Bad experience on 2 occasions

<p>Took my car for service in Mercedes Benz Bryanston at exactly 06:30 am also told them the other things that are faulty on my car, the spent the whole day servicing my car and finally at excatly 18:05 pm the car was ready ,the service was done but the other faulty things wasn't done and I was told that they report those faulty to the head office and they are waiting for authorazation as per one or the agent ,then I was promise they will have an answer within a week then 3 weeks past then nothing happened not even an update for the dealer and my car started giving me a problem if don't drive it a day the battery goes dead ,so Mercedes Benz 24hr assist came and assist me at home , I can confirm that they were quick in response it only took them 25 minutes from the time I called , anyway they said to me I must book it in for battery test ,so I went back to the Bryanston brunch booked it in ,then the same Friday i took the car in at 06:45 am at around 12:00 pm they called me and said they found a fault and they are replacing the battery ,so at 17:00pm I came back and they told me that they couldn't test the battery because the system was down and as I'm typing this 17:41pm and I'm still waiting for my car that nothing is done on my car the whole day ,the other faulty things that I reported last week,those things hasn't been done aswell I was told the car it's out of Trim warranty and that I have to pay ,I don't even know that does that mean ..to be continued </p>