AO Service
06-18-2020, 12:22 PM
#1
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Location: Fulshear, Texas
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2017 S550
AO Service
I got a pop up message indicating AO Service due in 21 days. I have only 25,000 miles on my '17 S550. I know A is a simple oil and filter change.....what does AO include? I saw one Internet site says it includes transmission fluid change. Do I really need new fluid at 25,000 miles. This is my fifth Benz and have never had this message before.
06-18-2020, 02:13 PM
#2
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Join Date: Jul 2003
Location: North Scottsdale, AZ
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'71 Pinto
Don't see it being more than an oil change and checks. BTW 222 should be posting here: https://mbworld.org/forums/s-class-w222-178/
06-18-2020, 03:34 PM
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2017 S550
Sorry about the posting....ironically, I phoned customer care at MBZ and they told me they have no information on what the services include. I find it disturbing that someone paying for a car like this cannot get a straight and true answer on what the service includes from Mercedes. I called the dealer and they told me it is an A service with fluid check and service.....for $320. Don't mind spending the money IF I know what I am getting before hand. I just had new pads at 22,000 miles which I found a little earlier than my previous cars, but this is a heavy car and I know it takes more stopping power to come to a stop. I love the car, and again expect to pay to maintain, but just surprised at some of the little things coming along. Had never heard of AO service since I bought my first Mercedes in 1978.
