2020 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 2020 Mercedes-Benz GLA, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x112 |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 66.6 mm |
| Offset (ET) | 30-50 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2020 GLA — Year-Specific Fitment Context
The 2020 Mercedes-Benz GLA is in year 5 of 9 using the 5x112 pattern (2016–2024). Wheels from any 2016–2024 Mercedes-Benz GLA are cross-compatible with the 2020 model.
Mercedes-Benz GLA Bolt Pattern by Year
The table below shows how the GLA's wheel specifications have changed over the years. The 2020 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 2020 Mercedes-Benz GLA
For your 2020 Mercedes-Benz GLA, the bolt pattern is 5x112 with a critical center bore of 66.6mm. Aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibrations and ensure proper load distribution. The offset range is 30-50mm; staying within this range maintains suspension geometry and prevents rubbing. Always use lug nuts with the correct thread pitch (14x1.5) and seat type—Mercedes typically uses ball seats, but aftermarket wheels may require conical or flat seats. Mismatched lug nuts can cause wheel loosening or damage. Verify fitment with a test fit before mounting tires.
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 ensure proper seating.
- ✅ Avoid using universal fit wheels without hub-centric rings; vibrations indicate improper centering.
- ✅ Check brake caliper clearance when using wheels with lower offset (closer to 30mm) as they may contact the caliper.
- ⚠️ Confirm bolt pattern carefully. 5x112 is often confused with other common 5-lug patterns.
- ⚠️ This fitment uses a wide offset range. Check brake clearance and fender clearance before buying wheels.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
Ready to upgrade or perform maintenance?
🛒 Shop Tools & Accessories on AmazonAs an Amazon Associate, I earn from qualifying purchases.
2020 Mercedes-Benz GLA — Frequently Asked Questions
What is the bolt pattern for a 2020 Mercedes-Benz GLA?
The 2020 Mercedes-Benz GLA uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 66.6mm and the offset is 30-50mm.
What other years of Mercedes-Benz GLA have the same bolt pattern as the 2020?
The Mercedes-Benz GLA uses the 5x112 pattern from 2016 through 2024. Wheels from any of these model years are dimensionally compatible with the 2020, provided the offset and center bore also match.
Do 2020 Mercedes-Benz GLAs use lug bolts or lug nuts?
The 2020 GLA requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
How do I measure the bolt pattern on my 2020 Mercedes-Benz?
The 2020 GLA 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.
Why is matching the 66.6mm center bore important for the 2020 GLA?
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 PCD for a 2020 Mercedes-Benz GLA?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2020 GLA, the PCD is 5x112.
Need more vehicle fitment data?
Access our complete, raw JSON/CSV database of over 11,000+ vehicles for your next app or project.
Get the Full Dataset