MB used 2 different brands of radiators in the W126 chassis cars, BEHR & IMI. The Behr's did have a reinforced neck by 1991, don't remember if the IMI's did. ONLY BEHR as OE replacement!

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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
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