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post #1 of 8 Old 08-13-2006, 09:56 AM Thread Starter
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intermittent starting

HI y'all. I have a 99 S320 that has been acting up. Battery is good but some times I turn the key and nothing (starter wise, electrical system is up and running fine). If I move the gear shifter to neutral, then try it, it usually starts. But can take up to 10 minutes of trying and sittting and retrying before it actaully starts. Other days, no probelms what so ever. Is there some lock out switch that is stuck or something? Thank you.
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post #2 of 8 Old 05-11-2008, 09:50 AM
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I am having the same problem with my 2000 s 500. what may be causing this?
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post #3 of 8 Old 05-18-2008, 12:05 AM
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It could be alot of things... but if you have another key known good key.. I would start with that...
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post #4 of 8 Old 02-11-2009, 09:50 AM
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'94 500 Sl

I have the exact same problem. Seeing as there are several of us having what appears to be the same issue, I have to beleive there is someone out there who know the "typically" diagnosis or at least a test procedure.

By the way, diffferent keys don't make a difference for me. Could it be a solenoid or similar?
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post #5 of 8 Old 03-31-2009, 11:49 AM
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If it acts like this:

Starts when cold, but simply cranks once you try to start when it warms up.
Then will restart when cold.

It is the CPS (crankshaft position sensor).

Check autohausaz.com for parts.
Location drivers side of engine behind head. A little hard to reach, but easy to change.
Do NOT get a knock off part, lots of problems with replicas.

2001 CLK55 AMG
Resonator delete/ Green filters/ H&R Springs with 1 dot pads / 18" Mandrus Wheels
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post #6 of 8 Old 09-15-2009, 01:04 PM
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I think there is ignition problem.This can be solved easily.take it to mechanics.
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post #7 of 8 Old 11-02-2010, 05:53 PM
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I just had the battery replaced and still have the same issue of the key randomly not causing the starter to crank the engine on a 2001 SLK 320 with 31K miles.
I do not have a MB Maintenance manual to assist in a starter troubleshooting decision tree. It appears a starter relay is not being energized to engage the starter.
Does any one have starter schematic and guide to locations of starter circuit components for a 2001 SLK 320????
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post #8 of 8 Old 11-04-2010, 08:43 AM
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Quote:
Originally Posted by minger View Post
HI y'all. I have a 99 S320 that has been acting up. Battery is good but some times I turn the key and nothing (starter wise, electrical system is up and running fine). If I move the gear shifter to neutral, then try it, it usually starts. But can take up to 10 minutes of trying and sittting and retrying before it actaully starts. Other days, no probelms what so ever. Is there some lock out switch that is stuck or something? Thank you.

It could be the floor shifter, next time look for the PRNDL indicator in the instrument cluster. When it wont start and you dont see P or N the floor shifter has an internal fault and will need replacing. Ive have had a couple complaints like this before at work what set me off to post this is the time, and shifting you have to do
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