Rear left manual window regulator for Mercedes-Benz w123/c123 COUPE models only. Cleaned, greased, and in great working order. Very rare and hard to find part for 280CE and 300CD. Complete the crank windows conversion for your pillarless c123 coupe and never worry about failed electric windows again...Please refer to photos and part number to make sure this will fit your vehicle! I am not responsible if you order the wrong part.