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2010 Mercedes-Benz C300 tire sizes & fitment

Approved tire and wheel sizes for the 2010 Mercedes-Benz C300, sourced from manufacturer fitment data and refreshed monthly.

Approved fitments

Tire size Rim size PCD (bolt pattern) Offset Load index Speed rating
225/45R17 OEM R17 N/A N/A N/A N/A
245/40R17 OEM R17 N/A N/A N/A N/A
225/40R18 OEM R18 N/A N/A N/A N/A
255/35R18 OEM R18 N/A N/A N/A N/A

Best by use case

Four tires, four jobs

Best all-season

Bridgestone

Turanza QuietTrack

all-season touring, UTQG 800, 80,000-mi warranty

Best budget

Goodyear

Assurance MaxLife

Lowest cost per mile in this size; UTQG 820

Best quiet

Bridgestone

Turanza QuietTrack

68 dB cabin noise (EU label); quietest in this size

Best winter

Bridgestone

Blizzak WS90

Dedicated winter (premium compound); ice/snow grip

See the best tires for the Mercedes-Benz C300, ranked by category →

Tire recalls & safety complaints for the Mercedes-Benz C300 →

Plus-size and winter-downsize options for every Mercedes-Benz C300 factory size →

Compatible alternative sizes for 225/45R17

Sizes within the ETRTO ±3% overall-diameter safe-fit tolerance. Each row links to the size's own page.

Alternative size%Δ ODCategoryVerdict
195/65R15 0.03% alternative Safe
215/35R19 -0.19% plus 2 Safe
255/30R19 0.20% plus 2 Safe
255/35R18 0.22% plus 1 Safe
255/40R17 0.24% wider Safe

For the full list of alternatives with comfort/handling impact, see 225/45R17 upsize options. To check an arbitrary size pair, use the tire compatibility calculator.

Check a different size against this vehicle

Type any tire size below; we'll compute its overall-diameter delta against the OEM 225/45R17 and verdict using the ETRTO ±3% rule.

Common upgrade paths

Use the plus-size calculator to evaluate any rim step against the OEM size.

How to choose tires for the 2010 mercedes-benz C300

The 2010 Mercedes-Benz C300 ships from the factory on 225/45R17 tires mounted on R17 wheels. 4 approved fitments are documented for this model year, allowing some flexibility between performance, comfort, and winter compounds. The Compatible alternative sizes table above lists every safe substitution within the ETRTO ±3% overall-diameter tolerance.

Tire choice on the Mercedes-Benz C300 comes down to three trade-offs that matter more than brand loyalty: load index (must equal or exceed the OEM number), speed rating (must match or exceed the placard), and UTQG treadwear (higher means longer life, lower usually means stickier rubber). Owners replacing factory tires with the same compound class, for example all-season for all-season, generally see no change in ride characteristics or fuel economy. Switching categories (performance summer to all-season touring, for example) is where the trade-offs show up at the contact patch.

For 2010 Mercedes-Benz C300 owners considering a plus-size upgrade, the safer option is a Plus-1 step (one rim size up with a 10-point aspect drop and ~10 mm of additional section width). Plus-2 is technically viable on this chassis if the alternative-sizes table lists a Plus-2 candidate within tolerance, but expect a meaningful ride-harshness penalty and a tire-cost premium of 30–60% per tire relative to the OEM fitment. For winter use the recommended pattern is one width step down (e.g. from a 235 to a 225) with the aspect ratio bumped up to preserve overall diameter; narrower tires apply higher contact pressure per square inch on snow, which translates directly into shorter braking distances. The plus-size calculator evaluates any specific rim step against this OEM size.

Before purchasing, verify the tire size on the driver-door placard of your specific 2010 Mercedes-Benz C300, since trim levels and option packages can shift the original fitment from what is documented here. The placard reading is the authoritative source per FMVSS 110, and dealers will reference the placard rather than aftermarket catalogs when validating warranty claims.

