One problem related to engine cooling system has been reported for the 2004 Mercedes Benz S600. The most recently reported issues are listed below.
The contact owns a 2004 Mercedes Benz S600. The contact noticed smoke underneath the hood. The vehicle was taken to the dealer who stated the active body control failed and caused the hydraulic fluid to leak. The manufacturer was notified and advised the contact that the vehicle was not included in NHTSA campaign id number: 07v263000, engine and engine cooling. The vehicle was not repaired. The failure and the current mileage was 72,000.