how far past service A can I go
You want to know how long you can defer service? On a Benz? good luck with that-
As long as you want. But you own a MB and they like to be taken care of if you want it to last.
MB generally has service set at 12k or once per year. Those numbers are for a reason. And be sure to do brake fluid and transmission fluid change at the proper intervals. And remember, it doesn't need to be done at an MB dealer - it just needs to be done.
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