Marvelicious, I looked at the Westach gauges several years ago but the color choices at that time weren't as good as perhaps they are now. I'll have to look again. I agree it's the only way to stuff more functions into the available space.
Scott, although I've read many posts of overheating 603s, my diesel seems to be very well cooled. My EGT probe is located at the point in the trap cat recall pipe (does it have a name?) where the EGR valve used to be connected. The location of the probe, just before the turbo, might affect the temperature. I've never had an opportunity to drive the car up a steep mountain so the EGT has never exceeded 850ºF.
1980SD, the laminate is similar to what Mercedes uses. The purpose of the aluminum (so I have read) is to prevent the wood from splintering in an accident. Here's a picture, taken from the back seat (don't try this while driving

). Pardon the cheapo radio, it's what came with the car. I have a factory Becker with CD changer from a 1994 E430 waiting to replace it.
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"Buster" in the '95
Our all-Diesel family
1996 E300D (W210) . .338,000 miles
Wife's car
2005 E320 CDI . . 113,000 miles
My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970