2000 Mercedes CL-Class Owner's Manual - Page 290

Leaving the engine running and the fuel cap open can cause the "CHECK ENGINE" lamp to illuminate, see page 290 for notes on the "CHECK ENGINE" lamp. Fuel tank capacity approx. 23.2 US gal (88.0 l). This includes approx. 2.9 US gal (11.0 l) reserve. Use premium unleaded gasoline: CL 500, CL 55 AMG: Posted Octane Index 91 (Average of 96 RON/86 MON). CL 600: Posted Octane Index 93 (Average of 98 RON/88 MON). Engine oil Checking oil level, see instructions on pages 154 and 331. CL 500 and CL 55 AMG only: Fill quantity between upper and lower dipstick marking level: 2.1 US qt (2.0 l). Recommended engine oils, see Approved Service Products sheet. Coolant For normal replenishing, use water (potable water quality). For further information refer to page 333. What you should know at the gas station Instruments and controls Operation Driving 285 Instrument cluster display Practical hints Car care Technical data Index