NHTSA-reported issues for 2010 mercedes-benz C300

1
Complaints
0
Crashes
0
Injuries
0
Deaths

Top issue category: Tires (General)

Reported across: 2010 – 2010 (1 year)

What owners described

Blowout or sudden deflation is the most common description, in 27% of these reports. Percentages are shares of the 11 reports covering every model year of the Mercedes-Benz C300 that include a written account; a single report can describe more than one problem, so they do not total 100%.

Reported problemThis subjectAll tire complaintsRelative
Blowout or sudden deflation 27% 20% 1.4×
Bubble or bulge in the tire 27% 6% 4.6×
Sidewall failure 18% 15% 1.2×
Pressure-monitoring (TPMS) fault 18% 2% 7.6×
Cracking or dry rot 9% 9% 1.0×
Loss of control, rollover or collision 9% 8% 1.1×

Mileage at failure

8 of these reports state an odometer reading. The middle report is at 17,150 miles, with 8 in 10 falling between 3,000 and 176,000 miles.

In owners' own words

Verbatim excerpts from complaints filed with NHTSA about Mercedes-Benz C300. Reports are published by NHTSA as filed and are lightly cleaned here only to remove intake codes.

I HAVE A MERCEDES BENZ C300 WITH 16,300 MILES ON IT. THE VEHICLE CAME WITH CONTINENTAL, CONTIPRO, 225/45 R17 91H TIRES ON IT TWO TIRES ON THE LEFT SIDE OF THE CAR HAVE DEVELOPED BUBBLES ON THEM AND WILL HAVE TO BE REPLACED. THE TIRES ON THE RIGHT SIDE WILL HAVE TO BE INSPECTED SINCE THEY MAY HAVE BUBBLES ON THE INSIDE. I HAVE JUST READ MANY COMPLAINS ABOUT THESE TIRES AND FEEL THEY ARE DANGEROUS AND SHOULD BE RECALLED.

NHTSA complaint 1048022 · 2012 vehicle

THE CONTACT OWNS A 2013 MERCEDES BENZ C300 EQUIPPED WITH CONTINENTAL CONTI PRO CONTACT TIRES, SIZE: 225/45R17. THE CONTACT NOTICED THAT ALL OF THE TIRES EXHIBITED BUBBLES ON THE SIDEWALLS. THE DEALER STATED THAT THE TIRES NEEDED TO BE REPLACED. THE TIRES WERE REPLACED MULTIPLE TIMES WITH THE SAME TIRES, BUT THE FAILURE PERSISTED. THE TIRES WERE REPLACED TEN TIMES WITHIN 18 MONTHS. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE DOT NUMBER WAS UNKNOWN. THE APPROXIMATE TIRE AND VEHICLE FAILURE MILEAGE WAS 3,000. UPDATED 09/11/15*LJ UPDATED 10/30/2017

NHTSA complaint 1193704 · 2013 vehicle

THE CONTACT OWNS A 2011 MERCEDES-BENZ C300. THE VEHICLE WAS EQUIPPED WITH CAPITOL SPORT UHP (NA) TIRES, SIZE 245/40RI7 (NA), MODEL: F40247034. WHILE OPERATING THE VEHICLE, THE TIRE PRESSURE MONITORING SYSTEM SENSOR REMAINED ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE FAILURE WAS CAUSED BY MULTIBLE CRACKS LOCATED ON THE OUTER WALL OF THE FRONT PASSENGER AND DRIVER SIDE TIRES THAT ALLOWED AIR TO LEAK OUT. THE FAILURES WERE NOT REMEDIED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURES. THE VIN AND VEHICLE FAILURE MILEAGE WERE UNKNOWN. THE TIRE FAILURE MILEAGE WAS 18,000.

