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-   -   420SEL Crankshaft Position Sensor (https://www.benzforum.com/forum/diy-tech-help/36567-420sel-crankshaft-position-sensor.html)

Alex Romanov 04-17-2019 06:57 PM

420SEL Crankshaft Position Sensor
 
Hey guys, I've been on this forum previously finding answers related to my 300SD and 300D. Recently I purchased a 420SEL with a bad CPS. I found one in good shape at a junkyard I'm just not sure how to disconnect it from the engine block as it seems the wore goes down pretty far. I already have it loose I just don't know how to get the second connection point out from underneath the car/ what the best method is.

RedLiner 04-18-2019 02:30 AM

Usually the CPS just pulls out once the retaining bolt is removed.

You do not have the model and year in your user profile, this would help a lot to know if it is a W116 or W126 ?

Alex Romanov 04-20-2019 02:36 PM

it's a 1989 I got the sensor out but I'm not sure where to get a new one without breaking the bank everywhere I look there around $400

RedLiner 04-20-2019 05:21 PM


Alex Romanov 04-20-2019 05:23 PM

that's different than the one that's in my car. The one I removed has some sort of bracket that mounts it to the engine block-- the end that connects to the engine isn't 3 pronged. Thank you though.

RedLiner 04-21-2019 02:43 AM

Is there a part number on the CPS? If yes, google the part number and it should come up with outlets where to buy and prices.

Noodles 04-21-2019 07:52 PM

Please take a look at these options.

https://www.partsgeek.com/mmparts/cr...es/420sel.html


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