2113200825 Mercedes Benz E Class W211 Air Bag Suspension Rear Air Spring Repair Bag Our rear air spring repair bellow 2113200825 is a reliable aftermarket replacement component engineered specifically for the original rear air suspension system of Mercedes-Benz E-Class W211 rear-wheel-drive chassis. After years of operation, factory rear air springs on Mercedes W211 RWD models commonly develop rubber aging, cracking and gradual air leakage. These failures lead to rear-end