On my 1994 Mercedes E320 wagon, I am at the last brake hose new replacement for the right rear wheel before breeding the brakes. I am having a difficult time to connect the brake line (With inside clip) to the brake hose. Although the end of the brake hose is screwed on the caliper first, it seems there is not enough wriggle room to connect the brake line to the brake hose at the top. This particular hose (metal bar?) is in the way for me to get to connecting the brake line to the brake hose. What is that particular hose or metal bar tube of some sort that is in the way (circled in red color)? Is that part of the frame and cannot be remove? Can that be remove safely so I can have more wriggle room to connect the brake line to the brake hose? See the picture below circled in red color.

If I screwing the connection on the top brake hose to the brake line first, it would have no screwing or turning the nut on the brake line to the brake caliper wthout twisting the brake hose in the process. Any suggestions, comments, advice or feedback is greatly appreciated. Thanks to all for reading this post.

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