Question Details

2010 Glk 350.  A/C blowing hot air intermittent ly. Sometimes A/C works and other times it’s just hot air.  Diagnostic came back that electrical part on compressor was overheating and so I need to replace compressor. Also told to replace expansion valve, dryer, flush and recharge. Do you agree? 

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Profile picture for user sarah

sarah  10 months ago

AC compressor

Submitted by sarah on Mar 16, 2018.

2010 Glk 350.  A/C blowing hot air intermittent ly. Sometimes A/C works and other times it’s just hot air.  Diagnostic came back that electrical part on compressor was overheating and so I need to replace compressor. Also told to replace expansion valve, dryer, flush and recharge. Do you agree? 


Profile picture for user sarah

sarah  10 months ago

AC compressor

Submitted by sarah on Mar 16, 2018.

2010 Glk 350.  A/C blowing hot air intermittent ly. Sometimes A/C works and other times it’s just hot air.  Diagnostic came back that electrical part on compressor was overheating and so I need to replace compressor. Also told to replace expansion valve, dryer, flush and recharge. Do you agree? 


Profile picture for user MercedesMedic

MercedesMedic  10 months ago

There is no need to throw all new parts. The shop you are using is trying to be safe. It sounds that they do not know why the A/C is overheating and therefore replacing a bunch of parts.

I suggest you have a shop that specilizes on AC take a look at it.


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