Eastern Direct Fit Catalytic Converter 50355 on 2040-parts.com

Mercedes-Benz reveals first C-class details

Mercedes-Benz has revealed limited details about its new fourth-generation C-class sedan, more than two months before it is due to make its world debut at the Detroit auto show. Although the new BMW 3-series and Audi A4 rival is yet to official unveiled -- in fact, all we have so far are interior renderings -- Mercedes-Benz says the new C-class will be a significantly more advanced car than its predecessor in terms of construction, with a “best in class” weight figure and a level of structural integrity that it describes as being “unparalleled” in its class. Among its features is a new lightweight body structure that uses a newly developed aluminum hybrid construction process that Mercedes-Benz claims will shave as much as 220 pounds over the current model depending on the engine it uses.

They could've had a V8--but more opt for 4

Four is the new six. Four-cylinders have replaced sixes as America's most popular engine choice, powering 43 percent of U.S. light vehicles sold in the first half of this year, according to IHS Automotive.

OnStar to be sold separately

Not sure what to do with those extra Best Buy gift cards left over from the holidays? Consider picking up OnStar as a stocking stuffer for next year. General Motors will sell its safety and communications technology in mirror units available at Best Buy starting in the spring.