Mercedes-Benz C-Class Bolt Pattern, Wheel & Tire Sizes
TL;DR
5x112 bolt pattern and roughly 66.6 mm center bore carried through all five sedan generations, but the wheel bolt thread size changed from M12x1.5 (W202, W203) to M14x1.5 (W204, W205, W206) - always confirm your own car's placard before buying bolts or wheels.
Bolt pattern and center bore by generation
Mercedes uses wheel bolts (not lug nuts on studs) across the C-Class range, and the 5x112 pattern with a 66.6 mm center bore has been used since the W202. What did change is the bolt thread: earlier cars use a shorter M12x1.5 bolt, while the W204 onward uses a longer M14x1.5 bolt with a different ball-seat radius. The two are not interchangeable - fitting the wrong bolt can seat incorrectly and loosen over time.
Wheel and tire sizes
Factory wheel diameters grew over time, from 15-16 inch steel or alloy wheels on the W202 up to 17-20 inch alloys on AMG-line W206 models. Tire sizes are staggered on sportier trims (narrower front, wider rear) and vary by wheel diameter and engine, so the exact size for your car is best read from the tire sidewall or the door-jamb placard rather than assumed from the generation alone.
Data table
| Generation / years | Bolt pattern | Centre bore | Bolt thread | Stock wheel sizes | Common tire sizes |
|---|---|---|---|---|---|
| W202 (1993-2000) | 5x112 | ~66.6 mm | M12x1.5 | 15x6.5 to 17x8 in (varies by trim) | Varies by trim - check tire sidewall or door placard |
| W203 (2000-2007) | 5x112 | ~66.6 mm | M12x1.5 | 16-17 in, offsets roughly +31 to +37 mm | Varies by trim - check tire sidewall or door placard |
| W204 (2007-2014) | 5x112 | ~66.6 mm | M14x1.5 | 16x7 to 19x8.5 in | Ranges from 205/60R16 up to 225/40R19 depending on trim |
| W205 (2014-2021) | 5x112 | 66.5-66.6 mm (sources vary slightly) | M14x1.5 | 16x7.5 to 20x9 in | 205/60R16, 225/55R16, 225/50R17, 225/45R18, 245/40R18, 225/40R19, 245/35R19, 225/35R20, 255/30R20 (staggered on AMG trims) |
| W206 (2022-present) | 5x112 | ~66.6 mm | M14x1.5 | 17x7.5 to 20x9.5 in | 225/50R17 and 225/45R18 confirmed on base trims; wider staggered sizes on AMG - verify on placard |
Torque and where to double-check
Where sources gave a figure, wheel bolt torque on W204/W205-era cars is commonly cited around 130 Nm (96 ft-lb), but Mercedes varies this by wheel type (steel vs alloy) and model year, so treat it as a starting point, not a substitute for your owner's manual.
Always verify on your own vehicle
Bolt patterns, center bores, and thread sizes can vary by market, engine, and mid-cycle facelift even within one generation code. Before buying wheels, bolts, or tires, confirm the exact specification for your specific car using:
- The driver's door placard (inside the door jamb)
- The owner's manual or the manufacturer's official wheel and tire fitment guide
- The markings stamped on your current wheels and tire sidewalls
- A dealer parts department, which can look up the exact original-equipment wheel for your VIN
Summary
| Bolt pattern (all generations) | 5x112 |
|---|---|
| Center bore | ~66.6 mm (verify per car) |
| Bolt thread - W202/W203 (1993-2007) | M12x1.5 |
| Bolt thread - W204/W205/W206 (2007-present) | M14x1.5 |
| Factory wheel diameter range | 15-20 inches depending on generation and trim |
| Wheel bolt torque (W204/W205, typical) | ~130 Nm / 96 ft-lb (confirm in owner's manual) |
| Authoritative source for your car | Driver's door placard and owner's manual |
Full diagnostics
For the complete step-by-step diagnostic and repair guide, see Mercedes-Benz C-Class: Common Problems, Fault Codes & Repairs.
Frequently asked questions
Is the bolt pattern the same on every C-Class generation?
Yes, 5x112 has been used from the W202 (1993) through the current W206, so wheels of the correct offset and center bore will physically bolt up across generations. However the bolt thread size is not the same throughout - see the next question.
Can I use W203 wheel bolts on a W204 or newer C-Class?
No. The W202 and W203 use M12x1.5 wheel bolts while the W204 onward uses M14x1.5 bolts with a different ball-seat radius. Mixing them is unsafe because the bolt can seat incorrectly and fail to stay torqued; always use bolts matched to your specific generation.
What center bore do I need for aftermarket wheels?
Most sources put the factory center bore at 66.6 mm across the C-Class range (one database lists 66.5 mm for some W205 configurations, essentially the same). Aftermarket wheels with a larger bore should use hub-centric rings to take up the gap; never assume the bore without checking the wheel's spec sheet against your car.
Where can I find the exact wheel and tire size for my specific C-Class?
Check the placard on the driver's door jamb, which lists the factory-recommended tire size and pressure for your exact trim, or read the size stamped on the sidewall of your current tires. These are more reliable than any general guide because factory fitment varies by engine, trim, and market.