The miles may very well be correct, but that is not the original odometer style. The cluster has been changed. This is not unusual for an early 129. Many were replaced because of the intermittent reset problem with the early cluster. (Search this site for the DIY fix if you are suffering from this problem.)

Those wheels are also not the original style for a 91 model. That style was standard for 93. (I like them better than the earlier wheels.)

I wonder what condition the soft top is in. Pictures of that are noticeably missing...

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02 S500
92 500SL
92 400E (Sold)
87 300E (Sold)
83 300D Turbo (Sold)
75 300D (Sold)
74 240D (Sold after 20 years)