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  #1  
Old 04-16-2001, 12:51 AM
bostike
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I have notice that my car is hard to start but not always.

Here is how it goes:
1. Cold start=starts right up. No problem

2. Drive for 20-30 minutes. Turn car off. Immediately crank car up, no problem

3. Drive for 20-30 minutes. Turn car off. Wait 15-20 minutes. Car has a hard time cranking on the first try. Usually doesn't start. If you wait 1-2 minutes, then crank again. Car cranks right up, no problem. Like it forgot it had a problem the first time.

Any ideas...
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  #2  
Old 04-16-2001, 03:14 AM
David C Klasse's Avatar
CheFrac is Back!
 
Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
Posts: 2,352
It's the overvolt relay, 95% sure. Same thing with my car and I bought the overvolt relay and it cured the problem. It is very common problem. If I am not mistaken, your car should have one. I am doubting myself because your car is an 85, but this is a very common problem. Someone correct me if I am wrong. You can get a new overvolt protection relay for about $50 here at partsshop.
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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #3  
Old 04-16-2001, 05:17 AM
ymsin's Avatar
Driver, Mercedes-Benz
 
Join Date: Feb 2001
Location: Malaysia
Posts: 1,645
Sounds like it too.

My mechanic would be kind enough to loan us the part to see if its at fault before purchasing it.
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  #4  
Old 04-16-2001, 10:08 AM
bostike
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If I'm not mistaken, I got that part a while back. Swapped out. Small black boxy looking thing with prongs, white letters on the side?? I took it to the mechanic (who let me try it out first) and he said he thought it was the same thing.

Granted, this new part helped a lot, as before it really would not crank consistently at all, but I still have the same problem...

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  #5  
Old 04-16-2001, 12:30 PM
ymsin's Avatar
Driver, Mercedes-Benz
 
Join Date: Feb 2001
Location: Malaysia
Posts: 1,645
Is your fuel pump working right?
Spark plugs ok?
Where's Benzmac, MBDoc or Steve?
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126 tailed by a 203, 129 leading the pack.
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  #6  
Old 04-16-2001, 01:53 PM
David C Klasse's Avatar
CheFrac is Back!
 
Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
Posts: 2,352
Are you sure you got the updated OVP relay?? What part number is in your car?
Has your fuel pump relay been changed?
__________________
2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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