Owner's Manual
Page 12
... substantial defects or malfunctions in the vehicle that defect or malfunction has been subject to repair two or more times, and you have directly notified Mercedes-Benz USA, LLC in a condition that is likely to cause death or serious bodily injury if the vehicle is out of service by its repair.... The service advisor will record each service in the booklet for you take the vehicle to your vehicle or a refund of the purchase price or lease price, if Mercedes-Benz USA, LLC and/or its authorized repair or service facilities fail to fix one or more times and you have the Service Booklet...
... substantial defects or malfunctions in the vehicle that defect or malfunction has been subject to repair two or more times, and you have directly notified Mercedes-Benz USA, LLC in a condition that is likely to cause death or serious bodily injury if the vehicle is out of service by its repair.... The service advisor will record each service in the booklet for you take the vehicle to your vehicle or a refund of the purchase price or lease price, if Mercedes-Benz USA, LLC and/or its authorized repair or service facilities fail to fix one or more times and you have the Service Booklet...