One problem related to tire tread/belt has been reported for the 2009 Mercedes Benz CLS550. The most recently reported issues are listed below.
The contact owns a 2009 mercedes-benz Cls550 equipped with sentry thunder d7 (na) tires, size: 275/30/r20 (na). The contact stated that the rear tires exhibited thread separation. The dealer determined that it was due to a manufacturer defect. The tires were replaced. The manufacturer was notified of the failure. The VIN was unknown. The failure mileage was approximately 68,000 and the tire failure mileage was approximately 15,000.