Quick Question
Seafoam or techron both do the job.Cleans internals,injectors,and removes moisture.Don't go overboard.Two treatments a year will keep injectors running trouble free.The first treatment I do is with the tank low 1 can and fill it half way,then run it low and refill as normal(never top off

then in 6 months treat a full tank to 1 can.Repeat yearly till death do you part or you sell her.


don't treat the oil,mb spec oil do not need anything.
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You are posting in the middle of an old thread on engine cleaners. So you are 'hidden' from most readers. I suggest you repost as a new post.
As you can see from #7 you don't have any compressor pressure. It could be a bad compressor or temp/pressure sensor but it's likely to be that you've lost the charge thru a leak. You can confirm with a local A/C tech and have it tested for leaks before recharging. A/C is generally not a DIY project because of the knowledge and special tools necessary.
B 1232 is a sensor issue and
B 1459 is a comm issue
Both could be caused by the compressor not starting.


