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Hi
I have mercedes S550 4matic 2008
the problem when the winter starts the rear right goes low and message "stop " shows. the car became too low to the rare right then after days to the front right after a week the whole car right/ left front/rare went too low that cannot be driven. I checked with my Launch and got those codes:5282 Critical Vehicle Level Front Right
5281 Critical Vehicle Level At Rear Axle
5160 Check Component Y52y2(Right Front Solenoid Valve 2)in Assembly Y52(right Front Axle Damping Valve Unit)
5260 Check Component A9/1y1(AIRmatic Pressure Release
5150 Check Component Y52y1(Right Front Solenoid Valve 1)in Assembly Y52(right Front Axle Damping Valve Unit)
528b Level Calibration Was Not Successfully Carried Out
5280 Critical Vehicle Level Front Left
last winter I had the same problem and once the the summer comes it return working 100% but some times I hear something like air released.
- I checked the fused no problem, relay no problem.
- tried to rise it with my Launch x431 it shows EC connection problem, I used the special function and was able to rise the whole car, after a week the right of the car return too low and the left without still high but there is no power on some of the fuses in the rare box in the hood so i am not sure if there is a short ? the headlight also stopped working. 5013 Communication Fault Between Component E1n1(Xenon Headlamp Control Module) And E2n1(Xenon Headlamp Control Module)
they can have seized level sensors (one each at the front and one by parking brake module for the rear), air leaks, worn out pump, control block valves sticking and worn out bellows on the actual suspension units (at this age could be all of those)
they can have seized level sensors (one each at the front and one by parking brake module for the rear), air leaks, worn out pump, control block valves sticking and worn out bellows on the actual suspension units (at this age could be all of those)
A few days ago a weird and laidesound conn from the left brake when I press the brake
they can have seized level sensors (one each at the front and one by parking brake module for the rear), air leaks, worn out pump, control block valves sticking and worn out bellows on the actual suspension units (at this age could be all of those)
i checked the compressor today and found 2 problems:
- the air filter one side was broken to the hose which was not connected at all and the filter has a lot of rust I replaced it with new filter par number 220 320 00 69. I remember i have seen this hose unconnected for long time before this problem.
- I found one of the electrical connector is chafed and need to be replace see the attachement
on Merc and BMW the multiplug plastic bits are usually available…. they call them Pin Bush Housings
the pump is a vane type and you may be able to get a rebuild kit.... if the filter is bad the pump is probably worse. the same manu of the pump sells them at 40% of the main dealer price
the pump should do 10 bar in 10 seconds a bad one is 5 bar in a minute. (there's a STAR test to check, always swap out the relay when a better pump goes in to help it switch reliably
on Merc and BMW the multiplug plastic bits are usually available…. they call them Pin Bush Housings
the pump is a vane type and you may be able to get a rebuild kit.... if the filter is bad the pump is probably worse. the same manu of the pump sells them at 40% of the main dealer price
the pump should do 10 bar in 10 seconds a bad one is 5 bar in a minute. (there's a STAR test to check, always swap out the relay when a better pump goes in to help it switch reliably
I have Launch and I can do the test but because this problem I got multiple errors like (ECU connection) and some times it says the air pump is not working properly.
I am not sure how the the air pump was working before the winter when the line for the filter was not concocted at tall, it as hanging with the broken filter,
- for this connector I test it with my multi-meter and it shows short i am not sure if this connector should showing short or not
I mean the hoghlited area in the attachment
for the connector there is no part number on it I did search and feel that someone may need i, it cost about $5 and an wire maybe needed I did listed as well: here it is : Genuine Mercedes-Benz Pin Bushing Housing part number 2105402081
Mercedes Electrical Connector Genuine SKU 0005402305
Last edited by Meshaal Mouawad; 12-26-2019 at 11:38 PM.
look on parts drawings https://nemigaparts.com/cat_spares/e...71/63v/32/232/ part 900 $3.71
the pumps go wrong its a standard thing for these to have 3 or 4 in its lifetime, I needed one at 50k miles, whilst there a bloke came in and said he'd had 3 by 90k miles worst cars in the world -
Finally today after placing the connector The suspension works and everything is good.
for the part o mentioned above here it is:
- New Air Compressor Solenoid Vent Valve for Mercedes W220 W211 S Class Wabco Pump
this is my old filter and you can see it was totally damaged and the hole line that goes into the filter was broken and not connected at all and i still wonder how it was working for long time and then stopped at the winter.
12-23-2019, 06:37 PM
