Appears to be a recent replacement. Not new buy teeth are not rusty and hardly any wear. You an also see the motor was spliced in. So you will have to splice your wiring. Check out Kent’s video if you need instructions on how to install.
Fits all 116 Chassis 350SE 450SE 450SEL 280S 280SE 300SD 1973 to 1980 including 6.9
W116 Driver Side FRONT Window Regulator MOTOR ONLY - USED