Hi, Here are some pics from the Bosch platnium plugs out of my 300SE. They have about 80,000 miles on them and the engine has about 195,000 miles. The order from left to right is 1 - #6 Cyl.
I replaced them with non-plat. plugs as they were recommended on this site.

Thnks,
Dan

Attached Thumbnails

 

__________________
1969 RS/SS Camaro Conv. L-89 Alum. Head 396 375HP 4-spd

1987 GNX #419, 2002 RX300

FS: 1934 Ford Street Rod, Blown 383 $48,500 Firm

http://banners.wunderground.com/bann.../worcester.gif