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Two things you can do (which I can think of) to eliminate the transmission as the culprit: When you pull the dipstick, if you smell the transmission fluid and it doesn't smell burnt (there's a DISTINCT difference when it is burnt) and is a nice cherry color as you've already stated, it should be in good shape. On the radiator, there are two small hard lines ...


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In addition to the carb gaskets, double check the rubber intake boots for cracks that can open and close as the engine vacuum changes, causing occasional lean running, making the RPM increase. A cheap diagnostic is to warm up the engine, then when the idle is hunting like that run a garden hose or other smooth stream of water over each gasket and rubber ...


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This should shed some light on the mysterious stop/start function. We bought a 2019 GLC 300 we thought the stop start wasn't functioning correct. We took it to the dealer, battery was good everything was operating correct . They added a new software. When we left it worked twice then stop working. I stayed thinking about the problem. I decided that the AC ...


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