Help - R170 will not start - Mercedes Benz SLK Forum

SLK R170 General Discussion SLK 200, SLK 230K, SLK 320, SLK32 AMG

 
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#1 Old 02-05-2010
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Help - R170 will not start

My SLK, which has never given me a problem, will not start.

When I turn the key, there is a loud clicking noise at about twice per second and any warning lights dim in sympathy with the clicks.

Any thoughts?

The car hasn't been used for about 6 weeks and was last started a couple of weeks ago.

Many thanks

John
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#2 Old 02-05-2010
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How old is the car battery?

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#3 Old 02-05-2010
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Thanks for the response.

I've had the car for two years so it's at least two year's old.

John
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#4 Old 02-05-2010
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Thanks for the response.

I've had the car for two years so it's at least two year's old.

John
Do you know if the previous owner ever had to replace the battery? My guess would be a daft car battery.

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#5 Old 02-05-2010
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I'm sure this is not the original battery but can't say how old it is. I have it on charge at the moment in the hope that I'm suffering from low power owing to little recent use and cold weather.

John
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#6 Old 02-05-2010
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I'm sure this is not the original battery but can't say how old it is. I have it on charge at the moment in the hope that I'm suffering from low power owing to little recent use and cold weather.

John
Do you have a voltmeter?

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#7 Old 02-05-2010
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Re voltmeter...not at the moment as son's is at his work until Monday.

Battery does seem to be taking charge though.

John
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#8 Old 02-06-2010
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Thanks everyone. I believe the problem is with the charge in the battery, or lack of. After 2 hours on charge, car started.

Left on charge overnight, I will give the car a good run today.

I think this is about my having become complacent after a few years of mild winters. Certainly last winter and the one before I took the car out most weekends.

With the snow in the UK over the past two months and my 2 week holiday in between, I've neglected my SLK.

John
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#9 Old 02-06-2010
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slk batteries last only 2 years. i have had 3 slks, and like clockwork, every 2 years, i have had to replace the battery


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#10 Old 02-06-2010
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slk batteries last only 2 years. i have had 3 slks, and like clockwork, every 2 years, i have had to replace the battery
Mine will be six years old in November, and it still works perfectly - I do keep it on a battery tender all the time though.






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#11 Old 02-06-2010
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Yep! A battery tender is what I need. I have one for my bike but it isn't powerful enough for the SLK

Any recommendations? Ctek?

I use an Optimate for the bike.

John
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I just use one of THESE from Halfords. (I use them on the bikes also). They do not need to have a high power output, as you are not charging a flat battery, you are just keeping it topped up, and powering the clock, alarm and anything else that is continually powered, which just draw milliamps. As long as you get an 'intelligent' tender like the Optimate or the Halfords ones I use, you won't have any problems.






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My battery just died at 5 years and thats with regular use but in hindsight it was going off colour 6 months ago , the cold has exposed it.
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2002 slk32 with the oem battery still crankin!!
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slk batteries last only 2 years. i have had 3 slks, and like clockwork, every 2 years, i have had to replace the battery
Quote:
Originally Posted by 320 dreamer View Post
2002 slk32 with the oem battery still crankin!!
Think The Sarge must be shoutin at his






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#16 Old 02-06-2010
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2002 slk32 with the oem battery still crankin!!
You got to be getting pretty close to the end on that thing. The MB battery in my 560SL died after eight years which is pretty darn good I thought. Do you replace batteries after so many years or do you just wait for them to conk out? With my Mercedes Roadside Service experience on my 560SL last spring, I may just wait, although once I get to eight years, I might decide it's time.

Len
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#17 Old 02-06-2010
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2002 slk32 with the oem battery still crankin!!
Quote:
Originally Posted by sokoloff View Post
You got to be getting pretty close to the end on that thing. The MB battery in my 560SL died after eight years which is pretty darn good I thought. Do you replace batteries after so many years or do you just wait for them to conk out? With my Mercedes Roadside Service experience on my 560SL last spring, I may just wait, although once I get to eight years, I might decide it's time.

Len
IIRC, the car battery spec for UK is different from those fitted to US spec cars.
Code 673 High-Capacity Battery is on the data card of US spec vehicles, ergo, it may seem the US spec batteries last longer.

I wonder what other members' experiences are, especially the northeast US? How long does the vehicle battery last?

Eddy



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