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  #1  
Old 12-21-2008, 01:27 PM
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Fed up

Members: I have a 1994 E320a Convertible that has 50K miles on it. Ive replaced or repaired just about everything on this car. Lately its been giving me trouble with starting. I think that its the alarm system as the car is not getting a spark when this happens. Has anyone ever had to replace the security system? And just how much was the cost to replace it? I dont understand how a car with such low milage as mine could constantly give me problems.

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  #2  
Old 12-21-2008, 02:25 PM
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The security system can stop the starter from engaging on that car but if the starter is working the security system isn't involved in keeping it from running.
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  #3  
Old 12-21-2008, 02:50 PM
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Cold start or hot starts?

If hot, it could be a faulty CPS.
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  #4  
Old 12-21-2008, 04:27 PM
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On that chassis , you waht to check the OVP relay.
Do a search on "OVP".

If you are fed up with the car, I will buy it from you...............
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  #5  
Old 12-21-2008, 05:49 PM
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The issue happens when its cold or hot. I have replaced the starter, battery, all wires and plugs, Cam sensor, the list goes on. Mechanic still thinks its the alarm system. However there arent any fault codes coming up. Last two days she has started each time but I am afraid to take her out anywhere since I have spent 200 in towing fees last week for the times it wouldnt start. In addition to the starting issue my wiper motor is burning out. Smells like it's on fire. I have dropped at least 10K in repairs this last year on her. Looks like another 1K+ is about to leave my wallet. Granted that they dont build them like my w124a but I"m starting to think that its not worth it anymore but I have so much money in it and its showroom condition. Just needing to vent.
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  #6  
Old 12-21-2008, 05:52 PM
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stop throwin parts (read, money!!!!) at the problem and diagnose it.

sounds like you need a new mechanic if all those parts were for this problem.
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  #7  
Old 12-21-2008, 05:59 PM
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It's a DIYer kind of car. A DIY would have a hard time putting $2k in the car in a bad year, even in a cab.
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  #8  
Old 12-21-2008, 06:12 PM
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Majority of that list was due to failure. Cost was because I would always bring it to Mercedes Benz of Manhattan to repair it. Biggest cost was new hydraulics for the top. Started using a local MB mechanic but he cannot figure it out. Therefore tomorrow I am driving her back to MB of Manhattan and let them fix it once and for all. Kind of PO at the local mechanic as Mercedes is all he repairs in addition he has been in business for 25+ years. You would think that he would know from experience alone.
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  #9  
Old 12-21-2008, 06:18 PM
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$10k a year at Mercedes Benz of Manhattan would be pretty reasonable, they must like you.

Last edited by deanyel; 12-21-2008 at 06:24 PM.
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  #10  
Old 12-21-2008, 06:22 PM
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was your harness replaced?? you would certainly fall in that catagory
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  #11  
Old 12-21-2008, 06:24 PM
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Both wiring harnesses were replaced. The starter harness and the main harness.
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  #12  
Old 12-21-2008, 06:27 PM
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Yes they see me coming. Ive called the service advisor out a few times on issues. So he knows that I know when he's yanking my chain.


Quote:
Originally Posted by deanyel View Post
$10k a year at Mercedes Benz of Manhattan would be pretty reasonable, they must like you.
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  #13  
Old 12-21-2008, 06:31 PM
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Next time it does not start, tap the OVP relay...VERY COMMON fault ....

Also, next time it doesn't start, cycle the key a few times before attempting to crank it over....if it then starts OVP is suspect.
On that chassis , nothing works with a bad OVP, except starter.
Security is only starter LOCK OUT ..nothing to do with fuel or spark.
If it cranks , forget about the Security System [ ATA]

The OVP is behind the plastic panel , behind the battery. Fuse on top.
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  #14  
Old 12-21-2008, 06:35 PM
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A Dalton - Thank you for your advice. I will tell mechanic to check it out. I appreciate everyones input.
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  #15  
Old 12-21-2008, 06:37 PM
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BTW I found a new wiper motor on ebay for 100 bucks. Deal or No Deal?

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