here is a good one for a bmw dealer (will remain nameless) bloke had mini in for a service one day to do work.
went to collect and was told needed parts so would be three - four days and couldn't be driven on road till then so off he went.
next day his mate who delivers parts goes to bmw garage and sees his car with roof with a big dent in it like someone had jumped on it so
sneakily took some pictures and informed mate about seeing his car with reg plate on.
anyway four days later he gets call to say car will be ready to collect so goes to collect and there is his car all shiny and looking as it did when he dropped it
off! he checks car and asks if everything is ok with it, yep all is done and thank you of course no mention of roof being repaired!
so he asked for manager to have a chat, brings pictures out and says explain that, they denied it was his car and it could never of happened!!
anyway long story short he took them to court and got a brand new mini with upgrades free. total tosspots they were about it too.
mercedes tried the same with me car with less than 14k miles and three weeks out of warranty and steering rack started to knock, took it in and said needed
new steering rack and suspension lower arms!! i rang merc uk to ask if they thought this was acceptable for such a low milage car to have all these parts fail
to which the reply was "its out of warranty so nothing we can do"
as you can imagine i told them what i thought of them! sold the car and would never buy a merc again total crap even mates near new merc sl needed a shed load of parts
as all sorts went wrong cost a fortune he too sold it and has gone off mercs and there build quality.