2018 Mercedes-Benz SL550 Wheels & Rims
Shop Wheels for 2018 Mercedes-Benz SL550
Showing 8 of 8+ wheels compatible with the 2018 Mercedes-Benz SL550
The 2018 Mercedes-Benz SL550 Base trim sits on a 5x112 bolt pattern with staggered fitment—18x8.5 up front and 18x9.5 out back. ThreePiece.us offers wheels specifically verified to bolt directly onto your SL550, with options spanning 18 to 20 inches across multiple widths and finishes from top brands like Work Wheels, Rotiform 1PC, and Heritage Wheel.
Upgrading your stance has never been easier. Every wheel we stock for your SL550 is tested for proper fitment, and all orders ship free throughout the lower 48 states. Whether you're after aggressive 20-inch sizing or refined 19-inch proportions, we have the right combination to transform your roadster's appearance.
2018 Mercedes-Benz SL550 Wheel Fitment Guide — What Works & What to Avoid
Your 2018 Mercedes-Benz SL550 requires five-by-112 bolt pattern wheels. Stock fitment pairs an 18-by-8.5 wheel at plus-30 offset up front with an 18-by-9.5 at plus-33 in back. You can upgrade to 19 or 20-inch diameters while maintaining the staggered setup, choosing from sizes like 19-by-8.5 and 19-by-9.5, or 20-by-10 and 20-by-10.5 combinations.
Since only five-by-112 bolts to your vehicle, confirm that specification before purchase. Your hub centers at 66.6 millimeters, so use hub-centric rings if a wheel's bore exceeds that measurement. Aggressive offsets or overly wide wheels risk interference with fenders and suspension components, so stick within the compatible sizes listed for your SL550.
ThreePiece.us verifies every wheel to fit your car and ships free across the lower 48 states. Shop in-stock options from Heritage Wheel, Aodhan, Motegi Racing, Work Wheels, Niche 1PC, Petrol, Rotiform 1PC, and MRR—all engineered to work with your SL550.
2018 Mercedes-Benz SL550 Wheel Fitment Specifications
The 5x112 bolt pattern determines which wheels physically bolt onto your car, while the 66.6mm center bore ensures a hub-centric fit. This car runs a factory staggered setup: 18x8.5 +30 front and 18x9.5 +33 rear.
Lug Type
bolt
Thread Size
M14x1.5
Torque Spec
93 ft-lbs
TPMS
Yes
2018 Mercedes-Benz SL550 Compatible Wheel Sizes — Front Axle
| Wheel Size | Offset Range | Compatible Tires | Notes |
|---|---|---|---|
| 19x8.5 | +25 to +35 | 255/35R19 | — |
| 20x8.5 | +25 to +35 | 255/30R20 | — |
| 19x9 | +25 to +35 | 255/35R19 | — |
| 20x9 | +25 to +35 | 255/30R20 | — |
| 19x9.5 | +25 to +35 | 285/30R19 | 1. Check fitment, possible clearance issues |
2018 Mercedes-Benz SL550 Compatible Wheel Sizes — Rear Axle
| Wheel Size | Offset Range | Compatible Tires | Notes |
|---|---|---|---|
| 19x10 | +25 to +35 | 285/30R19 | — |
| 20x10 | +25 to +35 | 285/30R20 | — |
| 20x10.5 | +25 to +35 | 285/30R20 | — |
| 20x11 | +25 to +35 | 305/25R20 | — |
| 18x9.5 | +25 to +35 | 285/35R18 | — |
| 20x9.5 | +25 to +35 | 285/30R20 | — |
Best Wheel Brands for the Mercedes-Benz SL550
- BBS — LM, RS, FI, CI-R
- Volk Racing — TE37, ZE40
- Work Wheels — Meister, Emotion
- TSW — Bathurst, Nurburgring
- Rotiform — FLG, OZR, BUC
- Enkei — RPF1, TS-V
Complete Your 2018 Mercedes-Benz SL550 Build
- Mercedes-Benz SL550 coilovers — pairs well with a wheel upgrade
- Mercedes-Benz SL550 exhaust systems — pairs well with a wheel upgrade
- Mercedes-Benz SL550 suspension — pairs well with a wheel upgrade
- Mercedes-Benz SL550 brakes — pairs well with a wheel upgrade
- Wheel & tire packages — pre-mounted, balanced, shipped ready to bolt on
- Installation accessories — hub rings, extended studs, TPMS kits, spacers