Vehicle Questions and Answers
Welcome to the Vehicle Q&A Hub. Find answers to your automotive questions, share your experiences, and get expert advice on vehicle maintenance, troubleshooting, and more!
701 views
2 answers
In 2009, the Mercedes-Benz C300 uses a M14 X1.5 lug nut with a 17-millimeter hex head size. When putting on the lug nuts, it's important to make sure the tapered end is facing towards the rim. If the lug nuts are not installed correctly, it could harm the wheel and potentially cause it to come off the car, leading to a severe accident or even a fatality. Each wheel of the C300 has five lug nuts and follows an A5 X12-millimeter wheel bolt pattern. To properly install the lug nuts, start by hand tightening them and then proceed to tighten every other lug nut in a crisscross pattern until they reach 100-foot pounds of torque. Once the lug nuts are in place, it's essential to check that they are all securely tightened after driving around 20 miles.
The size of lug nuts for the 2009 Mercedes C300 is specified as follows: Thread size is M14 x 1.5, hex size is 17mm, and shank length is 28mm.