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CLK320 Buying Advice

 
Old 04-27-2015, 09:08 AM
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Question CLK320 Buying Advice

Morning all, new to the forum so if I'm in the wrong place please advise.

I've currently got my eye on a 2005 CLK320 with 90,000 miles. The price is right but this will be my first Merc and wanted any advice regarding common issues or pitfalls to look out for? This is not going to be a daily driver, more of a project/gift for my daughter and I to work on. I've owned a number of Land rovers over the past 15 years so I'm no stranger to finicky autos and not averse to digging in and getting my hands dirty to fix or restore. I just don't want to get it home to find out all '05 3.2 liter engines have an issue with cylinder wall linings failing at 95,000 miles or water gathers in the chasis and rots away the rear end after 10 years or something like that?

Any advice on what to look out for or personal experience with this year & model are greatly appreciated.

Thanks!
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Old 04-27-2015, 10:23 AM
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Based on you post, I don't think you will have any insurmountable problems. Basically a proven engine - valve cover gaskets may be leaking, my experience is that the transmission mount probably needs to be replaced, maybe shocks and struts, maybe engine mounts, and brakes are easy. My guess is that you will like it. Good luck.
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Old 04-27-2015, 12:57 PM
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Originally Posted by abqhudson View Post
Based on you post, I don't think you will have any insurmountable problems. Basically a proven engine - valve cover gaskets may be leaking, my experience is that the transmission mount probably needs to be replaced, maybe shocks and struts, maybe engine mounts, and brakes are easy. My guess is that you will like it. Good luck.
Thanks for the info!
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Old 04-27-2015, 07:21 PM
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I would also add control arm bushings.

Put her on a lift and inspect the center plastic panel for leaks at the oil level sensor and rear main seal. Mine just started to leak at 80K

I just replaced struts and shocks and a broken sway bar linkage. +1 I also noticed valve cover weeping.
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Old 04-28-2015, 01:30 AM
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2012 C300 4MATIC Sport - 2005 CLK 320
The 2005 CLK 320s, which I happen to own, are proven to be the "bullet-proof" model. That is because they have the M112 320 engine and the 722.6 5-speed transmission.

Since you are a good DIY-person, nothing should prove hard for you to fix, but check for these:

- Make sure the radiator installed is a BEHR and not a Valeo. Valeo radiators can cause coolant to leak into the transmission fluid and that can turn pricey if not caught and corrected quickly. Search this forum to find the picture that shows the visual difference between a Valeo and a BEHR.

- Change the transmission fluid if it was not changed lately. It is advised to do a transmission fluid change every 60,000km.

- Make sure you only use MB-Approved fluids: Spec 229.5 for engine oil and Spec 236.14 for ATF.

- Suspension components should also be inspected at 90,000 miles: upper and lower control arms and their bushings, front stabilizer/sway bar bushings, and rear sway bar bushings.

Good luck and let us know if you have more questions

Last edited by xsever; 04-29-2015 at 01:16 AM.
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Old 04-28-2015, 06:32 PM
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+1 on radiator, PO after an accident allowed insurance company to place a Valeo, it leaked. Swapped with Behr all good now.
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Old 04-28-2015, 10:39 PM
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CURRENT: 2011 SL550, 2010 ML350, FORMER: 2007 CLK550 Cabriolet, 2002 C240, 2001 ML320, 1984 300TD
Yep - M112 engine + 722.6 5-speed auto transmission = solid combination for the long run.
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Old 07-12-2019, 04:51 PM
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How can you tell if it is aBEHR or a Valeo?
Dan

Originally Posted by xsever View Post
The 2005 CLK 320s, which I happen to own, are proven to be the "bullet-proof" model. That is because they have the M112 320 engine and the 722.6 5-speed transmission.

Since you are a good DIY-person, nothing should prove hard for you to fix, but check for these:

- Make sure the radiator installed is a BEHR and not a Valeo. Valeo radiators can cause coolant to leak into the transmission fluid and that can turn pricey if not caught and corrected quickly. Search this forum to find the picture that shows the visual difference between a Valeo and a BEHR.

- Change the transmission fluid if it was not changed lately. It is advised to do a transmission fluid change every 60,000km.

- Make sure you only use MB-Approved fluids: Spec 229.5 for engine oil and Spec 236.14 for ATF.

- Suspension components should also be inspected at 90,000 miles: upper and lower control arms and their bushings, front stabilizer/sway bar bushings, and rear sway bar bushings.

Good luck and let us know if you have more questions
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Old 07-12-2019, 05:49 PM
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Originally Posted by dmauch View Post
How can you tell if it is aBEHR or a Valeo?
Dan
https://forums.mercedesclub.org.uk/i...4/#post-231842
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Old 07-12-2019, 10:37 PM
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You have to join that forum to see the photos. I also have copies of them here:

http://benzbits.com/ValeoRadiator/list.php
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Old 07-13-2019, 04:53 PM
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E,E,CL,C,CLK,ML,S,GLK,others...
Find a later year model. You will not have to worry about the early issues. Plus a face lifted model feels much better.
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