2003 Mercedes-Benz CLK-Class Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2003 Mercedes-Benz CLK-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) | 37 |
| Torque Specs | 80 ft-lbs (108 Nm) |
2003 CLK-Class — Year-Specific Fitment Context
The 2003 Mercedes-Benz CLK-Class is in year 6 of 12 using the 5x112 pattern (1998–2009). Wheels from any 1998–2009 Mercedes-Benz CLK-Class are cross-compatible with the 2003 model.
Mercedes-Benz CLK-Class Bolt Pattern by Year
The table below shows how the CLK-Class's wheel specifications have changed over the years. The 2003 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 2003 Mercedes-Benz CLK-Class
For your 2003 Mercedes-Benz CLK-Class, the 5x112 bolt pattern is shared across 1998–2009 models, ensuring cross-compatibility. The 66.6mm center bore is critical: aftermarket wheels often have a larger bore (e.g., 73.1mm), requiring hub-centric rings to prevent vibration and ensure proper load transfer. Offset is sensitive; the factory 37mm offset is optimal. Deviating more than ±5mm may cause rubbing or clearance issues. Always use the correct lug nuts: B 12x1.50 thread pitch with ball seats (Mercedes-specific). Conical seat lugs can damage the wheel. Re-torque after 50 miles of driving.
Historical Fitment Data Reference
In our dataset, Mercedes-Benz CLK-Class appears from 1998 to 2009 (12 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 to 110 Nm (81 lb-ft) after 50 miles of driving.
- ✅ Use only ball-seat lug nuts; conical seats will not fit properly and can loosen.
- ✅ Verify wheel clearance with the brake calipers and suspension components before final installation.
- ⚠️ 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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2003 Mercedes-Benz CLK-Class — Frequently Asked Questions
What is the bolt pattern for a 2003 Mercedes-Benz CLK-Class?
The 2003 Mercedes-Benz CLK-Class uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 66.6mm and the offset is 37mm.
What other years of Mercedes-Benz CLK-Class have the same bolt pattern as the 2003?
The Mercedes-Benz CLK-Class uses the 5x112 pattern from 1998 through 2009. Wheels from any of these model years are dimensionally compatible with the 2003, provided the offset and center bore also match.
Why is matching the 66.6mm center bore important for the 2003 CLK-Class?
The 66.6mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
What is the center bore of a 2003 Mercedes-Benz CLK-Class?
The factory center bore (hub bore) for the 2003 Mercedes-Benz CLK-Class is 66.6mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Will wheels from another Mercedes-Benz fit my 2003 CLK-Class?
Only if they share the exact same 5x112 bolt pattern, a compatible offset, and a center bore equal to or larger than 66.6mm.
How do I measure the bolt pattern on my 2003 Mercedes-Benz?
The 2003 CLK-Class uses a 5x112 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
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