door check.

you'll need to remove the unit completely to regrease it and that may not work either. there are two large ball bearings which provide a detent at door open and closed, they wear a groove in the casing and can jam at inopportune moments, I had to rush to the supermarket once to assist my wife who couldn't get the drivers door shut.

if this happens, and its your lucky day, a firm shove will release the bearing and close the door. beware, this will work one time only so don't get cocky and think you've fixed it. i did and opened the door again to see if it worked. had to strip off the door panel and remove the door check in the car park. not a good look.

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1987 300e manual 250,000 km (sold)