clk55 valeo radiator? - Mercedes-Benz Forum
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post #1 of 4 (permalink) Old 06-05-2019, 03:01 PM Thread Starter
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Date registered: May 2019
Vehicle: 2004 clk55 convertible
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clk55 valeo radiator?

04 clk55 11/03 build date. I've seen anything after 09/03 is absolutely safe? I will have to confirm if I can find any markings on my radiator.
I've had the car 3 weeks (only on the road for 80 miles) mostly laid up from breather leak then gasket leak a week later. I recall reading a
post stating the clk55 transmission should be really smooth, I wouldn't agree based on my limited experiences. I've noticed some downshifts
when "coasting" downhill and it's a little noisy with whirling ? type "gear shifting" sounds on downshifts. The transmission was serviced
just before I purchased, I would hope I would have been FYI'd if something was discovered.
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post #2 of 4 (permalink) Old 06-05-2019, 03:32 PM
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post #3 of 4 (permalink) Old 06-05-2019, 06:42 PM
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It's fairly easy to tell based on the style of crimps use to connect the metal radiator to the plastic tanks.

This is the Valeo:

This is the Behr:



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post #4 of 4 (permalink) Old 06-06-2019, 12:30 AM
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Even if you have a Valeo,, with a build date of 11/03 it should be fine.

Re The transmission ,, you could try resetting the adaptive shifts,,,

Also , sometimes services have not been done as claimed ...what exactly was done ?,,,,get a correct trans 722.6 dipstick and check the fluid level and quality,
If in doubt , drain the fluid , replace the filter and gasket and the electrical connector bushing...
It is a fun DIY. project.

When I got my CLK55 it would do some harsh downshifts at low speed ,,,after doing all the above,,,it is now quite smooth.
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