the plugs on the 260e had 63k miles on them... i have only had the car for the last 3k.

anyway.. i had some Bosch resistor plugs.... thought i had bought the non-resistor...but they had run out..

bottom line is...i changed them out today while waiting for the oil to suck out..

the car runs fine..

the others were Autolite... the gap was huge...some of the threads had some oil on them...i guess that might be consistent with the need to do valve stem seals.

the plug tips seemed to have a little ash on them...

anyway the cars runs great....

i think the number is HRD9C.... it's the right plug, except for the R.

i still have 6 non-resistors in the shop for the CE

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1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k



1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it


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