2007 Mercedes-Benz S550 Questions

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Hello, Bought an s550 2007 model today, when I had been driven it for about 5 hours it started to whine, the noise is constant and is following the rpm (can barely hear it on 1k rpm) and when the noise gets louder (yo...
the wash was o.k. no water went inside the engine and i did not open the hood
In morning first start fine after driving for bit and shut it off then you have to wait 30 min to start. Dealer said bad ground in ecu
Seems that the AC will freeze up on a road trip after 3 to 4 hours drive time. Shut it off, defrosts itself and good to go again for a while. Local Mercedes dealer's service department has "never had that problem be...
engine is not smooth when cold, exhaust from engine is loud and throaty when cold, once car is fully warm, car runs smooth and quiet.
I can be driving and all of a sudden air is completely off with no sound at all,then it will go back on every so often.Could it eve the blower?,or a bad circuit,help,lol
Seems like Computer has to reset itself everytime i restart the car. Car drops down all resets are lost, interior light dont stay on etc. and check engine light is on had it check the code had something to do with b...
My 2007 S550 has just turned 37,000 miles and is going to require an oil change. Are all synthetic oils the same? What company provides the best synthetic oil change offer in this area?
My Transmission works and run perfectly but, it has a loud noise and I tough it may be the Torque Converter but I after replace it, still hear the noise. I was told that some internal bearing it need to be replace but...
where is fuel filter located
It blinks, sometimes ,but stops when car is in park.
I have a 2007 Mercedes-Benz S550 with 57000 miles. Do I need to replace the spark plug.?
Car is ahaking(vibrating) just started about a week ago, it has new tires new brakes new rotors and it has had an alignment. Could it be the recall ball joints the car has about 50,000 miles. We are on vacation about...
42,000 miles with no prior ac issues other than blower motor failure at 40,000 miles. On recent trip, the airflow diminished to barely detectable after 2.5 hours of a road trip with both thermostats on auto at 77 and...