2006 Mercedes C-Class Owner's Manual - Page 296

Operation At the gas station Replace fuel cap by turning it clockwise until it audibly engages. Close fuel filler flap. Check regularly and before a long trip Coolant For normal replenishing, use water (potable water quality). For more information, see "Coolant level" ( page 301) and see "Fuels, coolants, lubricants, etc." ( page 440). Brake fluid i Leaving the engine running and the fuel cap open can cause the yellow fuel tank reserve warning lamp to flash and the ú malfunction indicator lamp (USA only) or the ± malfunction indicator lamp (Canada only) to illuminate. For more information, see "Practical hints" ( page 352) and ( page 353). ! 1 Coolant 2 Brake fluid (fuse box cover removed) 3 Windshield washer and headlamp cleaning system* If you find that the brake fluid in the brake fluid reservoir has fallen to the minimum mark or below, have the brake system checked for brake pad thickness and leaks immediately. Notify an authorized Mercedes-Benz Center immediately. Do not add brake fluid as this will not solve the problem. For more information, see "Practical hints" ( page 351). Removing fuse box cover ( page 422). i Opening the hood, see ( page 297). 295