Mercedes C300 Bolt Pattern: The Short Answer
The Mercedes C300 bolt pattern measures 5×112 across the W204, W205, and W206 generations in the United States from 2008 through 2026. That consistent PCD makes the first filter simple, yet wheel size and offset ranges change by chassis. This guide organizes verified C300 specifications by generation and gives distributors, retailers, and owners a practical method for selecting replacement and aftermarket wheels.
| US model years | Chassis | Bolt pattern | Center bore |
|---|---|---|---|
| 2008-2014 | W204 | 5×112 | 66.6 mm |
| 2015-2021 | W205 | 5×112 | 66.6 mm |
| 2022-2026 | W206 | 5×112 | 66.6 mm |
Mercedes C300 Wheel Fitment Specs by Generation
The table summarizes verified US C300 records. SIZE and ET show the span across cited factory configurations, not one universal setup for every trim. A staggered package can place a wider wheel with a different offset at the rear axle.
| Model / US years | SIZE | PCD | ET | CB | Typical vehicles |
|---|---|---|---|---|---|
| C300 W204 2008-2014 | 16-18 in 7-8.5J | 5×112 | ET43-58 | 66.6 mm | C300 sedan C300 4MATIC |
| C300 W205 2015-2021 | 17-20 in 7-8.5J | 5×112 | ET40-56.5 | 66.6 mm | C300 sedan C300 4MATIC |
| C300 W206 2022-2026 | 17-20 in 7-9J | 5×112 | ET40-58.2 | 66.6 mm | C300 sedan C300 4MATIC |
W204 C300: 2008-2014
The W204 starts the US C300 timeline in this guide. Verified C300 records show 16-, 17-, and 18-inch factory combinations with widths from 7J through 8.5J. The cited ET values run from 43 through 58. A verified 2010 record includes 7Jx16 ET43, 7.5Jx17 ET47, and staggered 18-inch combinations with wider rear wheels.
W205 C300: 2015-2021
The W205 keeps the 5×112 PCD and 66.6 mm hub measurement, while its verified C300 records expand the factory diameter range from 17 through 20 inches. Listed examples include 7Jx17 ET48.5, 7.5Jx18 ET44, 7.5Jx19 ET44, and 7.5Jx20 ET40, plus wider rear applications with higher ET values.
W206 C300: 2022-2026
US W206 C300 and C300 4MATIC records retain 5×112 and a 66.6 mm hub measurement. Verified configurations span 17 through 20 inches. Examples include 7Jx17 ET44.5, 7.5Jx18 ET40, 7.5Jx19 near ET40, and 8Jx20 ET40, with wider rear wheels reaching 9J and ET values near 58.
How to Read the 5×112 Mercedes Lug Pattern
The 5×112 Mercedes lug pattern places five mounting holes on a 112 mm pitch circle. Catalogs also use Mercedes wheel pattern and Mercedes wheel bolt pattern for this same measurement. The number confirms the lug circle only. A 5×112 wheel from another Mercedes model can still miss the C300 width, hub, brake, load, and mounting-hardware requirements.
The Complete Mercedes C300 Fitment Checklist
Use this sequence when screening a C300 request. It keeps the vehicle record, wheel drawing, and intended use connected throughout the decision.
- Vehicle identity: record the US model year, W204/W205/W206 chassis, drive system, trim, VIN, and factory wheel label.
- PCD: require 5×112. A 5×114.3 wheel does not share the same mounting circle.
- SIZE: match diameter and width to a documented configuration for the exact chassis and package.
- ET and width: calculate inner suspension space and outer body position as one geometry check.
- Center bore: use the 66.6 mm hub reference and a suitable centering solution when the wheel bore runs larger.
- Brake clearance: compare the wheel drawing with the exact caliper template. Diameter alone cannot confirm spoke and barrel space.
- Tire and load: maintain a suitable rolling diameter, tire load index, wheel load capacity, full-lock space, and suspension travel.
- Lug bolts: match thread, seat profile, length, and engagement to the vehicle and wheel. Source conflict makes a year-specific hardware check essential.
Choosing Mercedes C300 Rims by Driving Goal
17-Inch Daily Replacement Direction
Verified records across the three chassis families include 17-inch configurations. Buyers who prioritize ride cushioning, tire availability, and daily use can begin with 17 inch alloy wheels, then narrow the shortlist through the exact factory label and checklist above.
18-Inch Balanced Street Direction
An 18-inch setup appears in verified W204, W205, and W206 C300 data. This diameter can balance steering response, visual presence, and practical tire sidewall. Compare 18 inch alloy wheels only after identifying the correct front and rear dimensions for the vehicle package.
19-Inch Appearance and Performance Direction
Verified W205 and W206 records include 19-inch staggered combinations. The shorter sidewall can sharpen steering response, while the wider rear wheel changes tire selection and wheel position. Review 19 inch alloy wheels against the exact chassis package before approving a design.
