1999 Mercedes-Benz SL-Class Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1999 Mercedes-Benz SL-Class, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x112 |
|---|---|
| Lug Nut / Bolt Size | B 12x1.50 |
| Center Bore (CB) | 66.6 mm |
| Offset (ET) | 32 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1999 SL-Class — Year-Specific Fitment Context
The 1999 Mercedes-Benz SL-Class is in year 6 of 22 using the 5x112 pattern (1994–2015). Wheels from any 1994–2015 Mercedes-Benz SL-Class are cross-compatible with the 1999 model.
Mercedes-Benz SL-Class Bolt Pattern by Year
The table below shows how the SL-Class's wheel specifications have changed over the years. The 1999 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1994 | 5x112 | 66.6 | 32 |
| 1995 | 5x112 | 66.6 | 32 |
| 1996 | 5x112 | 66.6 | 32 |
| 1997 | 5x112 | 66.6 | 32 |
| 1998 | 5x112 | 66.6 | 32 |
| ▸ 1999 | 5x112 | 66.6 | 32 |
| 2000 | 5x112 | 66.6 | 32 |
| 2001 | 5x112 | 66.6 | 32 |
| 2002 | 5x112 | 66.6 | 32 |
| 2003 | 5x112 | 66.6 | 32 |
| 2004 | 5x112 | 66.6 | 35 |
| 2005 | 5x112 | 66.6 | 35 |
| 2006 | 5x112 | 66.6 | 35 |
| 2007 | 5x112 | 66.6 | 35 |
| 2008 | 5x112 | 66.6 | 35 |
| 2009 | 5x112 | 66.6 | 35 |
| 2011 | 5x112 | 66.6 | 35 |
| 2012 | 5x112 | 66.6 | 35 |
| 2013 | 5x112 | 66.6 | 35 |
| 2014 | 5x112 | 66.6 | 36 |
| 2015 | 5x112 | 66.6 | 36 |
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 1999 Mercedes-Benz SL-Class
When selecting wheels for your 1999 Mercedes-Benz SL-Class, the 66.6mm center bore is critical. Aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. The factory offset is 32mm; deviations beyond ±5mm may cause rubbing or clearance issues. Always verify lug nut compatibility: the 12x1.50 thread pitch is standard, but seat type matters—Mercedes uses ball seats, not conical. Using incorrect lug nuts can lead to wheel loosening. For optimal safety, choose wheels with a load rating matching or exceeding OEM specifications.
Historical Fitment Data Reference
In our dataset, Mercedes-Benz SL-Class appears from 1994 to 2015 (21 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: 4.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to ensure proper seating.
- ✅ Avoid using universal fit wheels without hub-centric rings; they can cause vibration and stress on wheel bearings.
- ✅ Check inner clearance for brake calipers, especially with aftermarket wheels; the SL-Class has large brakes.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ Confirm bolt pattern carefully. 5x112 is often confused with other common 5-lug patterns.
- ⚠️ Torque lugs in a star pattern to 80 ft-lbs (108 Nm), then re-check torque after 50-100 km (30-60 miles).
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1999 Mercedes-Benz SL-Class — Frequently Asked Questions
What is the bolt pattern for a 1999 Mercedes-Benz SL-Class?
The 1999 Mercedes-Benz SL-Class uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 66.6mm and the offset is 32mm.
What other years of Mercedes-Benz SL-Class have the same bolt pattern as the 1999?
The Mercedes-Benz SL-Class uses the 5x112 pattern from 1994 through 2015. Wheels from any of these model years are dimensionally compatible with the 1999, provided the offset and center bore also match.
Can I put aftermarket wheels on my 1999 Mercedes-Benz SL-Class?
Absolutely. Just ensure the aftermarket wheels have a 5x112 bolt pattern, an offset near 32mm, and a center bore of at least 66.6mm (using hub rings if larger).
What does 32mm offset mean for the 1999 SL-Class?
An offset of 32mm means the wheel's mounting surface is 32mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Mercedes-Benz.
What is the center bore of a 1999 Mercedes-Benz SL-Class?
The factory center bore (hub bore) for the 1999 Mercedes-Benz SL-Class 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 1999 Mercedes-Benz SL-Class?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1999 SL-Class, the PCD is 5x112.
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