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Code 9027 - Aircon doesn't blow cold

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Old Jul 3, 2025 | 08:24 AM
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CLK320, ML550, SL55, GL450
Code 9027 - Aircon doesn't blow cold
Hi guys!

Is this the right diagnosis?

A quick google search says the Aux heat/water pump isn't working.

Is this the right part numbers?
2218350064

Easy to swap it?

If anybody has repair manual. would love to see this one.

Cheers
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