In 1996 the US government extended the EMISSION warranty to 8 years or 80,000 miles, the bad news is that very few parts are now covered. The fuel computer & catalyst are 2 of the few number. ALMOST no sensors are covered!

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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)
Retired Moderator