unplugging m177 oil solenoid

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Oct 5, 2025 | 12:02 AM
  #51  
Quote: Any updates since you’ve posted this? How’s the car?
10k miles later, car never skips a beat. I beat the crap out of it nearly every single day too. Not stock either (intakes, upgraded turbos, catless dps, NGK plugs, custom tune). Frequent oil changes help too.
Reply 2
Oct 6, 2025 | 09:57 PM
  #52  
Quote: Thank you for your reply! This is really helpful to me. This fault is not common in China. When I search for this fault on search engines in my country, there's very little information. Many repair shops say this fault is fatal and must be replaced. I think they're making such comments to make money. Now I've decided to ask a tuner to code the CEL. Thank you!
how is your car? Running fine? I’m decoding mine right now.
Reply 0
Mar 27, 2026 | 02:38 AM
  #53  
GLE63s M177 oil solenoid
Hello,

I Have GLE63s 2021 with the M177 LS2 engine, couple of days ago I got the CEL and the code P06DA00.
I performed some measurements with a mechanical pressure gauge connected to the oil filter housing and got the following results:
Cold start (oil temp 12° c) - 4bars it started to drop with 0.2bars and every 10°c of the oil temperature.
Warm idle 90°c-1.4 bars
2-3k RPM - 3.8-4 bars
Over 3k RPM - 4 bars
Those measurements are with deactivated pressure valve.
According to MB with a normal working pressure valve the values at 100° c engine oil should be at:
idle 0.9-1.5 Bars
2k RPM 1.9 -2.3 bars
4k RPM 3.7-5.2 bars

what do you guys think about the data above, should I Leave like it is?
Reply 0
Mar 27, 2026 | 03:24 AM
  #54  
personal decision time
Quote: Hello,

I Have GLE63s 2021 with the M177 LS2 engine, couple of days ago I got the CEL and the code P06DA00.
I performed some measurements with a mechanical pressure gauge connected to the oil filter housing and got the following results:
Cold start (oil temp 12° c) - 4bars it started to drop with 0.2bars and every 10°c of the oil temperature.
Warm idle 90°c-1.4 bars
2-3k RPM - 3.8-4 bars
Over 3k RPM - 4 bars
Those measurements are with deactivated pressure valve.
According to MB with a normal working pressure valve the values at 100° c engine oil should be at:
idle 0.9-1.5 Bars
2k RPM 1.9 -2.3 bars
4k RPM 3.7-5.2 bars

what do you guys think about the data above, should I Leave like it is?
You can make up your mind by reviewing pros and cons from before and now after.
Reply 0
Mar 27, 2026 | 09:33 AM
  #55  
Quote: Hello,

I Have GLE63s 2021 with the M177 LS2 engine, couple of days ago I got the CEL and the code P06DA00.
I performed some measurements with a mechanical pressure gauge connected to the oil filter housing and got the following results:
Cold start (oil temp 12° c) - 4bars it started to drop with 0.2bars and every 10°c of the oil temperature.
Warm idle 90°c-1.4 bars
2-3k RPM - 3.8-4 bars
Over 3k RPM - 4 bars
Those measurements are with deactivated pressure valve.
According to MB with a normal working pressure valve the values at 100° c engine oil should be at:
idle 0.9-1.5 Bars
2k RPM 1.9 -2.3 bars
4k RPM 3.7-5.2 bars

what do you guys think about the data above, should I Leave like it is?
Thanks for the insight. I would personally leave it as it is, even if you plan to keep the truck short term or long term. Repair cost is simply not worth it, especially in a 4matic vehicle. If your engine is stock or near stock, you'll be fine.

As stated above, I personally drive my non-stock car very hard. Engine might only last 100k miles, but I can live with that. I'll likely make sure the solenoid is deactivated in my next engine.
Reply 0
Apr 7, 2026 | 04:32 PM
  #56  
Quote: Any remote tuner would be able to code it out (PTG, ECC Tuned, etc.). I personally went through Weistec because they have an authorized dealer local to me. He was able to do it in minutes. https://www.weistec.com/storelocator...6mKK023Z7PX_Cf
I live in Las Vegas and no tuner would even do this
Reply 0
Apr 8, 2026 | 01:42 AM
  #57  
I fear that if the AMG engine developers could read this thread, they might choke on their dumplings at lunchtime.

I know engine rebuild guy , rebuilds M177LS1 often and that shows me allways there is no need to such (oil presure) fumble
on this oil system. 125.000 mi all is in best condition ( bearings, cylinder , piston etc). You can double check this by yourself @ YT Chanel shift 2 passion.
(use translator in YT)

Make oilchange every 1year/ ~6.000 mi with high quality oil , deaktivate start/stop automatik, no chip tuning , then M177 runs & runs …
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