2003 Mercedes C-Class Owner's Manual - Page 234

Operation At the gas station i Use only premium unleaded gasoline with a minimum Posted Octane Rating of 91 (average of 96 RON/86 MON). Information on gasoline quality can normally be found on the fuel pump. More information on gasoline can be found in the Factory Approved Service Products pamphlet. Flexible Fuel Vehicles (MY 2003 Mercedes-Benz C 320 models, except those equipped with manual transmission or 4MATIC*): More information on Flexible Fuel Vehicles can be found in the "Technical data" section ( page 334). Check regularly and before a long trip Engine oil level More information on engine oil can be found in the "Operation" section ( page 236). Opening hood ( page 235). Coolant For normal replenishing, use water (potable water quality). More information on coolant can be found in the "Operation" section ( page 238). Vehicle lighting Check function and cleanliness. For more information on replacing light bulbs, see the "Practical hints" section ( page 290). Exterior lamp switch ( page 101). Tire inflation pressure More information on tire inflation pressure can be found in the "Operation" section ( page 243). i Leaving the engine running and the fuel cap open can cause the ? lamp to illuminate. See also "Practical hints" section ( page 259). 1 Coolant level More information on the coolant level can be found in the "Operation" section ( page 238). 2 Brake fluid (fuse box cover removed) More information on brake fluid can be found in the "Technical data" section ( page 332). Removing fuse box cover ( page 312). 3 Windshield washer and headlamp cleaning system* For more information on refilling the reservoir, see the "Operation" section ( page 241). 234