Hi,
We just bought a 1999 E300.The car is blue over beige MB-Tex.I have a few questions.The glow plug light turns off allowing me to start the car normally,then after a few seconds the glow plug light comes back on.The car runs fine.What could this be?

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1998 S500
2006 E320 CDI
1963 220S
1994 S500
1995 S500
2005 BMW 545i sport
2007 GL320 CDI
2007 ML320 CDI
1991 Toyota Previa White over Blue
2000 Lexus RX300 White over Beige
2008 Audi Q7 Black Opal over Grey
1993 Toyota T-100 Silver over Grey
2002 Chevy 2500 Express White over Grey

It must indicate a fault. I'm sure someone will chime in.

All 1999 diesels have leather inserts, FWIW.

Enjoy the car, they're great machines - - one of DBAG's finest

It's probably a bad relay. Do the plugs come on? Does the lamp go out once the plugs shut off?

Hi,
Yes the glow plugs go on,then go off allowing me to start the car.After the car is on,after a few seconds,the glow plug light comes back on.

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1998 S500
2006 E320 CDI
1963 220S
1994 S500
1995 S500
2005 BMW 545i sport
2007 GL320 CDI
2007 ML320 CDI
1991 Toyota Previa White over Blue
2000 Lexus RX300 White over Beige
2008 Audi Q7 Black Opal over Grey
1993 Toyota T-100 Silver over Grey
2002 Chevy 2500 Express White over Grey

Just take a minute with a meter to verify it is just the light coming back on and not the glow plugs as well.

Check the resistance on all the plugs ,since i have 1 bad one the light comes on for a short time after the engine is running. It is explained in my owners manual that is an indication of a fault in the system,was my first tip off that i had a bad plug. My $.02 Don

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Red Green "This is only temporary,Unless it works!"

97 E300D 157000 miles
87 300TD ?141k? miles

Indicates a fault with one or more glow plugs, or associated circuitry.

Drive to Bryan, OH and I will teach how to do everything that requires the removal of the intake manifold on a 606. Fuel o-rings. fuel lines, glow plugs, muffler bearings (changing tires is about the only thing that does not require removal of the intake) I can remove a W210 turbo intake in less than twenty minutes....

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Current:
1985 300D aka Miss Margaret
1991 300SE aka Alarice
1995 SL320 aka Samantha
1997 K1500 Silverado
Past:
1999 E300 ex-wife got it and let her son ruin it
1984 190 2.3 ex-wife got it and let her son destroy a great car
1985 300D (CA version) aka Maybelline lost to deer at high speed.
1981 300D aka Madeline (went to salvage at near 400k) rusty, yet best car I ever drove
Wishlist:
McFarlan TV6 (only a few privately owned)
ReVere with Rochester engine
1917 Premier (only one left)

Now that's a nice offer there......

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Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John

On my 97 e300 it indicated a weak glow plug(s). They had been in for over 60k when I bought the car, had the manifold off for intake cleaning so I replaced them all and the issue went away.

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Dennis
2006 E320 CDI Black/Black Leather. Nav, HTD Seats HK stereo 32000 miles.
2000 VW Passat 1.8t 300,000 miles as of Dec 09, 2009 original owner
1997 E300d Silver 300,000 miles As of Jan 05, 2010
3rd owner SOLD