The window winder mechanism rear left for Mercedes S Class w222 2013 onwards New Product.
The window winder mechanism (or window regulator mechanism) does not include the electric motor. For the assembly it is necessary to use the existing motor on the car. In most cases is only the mechanism that damages, often for wear, while the electric motor is functioning (ve ne notice if clicking buttons internal window you can hear the noise of operation.
Product of competition (aftermarket), of equal quality to the original and homologated. For mounting it is always advisable to consult a qualified staff.
N.B. The image of the insertion is indicative of the product sold. In the case both provided the choice of the right or left side, refer to what is written in the description.