G Class (W463A) Produced 2019-Present: G550, G63 AMG

AC not working !!!!

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Old 03-07-2021, 02:36 PM
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G500 2019
AC not working !!!!

Hi ,

not getting any errors but AC not cooling ? Heard a ticking noise from engine bay few days ago , stopped engine and started again and noise was gone , since then no more cooling , ideas anyone ? Car is from March 19 , no cooling gas possible ? Wouldn’t I get error ?

thx
Old 03-07-2021, 07:48 PM
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Originally Posted by Stevemaj
Hi ,

not getting any errors but AC not cooling ? Heard a ticking noise from engine bay few days ago , stopped engine and started again and noise was gone , since then no more cooling , ideas anyone ? Car is from March 19 , no cooling gas possible ? Wouldn’t I get error ?

thx
The A/C compressor has a magnetic clutch that won't engage if you've lost the system's refrigerant. Not sure if this throws an OBDII code. See your dealer or a shop that services A/Cs - not a DIY repair.
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Old 03-08-2021, 09:25 AM
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E450 wagon, C43 AMG Cpe, C43 AMG Cab
You won't get a code for low refrigerant. But your vehicle should still be on warranty being a MY '19. Back to the dealer!
Old 03-08-2021, 03:33 PM
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I wish it was only the refrigerant , this wheel is destroyed , don’t exactly know what it is but they are replacing it , warranty covers it all but it shouldn’t happen on such a car ! ( pics of old and replacement!) some belt also replaced , car still at dealer

New part

Old broken
Old 03-08-2021, 04:39 PM
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That's one of the serpentine belt tensioners -- can't imagine why it would fail. Looks totally chewed up as if the shaft bearing froze. The belt was probably wasted, hence they're replacing it also.

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