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2015 Mercedes-Benz AMG GT S F1 Safety Car Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Mercedes-Benz AMG GT S F1 Safety Car wheels? This page gives the 2015 Mercedes-Benz AMG GT S F1 Safety Car bolt pattern (5x112), centre bore, factory rim size and the offset range for aftermarket and forged Mercedes-Benz AMG GT S F1 Safety Car rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2015 Mercedes-Benz AMG GT S F1 Safety Car uses a 5x112 bolt pattern with a 66.6 mm centre bore and M14x1.5 lug bolts.
Forged wheels for the 2015 Mercedes-Benz AMG GT S F1 Safety Car — 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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Mercedes-Benz AMG GT S F1 Safety Car (2015): 5x112 bolt pattern, 66.6mm center bore, OE F 19x9J ET58 / R 20x11J ET68. Forged wheel fitment specs from ANKUSI.
Bolt Pattern5x112
Wheel Bolt/NutM14x1.5 Bolt
Center Bore66.6mm
Wheel Load Rating650–750 kg/wheel (Standard Passenger Car segment reference)
Caliper TypeBrembo 6-piston fixed front / 4-piston fixed rear (OEM, AMG GT)
Year2015
Category5-Lug Standard Sedan
✓ 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 20x9.5J ET28 / R 20x11.5J ET35 |
Forged Wheel Designs for the Mercedes-Benz AMG GT S F1 Safety Car
Every design below is forged to order, so it can be machined to the Mercedes-Benz AMG GT S F1 Safety Car'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 Mercedes-Benz AMG GT S F1 Safety Car ships from the factory on a 5x112 bolt pattern with a 66.6mm center bore and a F 19x9J ET58 / R 20x11J ET68 wheel. Our flush reference for the Mercedes-Benz AMG GT S F1 Safety Car is F 20x9.5J ET28 / R 20x11.5J ET35.; our maximum aggressive reference is F 21x10J ET25 / R 21x12J ET30. — beyond that, expect clearance issues against the fender liner without further modification.
Mercedes-Benz AMG GT S F1 Safety Car OE Wheel Specs
Correction (19 Sep 2026): factory wheel offsets corrected from F ET35 / R ET40 to F ET58 / R ET68 (verified against wheel-size.com and avtoreference.com). The flush and maximum-aggressive reference sizes below were written against the previous figure and are being re-verified; treat them as provisional until this notice is removed.
The Mercedes-Benz AMG GT S F1 Safety Car ships from the factory on 5x112 bolt pattern wheels with a 66.6mm center bore. The stock wheel size is F 19x9J ET58 / R 20x11J ET68, 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 Mercedes-Benz AMG GT S F1 Safety Car (2015) 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 and Backspacing: Factory Wheel vs Options
Backspacing ≈ width/2 + ET/25.4 + 0.5 in. "Inward" means closer to the suspension; "outward" means closer to the fender lip.
| Setup | Size | ET | Backspacing | Inward vs OE | Outward vs OE |
|---|---|---|---|---|---|
| Factory (OE) | 19x9J | ET58 | 7.28 in (185 mm) | — | — |
| Flush | 20x9.5J | ET28 | 6.35 in (161 mm) | −24 mm | +36 mm |
| Maximum | 21x10J | ET25 | 6.48 in (165 mm) | −20 mm | +46 mm |
Vehicles With the Same Hub as the Mercedes-Benz AMG GT S F1 Safety Car (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 Mercedes-Benz AMG GT S F1 Safety Car use?
The 2015 Mercedes-Benz AMG GT S F1 Safety Car uses a 5x112 bolt pattern.
How many lug bolts does the Mercedes-Benz AMG GT S F1 Safety Car use?
The Mercedes-Benz AMG GT S F1 Safety Car 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 Mercedes-Benz AMG GT S F1 Safety Car?
The Mercedes-Benz AMG GT S F1 Safety Car'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 Mercedes-Benz AMG GT S F1 Safety Car?
For a flush look with minimal to no rubbing, we recommend F 20x9.5J ET28 / R 20x11.5J ET35 as a starting point on a stock or mildly lowered Mercedes-Benz AMG GT S F1 Safety Car.
Do I need wheel spacers for my Mercedes-Benz AMG GT S F1 Safety Car?
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 Mercedes-Benz AMG GT S F1 Safety Car?
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 6.35" backspacing up front and 7.63" 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 Mercedes-Benz AMG GT S F1 Safety Car?
Yes — the Mercedes-Benz AMG GT S F1 Safety Car'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.
Wheel Installation Reference: Torque, Thread & TPMS
Thread & Fastener: M14x1.5, ball-seat lug bolt.
Factory Torque Spec: 130 Nm (96 ft-lb). Sedan/coupe platforms (E-Class, CLS, SL and similar) generally use the shorter 27mm bolt at this spec.
TPMS: TPMS (Tire Pressure Monitoring System) has been federally mandated on all new light vehicles sold in the US since the 2008 model year. If your wheels use OE-style sensors, have them transferred or cloned to the new wheels at installation.
Tire Pressure: Always set tire pressure to the value on your vehicle's tire placard (driver's doorjamb or glovebox), not the max PSI printed on the tire sidewall — this is trim- and tire-size-specific and stays the same reference point when you switch to a different wheel and tire combination.
Reference data compiled from published OEM service specifications and cross-checked against independent repair sources; always confirm against your owner's manual or door-jamb placard before installation.
Sources and Last Update
Data checked against: avtoreference.com.
This record is part of the open ANKUSI Wheel Fitment Dataset (DOI 10.5281/zenodo.23241521, CC BY 4.0).
Other cars on the same factory size: 19x9 wheels · 19 inch wheels.
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.
Bolt pattern and center bore on this page come from published fitment references and are still awaiting a second independent check. Last reviewed 2026-09-18. Spotted an error? Email info@ankusi.com and we will verify and correct it.