Hello on my 2000 ML. I was just woundering if I need to start worrying about my a/c. It is still cool and I don't notice any perfromance difference. But is the a/c in the mercedes something that is know to need to be recharge 5 years from the date of manufacturing.

I would help if other ML onwers (especially the older ones) about their performance on their a/c.

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Silver Honda Accord, 2006
Silver G500, 2003
Silver SLK-320, 2002
Black ML-320, 2000
Bule Porsche 993 Targa , 1997
Silver Merkur XR4Ti, 1987

Making sure that the aux fan wiring has been up-dated would be MY only concern..ML's don't seem to have leakage issues...Nippon-Denso sure designes a better system than Behr.

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MERCEDES Benz Master Guild Technician (6 TIMES)
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1986 190E 2.3 16V 2.5 (sold)
Retired Moderator

my a/c isnt working - from reading the forums , I read about this wiring problem and some connection under the fuse box problem. was it a recall ? How do i check mine.?

I topped off the refirgerant and found a blown a/c fan fuse but still no cold air. When i hit the air button there is no RPM change like the compressor isnt kicking on.

UPDATE its Fixed. Dont believe the gauge in my case. another can of 37a or whatever and the compressor kicked on consistantly.

steve

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Steve Danville
what i did myself.
CPS
rear shocks
MAS x 3.
SparkPlugs (twice)
Fuel pump & Filter
Window switch
replaced both failed horns with Honda horns.
Cleaned ERG Tube
Oil changes
Oil consumption Fix
Brake Pads
A/C Recharge
Anti-Freeze change X 2.
Front Shocks. Monroe. $90
Mercedes Warrenty Work:
Harmonic balancer,power steering clamp. Cat converters.Drive Shaft Bearing.s
Replaced Outer Lower Tie Rods and front lower ball joints at 156,000 miles