well, i finally got to replace some glow plugs today....i only replaced two of them before i ran out of daylight, but that did the trick....the car started up just fine after i jumped it off, ran the battery down trying to crank it the other day....

i noticed something wierd though....before, and ever since ive had this car, the glow plug light in the dash would come on for about 2-3 seconds and then go out....ive never trusted this as proof my glow plugs were warmed, so i usually just wait about 15-20 seconds and then turn it over...but now, since i replaced two of the plugs, the light doesnt come on at all....even after its running.....what could make the light not come on at all after i replaced 2 plugs? should i go ahead and replace the other 3 and see if that does anything? or could there be something wrong with the relay?

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1985 300SD 192,000miles...Astral silver/ Grey MbTex

1983 300D 194,000miles...White/Tan MbTex...my newest addiction