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Originally Posted by blueeagle289
Engineers, including computer types, do tend to have a narrow viewpoint -- that their description or solution is the only possible one. They also love to use acronymic terms, partially because they are used to them and sometimes to confuse general management people. In my consulting days, I always told management clients to deal with engineers and computer people the same way they do all others; ask them if they can do a specific thing and how much it will cost in time and money. Actually, anything you can do with paper and pencil can be done by the computer -- but sometimes you may not want to spend that extra high dollar amount to achieve a minor result.
All four of my cars, with minor variation, run 2700 to 2800 rpms at 70 MPH --
on a fairly level interstate highway ... two of them are sixes (the 230S and the ML320) and two are V8's (420SEL and Corvette). I do wonder why a 190E runs at such high rpms at that speed, but am not familiar with the car and engine.
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The 190E has a very underpowered engine compared to of course todays cars. It has high gearing to compensate for low power. Also starts off in second gear and has a very short and almost useless first gear. The Automatic is a 4 speed so without that nice 5th gear that is in the cars you mention it needs to rev that high at highway speed to be able to still move when needed. Plus that rev is right in the middle of the power band at 70MPH. Get a 5 speed stick and you get lower revs and of course better gas mileage. Sorry laymans terms as I am an IT/Engineer. 
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~Jamie
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2003 Pewter C230K SC C1, C4, C5, C7, heated seats, CD Changer, and 6 Speed. ContiExtremes on the C7's.
1986 190E 2.3 Black, Auto, Mods to come soon.....
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