So this is what I was so shocked to discover during my inspection of Blue Flame. Initially I thought I was seeing things and didn't really believe it. But a closer look confirmed my suspicions. I suspect it's been caused by driving (or being towed) with collapsed hydraulic suspension, or by towing something largish. After having a look at some W116 tow bar designs and their mounting points I don't believe the W116 was designed with towing in mind. The only way I can see that the cracks...