So when you put weight in it with the car running the rear doesn't raise up? The fluid should be a light color and should be MB or Febi fluid. What does your car do when you push down on the bumper? If your accumulators are original they certainly are due for replacement.

There is lots of information under the search at the top. Search for SLS and there is plenty of good reading.

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1987 300TD 309, xxx 2.8.2014 10,000 mile OCI


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