CLK-Class (W209) 2003 on: CLK 270 CDI, CLK 200K, CLK 200 CGI, CLK 240, CLK 320, CLK 350, CLK 500, CLK 550 [Coupes & Cabriolets]

Vibration, hesitation

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Old Sep 11, 2009 | 10:48 AM
  #26  
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I drive the racism out of BadDebt. ;)
Originally Posted by trikoid
We have to change spark plug wires? In what way do those degrade?
you will only change them probably 2x in the lifetime of the car...every 74564Miles...or 120,000 km.
theres 12 of them so save up.
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Old Sep 11, 2009 | 08:27 PM
  #27  
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09CLK550Cab 61k miles
I got it back today, after all that work and it is moderately better.

The really bad hesitation and poor power seems gone. So either the MAF cleaning or the spark plugs did it. I did not do the wires. He said I could wait another 25K.

I still had a little bit of vibration in the tranny, but NOTHING like before, so it was something I did.

I did get some fuel injector cleaner (Gumout) and I'll see if that makes a difference. Does the $160 fuel injector cleaning service make a difference that the dealer does?
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Old Sep 11, 2009 | 08:41 PM
  #28  
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BTW, I installed the Bosch Platinum IR fusion plugs. I'm going for longest life on these, since most of the cost is labor.
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Old Sep 12, 2009 | 08:38 AM
  #29  
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04 CLK 320 > CLK32K
I had similar problem, changed the MAF and it fixed it right up!
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Old Sep 12, 2009 | 10:38 AM
  #30  
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2005 clk500
I had a slight Hesitation, more like a rough idle at stop lights and I did all that I posted earlier in this thread and It was fixed. When stock Mercedes Benz plug wires start going bad, they will give you all kinds of Hesitation going up a hill at 20mph at various low RPMs symptoms. Plug wires going bad early is very common.
Read:http://repairpal.com/mercedes-benz-c...ommon_problems
Hope this informations helps you-
Regards
Paul
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Old Sep 14, 2009 | 09:35 PM
  #31  
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Ok, so the transmission vibration is still there. It's less, but it is still there. It happens under light throttle right after the torque convertor locks up.

Other symptoms include:
- small number of metal shavings in my tranny
- And I have the early (July 2003) Valeo radiator in my July/03-build CLK500


Clearly, I'm doomed.


So now it's time for the big question: trade the car in, or keep it and risk expensive repairs.

Anyone know what it can cost? How much for a new radiator and torque convertor? If it's $9K to replace the radiator, control unit, torque convertor and tranny, then it's time for a new car. I can probably trade it in before something horrible happens to it and then it won't be able to trade it in any more.

On the bright side, the hesitation seems gone, which is good. But maybe that's related to the tranny.
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Old Sep 14, 2009 | 11:38 PM
  #32  
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And any idea on how long I have until the tranny tears itself to bits?
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Old Sep 15, 2009 | 05:59 PM
  #33  
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I'm DOOOOMED!

And now I found a coolant leak on the passenger side exhaust manifold, near the overflow container. That, plus the car was complaining of low coolant.

Could it be a head or something? And possibly the cause of all this?
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Old Sep 15, 2009 | 07:37 PM
  #34  
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CLK500, 370Z
We took our '03 CLK 500 in for similar problems. Turns out we had the bad radiator and it was contaminating the trans fluid.

The radiator and torque converter were replaced. The rest of the transmission was fine since we took it in right away. Total cost was something like $3996. Obviously that's probably going to double if there is some serious damage to the transmission.

I think our repair bill came in on the lower end of the spectrum for this issue. I was expecting anywhere from $4500-9000 depending on damage.
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Old Sep 16, 2009 | 05:41 AM
  #35  
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That's what I was hoping too, for an upper bound. But now I'm looking at other cars, and the trade in on my car was estimated at 12-15K (could be time of year, I don't know, or because of all the issues).

Between the $4K for this, $1K for an impending steering rack replacement, plus another $1K or something for suspension work to make the stupid thing stop vibrating, and winter tires, that's like half the value of the car.

It looks like I will be buying a Toyota soon. I'll miss this thing...
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Old Sep 16, 2009 | 09:27 PM
  #36  
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CLK500, 370Z
Yeah, these cars can be expensive if you're out of warranty. I think if we decide to buy another new MB we'll definitely buy the extended warranty since we'll probably keep it for a while.
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Old Sep 17, 2009 | 02:30 PM
  #37  
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CLK550
Originally Posted by Klinh
Explain the shakes.
Like a bad balance when i get on the throttle at 60% from 2-3k. That's it. no where else does it shake, just in that RPM. Maybe it's the excess TQ? What do you think this could be? should i have my MAF changed just in case?

Originally Posted by m4a1mustang
Yeah, these cars can be expensive if you're out of warranty. I think if we decide to buy another new MB we'll definitely buy the extended warranty since we'll probably keep it for a while.
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Old Sep 17, 2009 | 02:37 PM
  #38  
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CLK550
PS...the guys with issues: post your wheels (if you have aftermarket wheels it could be the problem..cheap wheels = horrible ride)
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Old Sep 17, 2009 | 06:21 PM
  #39  
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Stock OEM Merc wheels. They have been straightened and balanced countless times. It's not the wheels. It's the tires (even PS2s, and Contis).

Every day, the tires get minor flatspots. Convertibles are very susceptable to it, and shake. Coupes and sedans are stiff, and don't notice it. When I park my front tires on a soft matt it makes a difference. Rediculous, isn't it?

Drives me batty.
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Old Sep 17, 2009 | 06:24 PM
  #40  
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Originally Posted by Amiricanmade
Like a bad balance when i get on the throttle at 60% from 2-3k. That's it. no where else does it shake, just in that RPM. Maybe it's the excess TQ? What do you think this could be? should i have my MAF changed just in case?
Before you have your MAF changed ($300?), try cleaning it. All you need to do is spray some carb or CRC's mass air flow cleaner. Spray it on the wire, wait, then spray again. $10 in parts for the can. Or have a local mechanic do it. Took mine 20 minutes. It's cake.

Or you can buy a Bosch OEM-equivalent for around $80-$120 I think. Again, 20 minute mechanic's job to replace it.
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