R-Class (W251) Produced 2006-2013: R320CDI, R350, R420CDI, R500

HELP WITH MY WIFE'S LEMON R320 air suspension

Old 01-13-2015, 08:03 PM
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2008 R320 CDI
HELP WITH MY WIFE'S LEMON R320 air suspension

so, i just resolved the oil cooler leak fiasco; along with brakes and brake sensors. i come home to find her car in the garage with a noticeable lean towards the drivers side. both the front and rear drivers side shocks have collapsed. where do i find the air compressor? the valves? regulators? i find it hard to believe that 2 air bags failed on the same day at the same time. since its the same side i imagine that its a valve or a line problem.

i could really use some advice/pictures

thanks in advance.
Old 01-14-2015, 10:38 PM
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e320 Wgn. 98, 08 R320 CDI, 2017 Chrysler Pacifica
do you live in the midwest? i think the cold weather causes these things to fail.

mine did the same thing about a month ago, but had purchased the MB extended warranty which covered the repair. here's what they did to fix it:

replace air spring:
1 air spring 251-320-04-25
1 seal holder 211-328-00-58

replace left and right level linkage (frozen)
251-320-23-32

good luck, would b curious to know the cost.
Old 01-15-2015, 10:52 PM
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Now just one GL450 with EORP.
If drivers side is down, that sounds like a line puncture or a metering block. If it's truly your springs, you're looking to replace all four. Look for an independent who can install Arnott air springs - the cost of these is about 1/2 that of at the dealer. On cold mornings my left rear sags a little but comes right up and stays that way all day.

Do you per chance have around 80k miles on the car? The stock airbags typically fail at that point.

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