Lost or broken the key fob for your Chrysler 300? This is a brand new replacement smart remote from Extra-Partss. It's designed for the 2012, 2013, and 2014 Chrysler 300 models, and it's a match for part number M3N-40821302 (seller's MPN is eps5842). It comes in a sleek black finish and even has the batteries pre-installed. Here's the important part: this is a blank fob. It will NOT work right out of the box. You'll need to take it to a Chrysler dealer or a qualified locksmith to have it professionally programmed to your specific car. They will also need to cut the physical emergency key blade if your fob has one. Once that's done, you'll have full keyless entry functionality back. It's a much cheaper option than going through the dealership for the whole unit. Just be sure to budget for the programming service. Get back to unlocking your car with the click of a button!