2018 Mercedes-Benz SL Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2018 Mercedes-Benz SL, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x112 |
|---|---|
| Lug Nut / Bolt Size | B 14x1.50 |
| Center Bore (CB) | 66.6 mm |
| Offset (ET) | 36 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2018 SL — Year-Specific Fitment Context
The 2018 Mercedes-Benz SL is in year 3 of 4 using the 5x112 pattern (2016–2019). Wheels from any 2016–2019 Mercedes-Benz SL are cross-compatible with the 2018 model.
Mercedes-Benz SL Bolt Pattern by Year
The table below shows how the SL's wheel specifications have changed over the years. The 2018 model year is highlighted.
5x112 Pattern Context
This bolt pattern appears on 1490 vehicles in our current database and is considered common.
Examples of other vehicles using 5x112:
Expert Buying Guide for 2018 Mercedes-Benz SL
For your 2018 Mercedes-Benz SL, the critical fitment specs are bolt pattern 5x112, center bore 66.6mm, offset 36mm, and lug nut size B 14x1.50. The 66.6mm center bore is hub-centric; aftermarket wheels with a larger bore require hub-centric rings to prevent vibrations and ensure proper load distribution. Offset is sensitive: a deviation beyond ±5mm can cause rubbing or clearance issues with brakes and suspension. Always use lug nuts with the correct thread pitch (14x1.50) and seat type (ball or cone seat as per wheel manufacturer). Improper lug nuts can lead to wheel loosening. Re-torque after 50-100 miles.
Historical Fitment Data Reference
In our dataset, Mercedes-Benz SL appears from 2016 to 2019 (4 model years). Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 86.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 110-120 Nm after 50-100 miles of driving.
- ✅ If using aftermarket wheels, verify hub-centric ring inner diameter matches 66.6mm and outer diameter matches wheel bore.
- ✅ Check brake caliper clearance when changing offset; 36mm is tight, and a lower offset may require spacers or may not clear.
- ⚠️ Confirm bolt pattern carefully. 5x112 is often confused with other common 5-lug patterns.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
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2018 Mercedes-Benz SL — Frequently Asked Questions
What is the bolt pattern for a 2018 Mercedes-Benz SL?
The 2018 Mercedes-Benz SL uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 66.6mm and the offset is 36mm.
What other years of Mercedes-Benz SL have the same bolt pattern as the 2018?
The Mercedes-Benz SL uses the 5x112 pattern from 2016 through 2019. Wheels from any of these model years are dimensionally compatible with the 2018, provided the offset and center bore also match.
Do 2018 Mercedes-Benz SLs use lug bolts or lug nuts?
The 2018 SL requires B 14x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the center bore of a 2018 Mercedes-Benz SL?
The factory center bore (hub bore) for the 2018 Mercedes-Benz SL is 66.6mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What is the PCD for a 2018 Mercedes-Benz SL?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2018 SL, the PCD is 5x112.
Can I put aftermarket wheels on my 2018 Mercedes-Benz SL?
Absolutely. Just ensure the aftermarket wheels have a 5x112 bolt pattern, an offset near 36mm, and a center bore of at least 66.6mm (using hub rings if larger).
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