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2005 CLK320 with 48600 Miles on it

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2005 CLK320 with 48600 Miles on it

 
Old 07-11-2019, 04:21 PM
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1997 S320
2005 CLK320 with 48600 Miles on it

I have a chance to buy this vehicle for good price. The owner is the son of the original owner and has all the records. He states in his ad that the car is in perfect condition. The pictures show the interior and exterior look great. It was garage stored. Any suggestion of what i should look out for?
TIA
Dan Mauch
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Old 07-11-2019, 07:45 PM
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2008 CLK550 Coupe
Originally Posted by dmauch View Post
I have a chance to buy this vehicle for good price. The owner is the son of the original owner and has all the records. He states in his ad that the car is in perfect condition. The pictures show the interior and exterior look great. It was garage stored. Any suggestion of what i should look out for?
TIA
Dan Mauch
Yes. First and foremost, I would get a pre-purchase inspection done by a mechanic specializing in Mercedes. They can scan for error codes using star diagnostics, and also put the car on a lift to identify stuff you may not otherwise see.

One thing I got burned with on my car is the transmission. My transmission shifts roughly in 1st and 2nd gears when cold (the car starts out in 1st gear in sport mode, and in 2nd gear in comfort mode). This issue almost goes away entirely when the car has warmed up, but there's definitely a problem. I don't anticipate this being a cheap fix. I would make sure that the car is 100 percent cold when you test drive it so you can notice stuff like this.

Creaking strut mounts, squeaking front sway bar, leaking front strut, leaking engine mounts, leaking oil filter housing, and an intermittent slightly rough engine idle are also things I have had to deal with (some I knew of before I bought the car).

Best of luck and I hope this helps you make an informed decision.

Last edited by nkx1; 07-11-2019 at 07:49 PM.
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Old 07-12-2019, 04:39 PM
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clk320 low miles

Any idea of how much it's going to cost to fix your transmission? Or do you plan to live with it in the comfort mode?
Thanks for your other advice.
Dan
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Old 07-12-2019, 05:59 PM
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2004 CLK320 Convertible
Originally Posted by dmauch View Post
Any idea of how much it's going to cost to fix your transmission? Or do you plan to live with it in the comfort mode?
Thanks for your other advice.
Dan
Most 722.6 transmissions (since you're talking about clk320) tend to jerk between 1st and 2nd. My was doing it too (2004 clk320 with ~80k miles). Hell even my Grand Cherokee with 9k miles does it when it's cold (California cold :-D ). I'd not worry about it unless it jerks really hard.
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Old 07-12-2019, 06:23 PM
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The jerk or flair in the 722.6 trans is the lock up solenoid. It can be replaced for under 100 bucks and the cost or time of installation and trans fluid/filter.
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Old 07-12-2019, 07:03 PM
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Originally Posted by dmauch View Post
Any idea of how much it's going to cost to fix your transmission? Or do you plan to live with it in the comfort mode?
Thanks for your other advice.
Dan
I'm planning on living with it until it bugs me too much. The issue is present in both sport and comfort mode (1-2 and 2-3 shifts in sport, and 2-3 shifts in comfort). After that, I'm going to try the fixes referenced below. I don't want to go too far down the rabbit hole spending money ripping apart the transmission beyond the conductor plate. Instead of chasing down issues that may or may not fix the problem, I'd rather just buy a complete refurbished transmission and be done with it (albeit at a substantial cost). In case you couldn't tell, this is probably my first and last used Mercedes lol.

Originally Posted by dzmitry View Post
Most 722.6 transmissions (since you're talking about clk320) tend to jerk between 1st and 2nd. My was doing it too (2004 clk320 with ~80k miles). Hell even my Grand Cherokee with 9k miles does it when it's cold (California cold :-D ). I'd not worry about it unless it jerks really hard.
The 550 has a 722.9 transmission. Similar issue, though!

Originally Posted by insame1 View Post
The jerk or flair in the 722.6 trans is the lock up solenoid. It can be replaced for under 100 bucks and the cost or time of installation and trans fluid/filter.
Thanks- I've researched this quite a bit and am going to try replacing the TCC solenoid (as you suggested) and also repair two of the speed sensors (which apparently commonly fail). If the foregoing doesn't fix it, then I'm just going to live with it until the transmission fails and I will buy a new (rebuilt) transmission. Interesting that a car with 64K miles has this issue, but whatever.

OK, that's enough thread jacking my me! Anyone else have any advice on issues to look out for on the CLK320?
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Old 07-12-2019, 07:23 PM
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2004 CLK320 Convertible
In general clk320 very bulletproof card, but here are couple of things i'd check.

Common problems:
1. Leaking transmission connector
2. Leaking valve cover gaskets (low priority)

Less common problems:
1. Leaking one of oil pans
2. Leaking rear main seal

General checks:
1. Check for coolant in engine oil
2. Check for engine oil in coolant :-D
3. Check transmission fuild (burnt or not)
3. Check suspension

Less likely but still....
If ti's a convertible check for hydraulic leaks and soft top condition in general.
Check rear window regulators (labor consuming work)
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