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CLK 280 Ponton 190
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I think my CLK has same motor, 3ltr version M272 but only 85K miles. If it ain't broke don't try to fix it.
I believe the engine management light will come on to warn of a problem. I had this, it turned out to be the thermostat.
end of panic.
 

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Coupe/Convertible Forums Moderator
CURRENT: 2011 SL550 FORMER: C300, ML350, CLK550 Cabriolet, C240, ML320, 300TD
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Hi, I don't understand how to look up the vin # to see if my engine is a affected by this problem. My vin is WDBTK56676TO69749 . My Milage is about 135000. The engine appears to run fine. No codes on my CLK350 . Should this be a problem and if so, how would I know.

Well, the first thing I see from the VIN is that you have a MY2006, so it's definitely in the range for potential balance shaft failure - all MY2006 MBZ's with the M272 engine are. If you tried using Mercedes VIN Decoder | Decode Your Mercedes-Benz VIN to lookup the build sheet, it won't work because you have your VIN written down incorrectly. First of all, the value in the 8th position is not "6" but a "G". I know this because most all W209's use a letter there to indicate equipment levels. Also, the 12th position is a "zero" and not the letter "O". To eliminate confusion, VINs for any can will only contain zeroes and never the letter O. So, your proper VIN is WDBTK56G76T069749. Plug that in and you will see your engine is in the range, i.e. 2729..30 468993 or below. It seems that the sprocket can fail at any mileage, so high miles is no guarantee that yours won't, but then again, it could fail at 400K miles and at that point, you'd likely have many other problems to woirry about and woudl defintiely had gotten your money's worth from it.

One more thing: PLEASE - PLEASE - PLEASE take a moment to visit your forum user's control panel. Go into "Account Settings", then "Account Details". Fill in the information for your "Location" (at least state/country), and your "Vehicle Details" (model and year). This will appear on all of your posts in the left pane, below your name and avatar photo. If you have more cars than will show there, then add them to your "Signature". This information will be of great assistance to others when trying to help you.
 

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(2009) Mercedes-Benz CLK 220 CDI (W209)
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I’m contemplating buying one of these two:
• CLK 280 (2009) with VIN code WDB2093541F253960 or
• CLK 350 (2006) with VIN code WDB2093561F166424 hat costs 25% less.
The question is what problems can I expect more from the 350 and is the 280 worth the extra money? Thanks for the advice!
 

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Coupe/Convertible Forums Moderator
CURRENT: 2011 SL550 FORMER: C300, ML350, CLK550 Cabriolet, C240, ML320, 300TD
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I would definitely go with the MY2009. You will lose about 40hp and 40lbft of torque over the 3.5l engine, but you will also lose less money if the MY209096's balance shaft fails or it's transmission fails. MY2009 as the last for the CLK and for MBZ cars, the last year or tow of a model is almost always the best.
 

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(2009) Mercedes-Benz CLK 220 CDI (W209)
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I would definitely go with the MY2009. You will lose about 40hp and 40lbft of torque over the 3.5l engine, but you will also lose less money if the MY209096's balance shaft fails or it's transmission fails. MY2009 as the last for the CLK and for MBZ cars, the last year or tow of a model is almost always the best.
Are all “famous” issues resolved with the 2009?
 

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Yes, pretty much in terms of transmission and engine issues. Of course anything mechanical can always fail.
 

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(2009) Mercedes-Benz CLK 220 CDI (W209)
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Hello, new to the forum here. I am contemplating the purchase of the following clk350 and wondered if I can get the VIN decoded for the balance shaft issue. Thanks.

VIN: wdbtk56fx7f213902
2703562

As far as I’m aware, every gasoline engine before the mid 2008 is affected by this, however that doesn’t mean it will fail. It’s just more likely to happen, and if it does, it will be a huge pain. Otherwise, it all depends on your luck. 🍀
 

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CURRENT: 2011 SL550 FORMER: C300, ML350, CLK550 Cabriolet, C240, ML320, 300TD
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As far as I’m aware, every gasoline engine before the mid 2008 is affected by this, however that doesn’t mean it will fail. It’s just more likely to happen, and if it does, it will be a huge pain. Otherwise, it all depends on your luck. 🍀
It's actually mid-MY2007, which would be a build date somewhere in late calendar year 2006. So definitely any MY2006 or earlier cars with the M272 or M273 engines are in the range. If it's a MY2007, it needs to be checked by VIN (to get the engine serial number). If it's a MY2008 or later, it's not in the range, but of course any mechanical part can fail at any time!
 

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@Juma350 - Unfortunately, Eric is no longer with us. He passed away a few years back. Besides that, you can check this for yourself:

Go to this site and plug in your VIN to get the build sheet and specifically your engine's serial number:


Then refer to this for the affected ranges to see if your engine falls within them:

https://benzbits.com/BalanceShaftTSB.pdf
 

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Coupe/Convertible Forums Moderator
CURRENT: 2011 SL550 FORMER: C300, ML350, CLK550 Cabriolet, C240, ML320, 300TD
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I dont find histori MERCEDES-BENZ 300 VIN: WDB 12319010022124
Your W123 predates the modern build sheet database that Mercedes-Benz maintains. I pulled it from EPC and there is not much info, but his is what it has:
 

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2005 CLS 350
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@Juma350 - Unfortunately, Eric is no longer with us. He passed away a few years back. Besides that, you can check this for yourself:

Go to this site and plug in your VIN to get the build sheet and specifically your engine's serial number:


Then refer to this for the affected ranges to see if your engine falls within them:

https://benzbits.com/BalanceShaftTSB.pdf
RIP Eric! Thank you Rudeney
 
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