that, expect clearance issues against the fender liner without further modification.
Wald Mercedes-Benz S-Class W221 Black Bison OE Wheel Specs
The Wald Mercedes-Benz S-Class W221 Black Bison ships from the factory on 5x112 bolt pattern wheels with a 66.6mm center bore. The stock wheel size is F 18x8.5J ET43 / R 18x9.5J ET43, offering a balanced ride that suits most owners without any rubbing or clearance concerns.
Why the factory spec works for most owners:
- Balances ride comfort with steering response and highway efficiency.
- Wide tire and wheel availability at the factory diameter keeps replacement costs low.
- Lower unsprung weight than larger aftermarket wheels helps ride quality and acceleration.
- Guaranteed clearance against brake calipers and suspension components.
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Wald Mercedes-Benz S-Class W221 Black Bison (2009) we drill the 5x112 pattern and cut the centre bore to 66.6mm on our own CNC line, so the wheel hub-centres on the car with no spacer rings, in whatever diameter, width and offset you specify.
Converting these ET figures to backspacing? Use the wheel offset and backspacing calculator.
The figures on this page are part of our open wheel fitment dataset — 10,093 vehicles, free to download, CC BY 4.0.
Offset & Backspacing Reference
Backspacing is calculated as: wheel width (in) / 2 + offset (mm) / 25.4 + 0.5.
- OE 18x8.5J ET43: backspacing ≈ 6.44"
- Flush 22x9J ET32: backspacing ≈ 6.26"
- Max 22x9.5J ET28: backspacing ≈ 6.35"
Use our offset & backspacing calculator to fine-tune your fitment, or contact ANKUSI for a custom forged wheel quote for your Wald Mercedes-Benz S-Class W221 Black Bison.
Vehicles With the Same Hub as the Wald Mercedes-Benz S-Class W221 Black Bison (5x112, 66.6 mm Bore)
In our database, 823 other vehicle entries from 21 makes use exactly the same 5x112 bolt pattern and 66.6 mm center bore. Factory wheels from these cars bolt on and center on the hub without rings; offset and width still have to be checked.
5x112 is used by 21.6% of the vehicle pages in our English fitment guide (1,407 of 6,503); 58.6% of those also use a 66.6 mm center bore.
Hub-Centric Rings for a 66.6 mm Center Bore
A wheel with a center bore larger than 66.6 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 67.1 mm | 67.1 → 66.6 mm |
| 70.1 mm | 70.1 → 66.6 mm |
| 70.5 mm | 70.5 → 66.6 mm |
| 71.6 mm | 71.6 → 66.6 mm |
| 73.1 mm | 73.1 → 66.6 mm |
ANKUSI forged wheels are bored to exactly 66.6 mm for this vehicle, so no ring is needed.
Frequently Asked Questions
What bolt pattern (PCD) does the Wald Mercedes-Benz S-Class W221 Black Bison use?
The 2009 Wald Mercedes-Benz S-Class W221 Black Bison uses a 5x112 bolt pattern.
How many lug bolts does the Wald Mercedes-Benz S-Class W221 Black Bison use?
The Wald Mercedes-Benz S-Class W221 Black Bison uses a 5-lug bolt pattern (5x112), so you need a 5-lug forged wheel to bolt straight on.
What is the center bore size on the Wald Mercedes-Benz S-Class W221 Black Bison?
The Wald Mercedes-Benz S-Class W221 Black Bison's center bore is 66.6mm. If an aftermarket wheel has a larger center bore than this, hub-centric rings are recommended so the wheel centers on the hub itself rather than relying on the lug bolts alone.
What does a flush wheel fitment look like on the Wald Mercedes-Benz S-Class W221 Black Bison?
For a flush look with minimal to no rubbing, we recommend F 22x9J ET32 / R 22x10.5J ET38 as a starting point on a stock or mildly lowered Wald Mercedes-Benz S-Class W221 Black Bison.
Do I need wheel spacers for my Wald Mercedes-Benz S-Class W221 Black Bison?
No. ANKUSI forges each wheel to your exact target offset, including the flush or max specs above, so you get the correct fitment without stacking spacers. Spacers are typically only used to push out an existing OE-offset wheel without replacing it, which isn't necessary when you're ordering a custom-offset forged wheel.
How do I calculate wheel backspacing for my Wald Mercedes-Benz S-Class W221 Black Bison?
Backspacing (in inches) = wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance). For example, the flush spec above works out to roughly 6.26" backspacing up front and 7.25" in the rear.
What's the difference between wheel offset and backspacing?
Offset is the distance in millimeters from the wheel's true centerline to its mounting face (positive offset pulls the wheel in, negative pushes it out). Backspacing is the distance in inches from the mounting face to the back edge of the wheel barrel. They describe the same fitment from two different reference points, which is why ANKUSI lists both above — some shops and tuning guides quote offset, others quote backspacing.
Can I run staggered wheels (different sizes front and rear) on my Wald Mercedes-Benz S-Class W221 Black Bison?
Yes — the Wald Mercedes-Benz S-Class W221 Black Bison's factory and our recommended flush/max fitments already use staggered sizing (different width front and rear), and ANKUSI can forge matching staggered sets to your target offsets.
Sources and Last Update
Data checked against: avtoreference.com, tirewheelguide.com.
This record is part of the open ANKUSI Wheel Fitment Dataset (DOI 10.5281/zenodo.23241521, CC BY 4.0).
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.