You're wasting your money aligning it before installing suspension parts. Every 126 that I've looked at has had worn parts because there is over 100,000 mi on the suspension. You'll get that Mercedes handling if you refurbish the front end.

I've had several that "could be aligned" but followed the road crown way more than when new. Refurb fixed that. There are lots of threads with pics and destructions.

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85SD 240K & stopped counting painted, putting bac together. 84SD 180,000. sold to a neighbor and member here but I forget his handle. The 84 is much improved from when I had it. 85TD beginning to repair to DD status. Lots of stuff to do.