SLK-Class (R170) 1998-2003: SLK 200, SLK 230K, SLK 320

SLK/R170: Engine won't start? Help Plz!!

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Old Apr 14, 2003 | 03:14 PM
  #1  
Pr0wler's Avatar
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From: Stockholm, Sweden
1999 SLK 230 K
Engine won't start? Help Plz!!

Got out in the afternoon today to go for a ride, turned the ignition to the second stage and there was some starnge clicking noises as if the relays clicked on the left side of the engine (standing in front of the car) and when i switched the ignition to the third stage (ignition) i only heard a loud clicking noise from the engine in an interval of 2-3 clicks/second(i suppose it is the starter)

Tried it with 2 separate set of keys i conected an external battery source, tested all the fuses, going to try to jumpstart it tomorrow.....



If anyone has any suggestions plz put them below!
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Old Apr 14, 2003 | 08:07 PM
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New battery due!

Mine failed a couple of weeks ago, too, after 5 1/2 years in service.
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Old Apr 14, 2003 | 08:08 PM
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slk320mt
Sounds like the battery to me. Trickle charge overnight and give it a try tomorrow. Good luck.
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Old Apr 15, 2003 | 07:52 AM
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1999 SLK 230 K
Did let it stand with a charger overnight and to my big relif it started like clockwork this morning!

Thanks for the help guys!
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Old Apr 15, 2003 | 10:10 AM
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I'd replace the battery, it's only a matter of time until it goes dead again.
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Old Apr 15, 2003 | 04:12 PM
  #6  
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But the battery is not that old... only 4 yrs.. but it does seem like it has a hard time to recive some charge.

is it possible that some relay has fried and drains the battery?
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Old Apr 15, 2003 | 06:48 PM
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battery life

4 years is actually not too bad, some quit even earlier. All depends of course on how well the prev. owner had cared for the battery, even the so-called care-free batteries benefit from some refill of destilled water when levels drop.
I would exchange the battery now - you may squeeze a few more days or weeks out of it but why risk getting stranded with an empty battery? A new one will cost you $70-100, should have at least 460 Amph, doesn't even have to be a Mercedes one.
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Old Apr 15, 2003 | 11:26 PM
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From: Chandler, Arizona - USA
'02 SLK32 AMG
Originally posted by Pr0wler
But the battery is not that old... only 4 yrs.. but it does seem like it has a hard time to recive some charge.

is it possible that some relay has fried and drains the battery?
I'd be jumping for joy if I ever got 4 years out of a battery. I average only 2 years here in Arizona, and I've never had a battery last longer than 3 years. It doesn't seem to matter if they're OEM or aftermarket, expensive or cheap. Even the super-expensive Optimas are lucky to last 3 years here.

Yes, it's possible that something is draining current, but that is really easy to figure out with a good multimeter.
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Old Apr 16, 2003 | 01:22 AM
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Originally posted by Pr0wler
But the battery is not that old... only 4 yrs.. but it does seem like it has a hard time to recive some charge.

is it possible that some relay has fried and drains the battery?
4 years is exceptional for a Mercedes battery. MB batteries are pieces of crap, the first thing I'd do with a new Mercedes is dump the battery for an Interstate battery.
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