There is a good difference wbetwen the chrome bolt on grill frame of the pre 1994 cars, and the newer design of the 1994-1995 cars.

The changes from what I know are as follows:
Hood and grill
Headlights
Taillight lenses
Chrome handle on trunk
Impact strip on rear bumper goes almost allt he way tot he rear wheels
Front bumper impact strip is smoother and color matched to lower trim.
Different wheels
Different naming I.E. E320/E420/E500 vs 300E/400E/500E

Other than that, some minor interior changes may have been done, but probably not noticable, but there is a big noticable difference between the look of a 1994 model fornt and a pre 1994 model front.

I like them both as long as they have euros.

Alon

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'92 300CE - Sold
2004 C240 - 744 - C7 Wheels - Android Radio
2002 C320 - 816 - Sport Wagon - Sold
2006 E350 Wagon - 368 - Dead
2015 GL350 Bluetec - 197U