Nice picture there, on the official MB website, but can you spot what's wrong?
https://mercedes-benz-publicarchive.com/marsClassic/en/instance/picture/Mercedes-Benz-Motor-M-110.xhtml?oid=109510
There are some things missing, such as the distributor cap cover. But I also see the lack of blue high tension leads.....they're black. I've also never seen a black painted standard transmission. I've always seen them in a light greeish grey color.
That's nice if you like bling, but it ranks pretty poorly for originality. Most of the aluminium appears polished, most of the hardware appears clear passivated instead of yellow passivated. No. Just no.
That's pretty typical of these display examples. They're all dolled up to look pretty. The M100 cutaway is similar too. Not reference material.
Tim