2004 Mercedes CLK-Class Owner's Manual - Page 200

Controls in detail Audio system Only use original CDs. Using copied CDs may create problems during playback. Clean CDs from time to time with a commercially available cleaning cloth. Do not use solvents, anti-static sprays, etc. for cleaning. Replace the CD in its case after use. Protect CDs from heat and direct sunlight. Your CD drive has been designed to play CDs which correspond to the EN 60908 standard. If you insert thicker data carriers, e.g. ones that have data on both sides (one side with DVD data, the other side with audio data), they cannot be ejected and will damage the drive. Operational readiness of CD changer If a CD changer has been installed in the system, it can be operated from the front control panel of the radio. A loaded magazine must be installed to play CDs. Loading/unloading the CD magazine Slide changer door to the right and press eject button g. The magazine will be ejected. Warning! G Only use CDs, which bear the label shown and that conform to the compact disc digital audio standard (IEC 60908). You can therefore only use CDs with a maximum thickness of 1.3 mm. i Use of CDs which do not meet this standard may cause damage to the CD changer. Do not play single-CDs (80 mm) with an adapter. The CD changer* is a Class 1 laser product. There is a danger of invisible laser radiation if the cover is opened or damaged. Do not remove the cover. The CD changer* does not contain any parts which can be serviced by the user. For safety reasons, have any service work which may be necessary performed only by qualified personnel. 200