Mercedes-Benz S550 Questions

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It grind it shakes

What seems to make the problem better or worse? hot or cold
How long have you had this problem? a few weeks
front right side is squeaking, sound system stop working
What seems to make the problem better or worse? when im driving over bumpy road
Freon level is adequate ,ambient temperature sensor and in cabin filter has been replaced,problem persists
Problem is intermittent. I installed a new battery afterwards and problems are the same. Sometimes everything works, then none of them work. Windshield wipers and turn signals also don't work.
does this model have one or two batteries? If it has two, where is the Main Battery located
How restore data back onto mercedes benz s550.
my radiator fan run high all the time when I turn on my a/c. It sounds like jet plane taking off and I want know if this is normal. It also runs high when I turn on the heater. Any suggestions. I have no codes
it is oil leak and the oil decrease
I've noticed for the last 2 weeks that the engine sound louder especially when the car in P mode
I noticed today by left rear wheel undercarriage soaked in fuel.
I went to the shop and they said the diagnosis machine said my amp is bad? Could it be the wires connected to it? Before I spend a lot of money buying a new one is there a cheaper option?
It starts to open and then it closes right back.
I recently changed the radiator and to remove the radiator you had to remove the attached condenser. the condenser freon had to be let out so it needed to be recharged. during recharging the AC off was hit to test out the heat. And now when i press AC on it will not come on.
Dealer says needs new engine. How probable is workmanship error in disassembling and replacing balance shaft in causing this problem?
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