Date registered: Feb 2008
Vehicle: 1997 SL600 Brilliant Silver Sport with grey/dark metal interior, 234K miles
Location: Lutz, FL
Mentioned: 9 Post(s)
Quoted: 379 Post(s)
I thought the ECU upgrade was only for the earlier cars, 90-95?
RENNtech hasn't made/offered stuff for our cars FOR A LONG TIME. Some items come up every so often on eBay, but its really rare because the parts were few to begin with AND mind blowingly expensive.
You are about 15 years too late for the party.