I agree that the early w124 DOT lights are crap. In any situation where there a bit of ambient light such as street lights, or any glare from rain or even on-coming cars, you can't even tell if the lights are on except on reflective highway signs. Mine were properly aimed.

I just upgraded to Euro's last month, using 55/60w H4 bulbs, and wow, there is a huge difference. I cheaped out and used a set of reproduction units that you can find on ebay, vs the hellas/bosch and I was satisfied by the fit and the performance.

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1970 280SE Cab
1983 300D Euro 4-speed
past MB's:
1971 280SE 3.5 s/r
1981 300D
1985 300TD
1987 300TD