After classifying the chassis, buyers can compare wheels for Mercedes-Benz with broader Mercedes aftermarket wheels by construction, finish, and supply program.
Real-World Mercedes C300 Wheel Selection Scenarios
The largest available diameter does not define the best C300 setup. Chassis data and vehicle use should direct the shortlist. These examples show the decision process without turning one configuration into universal advice.
W204 Daily Replacement
A W204 daily driver can stay near a documented 17-inch combination to preserve practical tire sidewall and familiar road behavior. The buyer should identify the exact factory front and rear package first, then select a cast replacement wheel within that geometry. This approach also simplifies tire sourcing for retail and service inventory.
W205 Street Upgrade
A W205 owner seeking a stronger street appearance can evaluate an 18-inch configuration within the verified generation range. A staggered package needs separate front and rear SKU records because width and ET change by axle. The supplier should compare the wheel drawing with the vehicle package before confirming tire sizes.
W206 Premium Performance Brief
A W206 performance brief can start from a documented 19-inch setup when the vehicle package supports that diameter. Buyers seeking lower wheel mass can evaluate forged monoblock wheels. The final drawing still needs the exact front and rear widths, ET values, hub geometry, brake space, and load target.
Common Mercedes C300 Wheel Fitment Mistakes
Most C300 fitment problems start when a buyer treats one matching number as complete compatibility. The table links each frequent mistake to its practical consequence and a clearer purchasing check.
| Mistake | Likely result | Better check |
|---|---|---|
| Selecting by 5×112 alone | Incorrect wheel position | Identify chassis and compare the factory size family |
| Treating 5×114.3 as a close match | Unsafe mounting | Use the exact 5×112 PCD |
| Ignoring front and rear differences | Tire mismatch and clearance loss | Record each axle specification |
| Skipping hub centering | Vibration at speed | Match the 66.6 mm hub requirement |
| Reusing unsuitable lug bolts | Weak clamping | Match thread, seat, length, and engagement |
| Choosing diameter by appearance | Brake and body contact | Check the drawing against the vehicle package |
Assuming Every 5×112 Mercedes Wheel Fits
The shared Mercedes bolt pattern can hide major differences in wheel position and brake shape. A wheel may attach to the hub yet place the tire too close to surrounding vehicle components. Assign the chassis and vehicle package before allocating a 5×112 SKU.
Mixing 5×112 With 5×114.3
The two patterns differ by 2.3 mm across the pitch circle. Their five-lug appearance does not create compatibility. A forced installation prevents the bolts from producing even clamp force at the intended seating points. Use the exact 5×112 drilling instead of wobble hardware, redrilling, and visual approximation.
Ignoring Staggered Front and Rear Packages
Many C300 factory records pair a narrower front wheel with a wider rear wheel. Copying one axle specification across the vehicle can change tire diameter relationships, body space, and handling behavior. Record each axle separately, especially when the quotation covers 4MATIC, larger diameters, and performance packages.
Distributor Inventory Advice for C300 Wheels
A C300 inventory record should start with a W204/W205/W206 chassis field instead of a single 5×112 bucket. Add the drive system, factory front and rear wheel labels, brake package, and intended use to every quotation request. This structure helps purchasing teams separate true C300 applications from visually similar Mercedes C-Class wheels and reduces avoidable returns.
A verified KIPARDO wheel example for the 2022 C300 AMG Line is KP25080422. It’s a forged monoblock design in 18×8.0 and 18×9.0, a 5×112 PCD, ET40 and ET45, and a 750 kg wheel rating. Distributors can use this staggered pair as a quotation starting point, then assign each axle only after comparing the wheel drawing with the vehicle’s factory label and brake template.
Sources and Verification
- Wheel-Size.com W204 C300 record – US C300 wheel, PCD, hub, and ET examples
- Wheel-Size.com W205 US data – US C300 generation and factory fitment records
- Wheel-Size.com W206 US data – US C300 and C300 4MATIC factory fitment records
- SD Wheel C-Class fitment guide – generation timeline and secondary cross-check
The cited US-market records control the ranges in this guide. Vehicle VIN data, the current wheel label, Mercedes service information, and wheel supplier application records should govern final installation approval.
Final Thoughts
The Mercedes C300 keeps 5×112 across three US generations, yet each chassis positions the wheel through a different factory size and offset range. A generation-led fitment check protects inventory accuracy and preserves clearance and handling. At KIPARDO, we help wheel businesses evaluate C300 applications. Send us the model year, chassis, drive system, current wheel label, brake package, target size, and load requirement to request a fitment review before placing an order.
Frequently Asked Questions
What Is the Mercedes C300 Bolt Pattern?
The Mercedes C300 bolt pattern measures 5×112 across the US W204, W205, and W206 generations covered in this guide. Five lug holes sit on a 112 mm pitch circle. Buyers still need the chassis because factory diameter, width, and ET ranges change between generations and packages. The model name plus PCD cannot approve a wheel by itself.
