I swear I am getting incompetent in my old age or maybe I should say more incompetent. I'm in the middle of doing a B service on my E300D which I have done probably fifteen times before with no issues. I can't believe the problems I'm having this time. I can't start the car after changing the fuel filters. I had lots of problems resetting the maintenance due indicator. My pressure bleeder for bleeding the brakes isn't working and now this one.

I was removing all the tires to check tread depth, brake pads and rotors. All went well until I hit the last tire. I generally hate to bother with that helper pin that screws in to help guide the tire into place. But in this last tire I just couldn't get the tire lined up right, so I used it and the darn thing will not now unscrew. I only screwed it in hand tight, but not even pliers will get it to come out. What are some simple options I've got?

Thanks.

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__________________
Len
'59 220S Cabriolet-SOLD and living happily in Malta
'83 240D 351,500 miles original owner-SOLD
'88 560SL 41,000 miles - totaled and parted out
https://sites.google.com/site/mercedesstuff/home
'99 E300 turbo 227,500 miles
'03 SLK320 40,000 miles - gave to my daughter
'14 Smart electric coupe 28,500 miles
'14 Smart electric cabriolet 28,500 miles
'15 Smart electric coupe 28,000 miles