According to a recent announcement by the National Highway Traffic Safety Administration, Mercedes-Benz is recalling 432 SL-Class cars in the United States.

The recall is being issued because the air conditioner refrigerant line could rupture, increasing the risk of the car catching on fire after an accident. The affected vehicles were built from December 19, 2011 through May 31, 2012.

"A rupture of a refrigerant line will result in a gaseous mixture of refrigerant being released into the engine compartment,"  said NHTSA in its summary of the problem. "The testing determined that the escaping R1234yf refrigerant may ignite under specific conditions."

The summary added that the the resulting fire could spread to additional combustible materials.

Daimler, Mercedes' parent company, discovered the problem while they were testing the vehicles and notified the NHTSA of the problem. The automaker is letting owners know this month about the recall and will replace the refrigerant and lines at dealerships free of charge.

This recall serves as a good reminder for any motorist to have their belts & hoses inspected by a local service shop, especially with the fall driving season underway and colder weather rapidly approaching.