2012 Mercedes-Benz R-Class Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2012 Mercedes-Benz R-Class, 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) | 55 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2012 R-Class — Year-Specific Fitment Context
The 2012 model year is the final year of the Mercedes-Benz R-Class's 5x112 bolt pattern run (since 2006). Wheels from any 2006–2012 Mercedes-Benz R-Class are cross-compatible with the 2012 model.
Mercedes-Benz R-Class Bolt Pattern by Year
The table below shows how the R-Class's wheel specifications have changed over the years. The 2012 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 2012 Mercedes-Benz R-Class
When selecting wheels for your 2012 Mercedes-Benz R-Class, the 5x112 bolt pattern is shared with many Mercedes models, but critical fitment details differ. The center bore must be 66.6mm; aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. The factory offset is 55mm; deviations beyond ±5mm may cause rubbing on suspension or bodywork. Always use lug nuts with the correct thread pitch (14x1.50) and seat type—Mercedes typically uses ball seats, but some aftermarket wheels require conical seats. Mismatched lug nuts can lead to wheel loosening. Verify all specifications before installation.
Historical Fitment Data Reference
In our dataset, Mercedes-Benz R-Class appears from 2006 to 2012 (7 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: 1
- Observed total offset span across years: 0.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to maintain clamping force.
- ✅ Avoid using universal fit wheels without hub-centric rings; the 66.6mm bore is essential for hub-centric fitment.
- ✅ Check offset carefully: a lower offset (e.g., 45mm) may push wheels outward, causing fender rubbing on this model.
- ⚠️ 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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2012 Mercedes-Benz R-Class — Frequently Asked Questions
What is the bolt pattern for a 2012 Mercedes-Benz R-Class?
The 2012 Mercedes-Benz R-Class uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 66.6mm and the offset is 55mm.
What other years of Mercedes-Benz R-Class have the same bolt pattern as the 2012?
The Mercedes-Benz R-Class uses the 5x112 pattern from 2006 through 2012. Wheels from any of these model years are dimensionally compatible with the 2012, provided the offset and center bore also match.
What lug nut size does the 2012 Mercedes-Benz R-Class use?
The 2012 Mercedes-Benz R-Class uses B 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
Can I put aftermarket wheels on my 2012 Mercedes-Benz R-Class?
Absolutely. Just ensure the aftermarket wheels have a 5x112 bolt pattern, an offset near 55mm, and a center bore of at least 66.6mm (using hub rings if larger).
What is the PCD for a 2012 Mercedes-Benz R-Class?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2012 R-Class, the PCD is 5x112.
What does 55mm offset mean for the 2012 R-Class?
An offset of 55mm means the wheel's mounting surface is 55mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Mercedes-Benz.
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