2018 Mercedes-Benz GLA 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 GLA, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x112 |
|---|---|
| Lug Nut / Bolt Size | B 14x1.50 |
| Center Bore (CB) | 66.5 mm |
| Offset (ET) | 46 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2018 GLA — Year-Specific Fitment Context
The 2018 Mercedes-Benz GLA is in year 3 of 9 using the 5x112 pattern (2016–2024). Wheels from any 2016–2024 Mercedes-Benz GLA are cross-compatible with the 2018 model.
Mercedes-Benz GLA Bolt Pattern by Year
The table below shows how the GLA'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 GLA
The 2018 Mercedes-Benz GLA uses a 5x112 bolt pattern with a 66.5mm center bore. When installing aftermarket wheels, hub-centric rings are mandatory to ensure proper centering and prevent vibration. The factory offset is 46mm; deviations beyond ±5mm may cause rubbing or clearance issues with suspension and brakes. Always verify lug nut compatibility: the GLA requires 14x1.50 thread pitch with ball or cone seats. Using incorrect lug nuts can lead to wheel loosening. For optimal safety, choose wheels that closely match OEM specifications and always test fit before final installation.
Historical Fitment Data Reference
In our dataset, Mercedes-Benz GLA appears from 2016 to 2024 (9 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: 2
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 96.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to maintain proper clamping force.
- ✅ Avoid using universal fit wheels without hub-centric rings; they can cause steering wheel vibration and premature bearing wear.
- ✅ Double-check offset when using wheels from other Mercedes models (e.g., C-Class) as offsets vary; the GLA is sensitive to offset changes.
- ⚠️ 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 GLA — Frequently Asked Questions
What is the bolt pattern for a 2018 Mercedes-Benz GLA?
The 2018 Mercedes-Benz GLA uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 66.5mm and the offset is 46mm.
What other years of Mercedes-Benz GLA have the same bolt pattern as the 2018?
The Mercedes-Benz GLA uses the 5x112 pattern from 2016 through 2024. 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 GLAs use lug bolts or lug nuts?
The 2018 GLA requires B 14x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
How tight should I torque the lug nuts on a 2018 Mercedes-Benz GLA?
Refer to your owner's manual for exact specs, but always tighten the B 14x1.50 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
What lug nut size does the 2018 Mercedes-Benz GLA use?
The 2018 Mercedes-Benz GLA uses B 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
Can I use spacers on my 2018 Mercedes-Benz GLA?
Yes, but ensure the wheel spacers match the 5x112 bolt pattern and 66.5mm center bore. Also verify that you have enough thread engagement for your B 14x1.50 hardware.
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