Generally, would a mechanic be liable for damage to a car if a) it was still in their care and they had the keys in their possession and b) the car was not parked on their property but in public parking bays adjacent to their building? We recently took a car we have sold to the mechanic for a RWC before we hand it over to the new owner and when we picked it up the front grille/badge had been ripped off the car. It seems it was done between the time my partner dropped it off (parked in public parking bay because no parking left inside mechanic's property) and when they brought the car inside their workshop to do the RWC. They claim that when they brought it in they noticed the grille was missing but didn't mention this to us. The car was kept overnight locked up in their property and then put back into the public parking bays the following day. The mechanic was not very helpful and didn't offer us anything. This is very disappointing as I now have to tell the person who bought the car that it has been damaged and now take time and extra expense to source and fit a replacement grille. What are my options? Do I seek compensation from the mechanic?