The 5.7-liter V-8 engine and a five-speed automatic transmission came standard on Chrysler's 2006 300C base model. Chrysler recommends using SAE 5W-20 in the 5.7-liter engine for all environmental temperature ranges, even in extreme cold. Find oil viscosity information embossed on the engine oil filler cap located on the driver's side of center in the engine compartment.
Chrysler recommends using oil that meets the requirements of DaimlerChrysler Material Standard MS-6395 and is certified by the American Petroleum Institute. You may opt to use synthetic oil as long as it meets the recommended specifications. When changing the oil on the 5.7-liter engine in your 300C, always change the filter and refill with 7 quarts of oil.
