In the run-up to her 2014 departure, Mercedes was involved in feuds with. The boyfriend of Lucy Tyler was surprised when she and her stepmom turned up in. The boyfriend of Lucy Tyler was surprised when she and her stepmom turned up in. In the run-up to her 2014 departure, Mercedes was involved in feuds with. Tyler is a fictional character from the British Channel 4 soap opera, Hollyoaks.