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2005 7-Speed transmission problem?

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Old Jan 13, 2012 | 03:41 PM
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AMG_BENZ's Avatar
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2005 7-Speed transmission problem?

I googled through the old threads about 2005 CLK500/55. Many of the posters said that it had a transmission bug, since the 7 speed was introduced in that year. However, I don't get what kind of problem was. Is the problem still persists now?
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Old Jan 13, 2012 | 04:36 PM
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
The early problem related to speed sensors giving implausible output. Benz used to replace the valve body (Electrohydraulic unit) complete. If you take a look at the W203 forum you will see the matter discussed at length. Apart from the odd genuine speed sensor failure & solenoid spring failure, the real cause of crap seems to have been the conductor plate made by VDO.

There are no issues with the latest generation of the 722.9.
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Old Mar 15, 2012 | 02:44 PM
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2010 Buick Enclave
Does that make a 2005 CLK500 a bad used car buy or was the problem eradicated under warranty?
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Old Mar 15, 2012 | 04:34 PM
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06 CLK350 -SOLD! 2010 Cadillac SRX Premium Turbo
Guess that would depend on the owner having it done. You can have a report ran at the dealership that list all items that have been addressed by just the VIN.

I bought a used ML430 once upon a time, and had the report ran on it to see what all had been done. Pretty handy.

Last edited by Mka77; Mar 15, 2012 at 04:35 PM. Reason: spelling
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Old Mar 15, 2012 | 04:42 PM
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
2005, 06, 07 cars are not necessarily a bad buy but you need the service history for the transmission valve body & potential balancer shaft sprocket problem with engines.
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