The rear oval reverse light look (left side picture) corresponds to ALL models made prior to the W210 facelift on 2000.

All post-facelift models (2000 on) have the straight line directional/reverse light line look (right side picture).

Hence, a 1999 E 320 will have the oval reverse light look.

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A. Rosich
CL 500, 1998
S 500 L, 1998
E 320 T, 1995 [Sadly sold ]