Bosch wiper blade no. 949S "Aero Twin Techonology" auto part for Mercedes-Benz W211 E240 New E-Class . This technology will decrease aero dynamic drag force and increase operation efficiency . So, wind screen will clear and good vision . So , the aero twin technology is selected for New Mercedes E-Class , C-Class and S-Class .

 

Fits most Mercedes, BMW, Lexus and Audi vehicles.

Bracketless wiper blades, also known as beam blades, are calculated without the metal or plastic brackets, joints or hinges of conventional wiper blades. So snow and ice have nowhere to build up. In addition, the patented design of Bosch Evolution features dual precision-tensioned steel springs that distribute more uniform pressure along the entire length of the blade for exceptional all-weather visibility.