Officers are appealing for witnesses and information following a possible doorstep fraud in Lower Dicker, Hailsham.
It follows a report from a vehicle owner of men purchasing a vehicle for sale, but tampering with the vehicle in order to obtain a lower price.
The incident happened at about 9pm on May 14, with a group of three men involved.
They were all aged in their 20s and were all dressed in black.
Police have released images of the men they wish to speak with in connection with this incident, and to sellers to be vigilant to any possible scams.
Anyone who recognises them, or anyone with information, is asked to report it to Sussex Police online, quoting serial 132 of 16/05.