One morning last week the glow plug light didn"t come on and the 240 struggled to start. I plugged it in the rest of the week without much trouble. Today I tested the glow plugs and found that number 2 was infinite resistance. So I changed it and everything is back to normal.

Normally I change all 4 when the light goes out. I guess PEH has another convert...don't change all of the light bulbs in your house when one burns out!!

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1976 240D
1987 560SL
2007 E320 Bluetec
1998 C280 (now son’s car)
1982 240D Manual - Sold