Horrible horrible horrible service Vw Hatfield bryanston

My car has a mechanical problem which I reported to Hatfield vw bryanston a month ago. I then took my car for a fix to them and the car was with them for two weeks. On the 10th of April I was told that my car is ready and fixed and I was happy to even pay what they charged me. However when I got home the problem still persist. I went back within 72hours and reported my matter to the manager by the name of Gary and he assured me that Monday my car will be fixed. Monday I didn't receive any call from the mechanic or the manager. I then decided to call again I spoke to Morne which he is also a senior manager. Meaning no the can assist me. My question why did you have to charge me and lie to me and say my problem is solved where you know that nothing was done. Are you even recognized by vw. How can you fail to fix your own brand. You really ****ing my love for vw because you selling brand but can't fix or provide us with support when one needs it. Funny enough you call yourself number 1in service but you can't just deliver a simple customer feedback.... I mean the basic. Walk the talk and stop miss leading us if only I knew