MB had an emission recall on the Trap Oxidizers about 4 years ago, after all of the cars were at least 10 years old. MB installed under chassis catalyst instead of the original that was under hood. They have the same basic function.
ANY fuel conditioner that has small traces of any "heavy" metal(ie;lead, or copper) will damage either STYLE.
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)