I am a newbie here and I own a R-350 2010 Model bought new. My R is costing me a lot lately and the recent Issue is the Right Rear is ducked down and would not regain its own height after I start the car. Spoke to dealership where I get all my service and repairs done says that it could be a Air Suspension Issue. I would like to take the car to a trusted mechanic than the dealership moving forward, Can someone point me a reliable mechanic in Metro West Boston Area please?


The problem could be the level sensor for the rear. Also check to see if you hear the suspension air compressor engage when you start the car. Do you know if your R class has air susp. front and back? 


I don't know the Boston area but what I would do is have the dealer diagnose the problem or a mechanic with star diagnostic. Then buy the air suspension component online at a fraction of dealer prices. 


Find a mechanic that works on MB to install it. Note that some will not install parts that you bought but you can surly find someone who will. 


The air compressor kicks in when i start the car for few secs. The air suspension is only on the rear side for my R350. I have an diagnosis appointment on this Thursday and wil let you know more on what they say. Any parts shop that you can mention to buy parts?


So I currently have a R500 which has air in the front as well, that's why I was asking. 

Have you considered converting the back from air springs to coil springs?  It's an easy DIY and almost any mechanic can do. You will need springs that will fit and the tool to compress the MB rear springs. 

You can even do it yourself if you have the spring tool and basic DIY experience. 


Just an idea. 




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