1998 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 1998 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) |
1998 CLK-Class — Year-Specific Fitment Context
The 1998 model year marks the beginning of the Mercedes-Benz CLK-Class's 5x112 bolt pattern era, which continued through 2009 (12 consecutive years). Wheels from any 1998–2009 Mercedes-Benz CLK-Class are cross-compatible with the 1998 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 1998 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 1998 Mercedes-Benz CLK-Class
For your 1998 Mercedes-Benz CLK-Class, the 5x112 bolt pattern is shared with 1998–2009 models, ensuring cross-compatibility. However, 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 transfer. The 37mm offset is sensitive; deviations beyond ±5mm may cause rubbing or clearance issues. Always verify lug nut thread pitch (12x1.50) and seat type—Mercedes uses ball seats, not conical. Using incorrect lug nuts can lead to wheel loosening. For safety, re-torque after 50-100 miles and avoid spacers without extended studs.
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
- ✅ Always use hub-centric rings (66.6mm to wheel bore) for aftermarket wheels to prevent vibration.
- ✅ Re-torque lug nuts to 110 Nm (81 lb-ft) after 50-100 miles of driving.
- ✅ Avoid using conical seat lug nuts on Mercedes ball-seat wheels; they can cause wheel damage and loosening.
- ⚠️ 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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1998 Mercedes-Benz CLK-Class — Frequently Asked Questions
What is the bolt pattern for a 1998 Mercedes-Benz CLK-Class?
The 1998 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 1998?
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 1998, provided the offset and center bore also match.
Why is matching the 66.6mm center bore important for the 1998 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.
How tight should I torque the lug nuts on a 1998 Mercedes-Benz CLK-Class?
Refer to your owner's manual for exact specs, but always tighten the B 12x1.50 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Can I put aftermarket wheels on my 1998 Mercedes-Benz CLK-Class?
Absolutely. Just ensure the aftermarket wheels have a 5x112 bolt pattern, an offset near 37mm, and a center bore of at least 66.6mm (using hub rings if larger).
What does 37mm offset mean for the 1998 CLK-Class?
An offset of 37mm means the wheel's mounting surface is 37mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Mercedes-Benz.
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