ISO (Insurance Services Office) ratings are used by insurance companies to assess the risk associated with insuring specific vehicle models. The ISO rating for a 2004 Mercedes-Benz S-Class may vary depending on factors such as the vehicle’s safety features, performance, theft rates, and repair costs. However, specific ISO ratings for individual vehicle models may not be readily available to the public. Insurance companies typically have their own internal rating systems that consider various factors when determining premiums. To get accurate information about the rating and associated insurance costs for a 2004 Mercedes-Benz S-Class.