2007 Jeep Grand Cherokee Owner's Manual - Page 364

364 MAINTAINING YOUR VEHICLE Material Standard MS-6395. Use Mopar or an equivalent oil meeting the specification MS-6395. Engine Oil Selection - Diesel Engines For best performance and maximum protection for all engines under all types of operating conditions, the manufacturer recommends engine oils that are API Certified and meet the requirements of DaimlerChrysler Material Standard MS-11106 or Mercedes Benz MB 229.51 and ACEA C3 qualified engine oils American Petroleum Institute (API) Engine Oil Identification Symbol This symbol means that the oil has been certified by the American Petroleum Institute (API). The manufacturer only recommends API Certified engine oils that meet the requirements of DaimlerChrysler Material Standard MS-6395. Use Mopar or an equivalent oil meeting the specification MS-6395. Engine Oil Viscosity (3.7L/4.7L/5.7L Engines) SAE 5W-20 engine oil is recommended for all operating temperatures. This engine oil improves low temperature starting and vehicle fuel economy. Your engine oil filler cap also shows the recommended engine oil viscosity for your vehicle.