my car looks like absolute *******

Took my car (which i was selling to a client) to sparkling reds mall to sort out dents, scratches and some spray work. left the car there they gave me a quote that we agreed upon for work to be completed within 2 weeks. the guy there at the time named Martin assured me that my vehicle would come out very beautiful. They started work on the car. every time i go to sparkling to view the progress, i see that they miss some things, and every time Martin is apologetic and says he will rectify. anyway 3 weeks go by, my car is not even close to being completed, you can see they started taking short cuts. theres some chips and scratches that they looked like they were being touched up with a marker. the car started looking horrible. all of a sudden the guy working on the car named Martin leaves the company and now theres a new guy. now they blaming everything on Martin saying he did the bad job and now they also want to charge me extra for extra work done. they also told my client (whom i was selling the car to) that the vehicle was involved in a major accident (have necessary evidence to proof vehicle was not in a major accident). needless to say the client cancelled the deal and i was left to pay a bill for a vehicle that looked a million times worse going in then coming out. theres wavy lines on the bumper, lines on the door, the bonnet keeps on saying bonnet open when its closed, the bonnet is bend in ways unimaginable. and they still want to claim extra money??? please if anyone wants to see my vehicle you are more then welcome, it looks like *******, i urge you don't send your car to these guys. i will be taking this further as i have lost a client due to their false accusations on the vehicle as well as the money they made me spend on this sh*t job. i can't believe how ******* is their work, for such a well known brand. owners/management also have a don't car attitude. even when i went to pay for this horrible job, i found that the wheel of my car clamped with a chain wrapped around the chassis ( have pictures as proof). this was only done on my car and no 1 elses.

oh yes and to add further insult to injury. when i went in to pay, their were 2 people ahead of me of whom paid with card. they paid, received their invoices and received their vehicles. when it was my turn to pay, i paid with my card as well. i waited another 30 mins after that, and then the manager comes to me saying that sorry i can only collect my vehicle tomorrow because they need my funds to reflect in their account. what type of ************** is that????? whats the difference between my card and the other clients card??? so they clamped my vehicle ,scratching it as well, i shouldn't be surprised because they messed up the whole car anyway, and i must still be discriminated against? this will be taken further, all evidence available if necessary.