One problem related to electrical system has been reported for the 2007 Mercedes Benz CLS550. The most recently reported issues are listed below.
The contact owns a 2007 Mercedes Benz s550. The contact stated that while the vehicle was parked, black smoke emitted from under the hood and within seconds, the vehicle was completely destroyed by the fire. The fire department was called and advised that the fire appeared to be electrical. The vehicle was destroyed. The manufacturer was not made aware of the failure. The failure and the current mileage was 57,000.