I think the point has been missed. The car was made to be worked on by Mercedes Trained Mechanics. For the DIY types seeing something different should send you looking for a source of accurate information on it; doing things blindly base on experience on other Cars can get you into trouble.

The power steering adjusment bolt is a case in point. On mine a Hose nearly competetly covers over the adjustment bolt and even harder to see wiith it full of gunk around the Bolt. The Manual showed me where to look for it.

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84 300D, 82 Volvo 244Gl Diesel