It ensures Chrysler 300 3.0 stop lights system work properly. In brake lamp company installed 27/7 W capacity bulbs with the base of W2.5x16q. Actually Chrysler installed quite optimal light bulbs on cars with 5.7 type of motor. In every 2008 model year vehicle with M664 motor it lights up when you push brakes. Standard electrical feature of 12 V is needed for any 300 lamp. You can’t drive your Chrysler 300 with badly working stop lamps.
Be careful at buying any other lamp for 300 6.1 than recommended by Chrysler. The max capacity for 3.5 motor cars with model number 3.5CSP should be 27/7 W. When purchasing light bulbs for 2010 year vehicle don’t take other base than W2.5x16q and look at voltage – it has to be 12 V. Installing in 2009 Chrysler 300 other lamps will cause damage to electrical system.