NHTSA complaint 1373602 · 2011 vehicle

THE CONTACT OWNS A 2016 MERCEDES-BENZ C300 EQUIPPED WITH CONTINENTAL CONTACT SSR (NA) TIRES, SIZE: 225/45/18 (NA). WHILE DRIVING 30 MPH, THE SIDEWALL FAILED ON THE FRONT PASSENGER SIDE TIRE. THE CONTACT HAD THE TIRE REPLACED. THE CONTACT CALLED CONTINENTAL TIRES ABOUT THE FAILURE AND WAS INFORMED THAT THEY WERE ALREADY AWARE. A FEW MONTHS LATER, THE FRONT DRIVER'S SIDE TIRE EXHIBITED THE SAME FAILURE. CONTINENTAL TIRES WAS CONTACTED ABOUT THE SECOND FAILURE, BUT DID NOT REPLACE THE TIRE. THE DOT NUMBER WAS NOT AVAILABLE. THE TIRE AND VEHICLE FAILURE MILEAGE WAS 26,000.

NHTSA complaint 1442717 · 2016 vehicle

Complaints are voluntarily submitted to the NHTSA Office of Defects Investigation and are not verified by NHTSA; they represent owner-reported problems, not proven defects. Counts can be useful as a relative quality signal across comparable tires or vehicles.

Frequently asked questions

What size tires fit a 2010 Mercedes-Benz C300?
The OEM tire size for the 2010 Mercedes-Benz C300 is 225/45R17 mounted on R17 wheels.. Trim levels and option packages can shift the original fitment; confirm against your specific vehicle's driver-door placard before purchase.
Can I run a different tire size on my 2010 Mercedes-Benz C300?
Plus-sizing (larger rim, lower aspect) is possible within ±3% of the OEM overall diameter per the ETRTO safe-fit standard. The Compatible alternative sizes table on this page lists every safe option for the OEM size. Always confirm with the manufacturer or a qualified tire shop before deviating from the placard.
Where can I buy tires for my 2010 Mercedes-Benz C300?
Online tire retailers in our affiliate network carry every size documented for this vehicle. Use the Shop online buttons above to compare prices across them; variance of $20–$40 per tire is common between merchants. The <a href="/tools/tire-install-cost-calculator/">install cost calculator</a> estimates the out-the-door including mount, balance, TPMS, and disposal by state.
What is the recommended tire pressure for the 2010 Mercedes-Benz C300?
The cold-inflation pressure is printed on the driver-door placard of your specific vehicle and varies by trim, tire size, and loaded vs unloaded condition. Typical OEM front and rear pressures fall between 30 and 36 psi for passenger trims and 32–40 psi for SUV/truck variants, but the placard is the authoritative source.
Can I fit winter tires in a different size on my 2010 Mercedes-Benz C300?
Yes; the standard winter-tire fitment pattern is one width step narrower than OEM (e.g. 225 → 215) with the aspect ratio bumped up to preserve overall diameter. Narrower tires increase contact pressure on snow for better traction. The Compatible alternative sizes table includes any winter-friendly options that fall within ±3% OD for this vehicle.
How often should I rotate the tires on my 2010 Mercedes-Benz C300?
Every 5,000–7,500 miles is the typical OEM recommendation for passenger vehicles. AWD vehicles and high-torque trucks benefit from the shorter interval. Documented rotation history is also a tire-warranty prerequisite; most manufacturer treadwear claims require rotation receipts at the warranty inspection.

For broader tire questions; replacement timing, UTQG, EV-specific tires, winter swaps; see the tire FAQ.

Sources for this page

  1. Vehicle owner's manual tire & wheel placard; door-jamb placard on the Mercedes-Benz C300 is the authoritative source for OEM tire size, load index, and cold-inflation pressure for your specific trim.
  2. NHTSA SaferCar; recall lookup for the 2010 Mercedes-Benz C300.
  3. ETRTO 2024 Standards Manual §2.3; overall-diameter math used for the alternative-size verdicts above.
  4. Tire & Rim Association 2025 Yearbook; load-index to maximum-load reference.

Last verified 2026-10-07.