Oil pump solenoid - disconnect?
Super Member
Joined: Jul 2006
Posts: 887
Likes: 94
Multiple
@skiracer welcome to the community. Just joined and already looking at mods, I love it!!!! We need more guys like you.
I am intrigued and willing to try it. I looked in engine bay and in W463 M157, I can't see or locate the solenoid at the 7'o clock position from crank from above or from the side. At a minimum, front skid plate needs to come off or radiator fan needs to come out.
If you have success locating and getting access to connector, post up here.
I am intrigued and willing to try it. I looked in engine bay and in W463 M157, I can't see or locate the solenoid at the 7'o clock position from crank from above or from the side. At a minimum, front skid plate needs to come off or radiator fan needs to come out.
If you have success locating and getting access to connector, post up here.
Super Member
Joined: Jul 2006
Posts: 887
Likes: 94
Multiple
OK @skiracer I did this yesterday. Solenoid is easily accessible at the front of the motor, you have to do it by feel as its not visible. Taped it up and drove about 800 miles since then.
I am a fan. Car seems much smoother. Transmission seems to hold gears in comfort just a bit longer which is very nice. No idea about long term effects (so much literature on this subject on youtube), but I definitely subscribe to the pleasant butt dyno effects of this simple mod. I plan to keep getting my oil tested through blackstone so I will keep an eye on any change.
I am a fan. Car seems much smoother. Transmission seems to hold gears in comfort just a bit longer which is very nice. No idea about long term effects (so much literature on this subject on youtube), but I definitely subscribe to the pleasant butt dyno effects of this simple mod. I plan to keep getting my oil tested through blackstone so I will keep an eye on any change.
MBWorld God!
Joined: Dec 2019
Posts: 33,393
Likes: 6,623
OK @skiracer I did this yesterday. Solenoid is easily accessible at the front of the motor, you have to do it by feel as its not visible. Taped it up and drove about 800 miles since then.
I am a fan. Car seems much smoother. Transmission seems to hold gears in comfort just a bit longer which is very nice. No idea about long term effects (so much literature on this subject on youtube), but I definitely subscribe to the pleasant butt dyno effects of this simple mod. I plan to keep getting my oil tested through blackstone so I will keep an eye on any change.
I am a fan. Car seems much smoother. Transmission seems to hold gears in comfort just a bit longer which is very nice. No idea about long term effects (so much literature on this subject on youtube), but I definitely subscribe to the pleasant butt dyno effects of this simple mod. I plan to keep getting my oil tested through blackstone so I will keep an eye on any change.
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Thread Starter
Newbie
Joined: Mar 2024
Posts: 12
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E400 wagon
OK @skiracer I did this yesterday. Solenoid is easily accessible at the front of the motor, you have to do it by feel as its not visible. Taped it up and drove about 800 miles since then.
I am a fan. Car seems much smoother. Transmission seems to hold gears in comfort just a bit longer which is very nice. No idea about long term effects (so much literature on this subject on youtube), but I definitely subscribe to the pleasant butt dyno effects of this simple mod. I plan to keep getting my oil tested through blackstone so I will keep an eye on any change.
I am a fan. Car seems much smoother. Transmission seems to hold gears in comfort just a bit longer which is very nice. No idea about long term effects (so much literature on this subject on youtube), but I definitely subscribe to the pleasant butt dyno effects of this simple mod. I plan to keep getting my oil tested through blackstone so I will keep an eye on any change.
Happy driving - cheers!
Jim
Newbie
Joined: Jul 2021
Posts: 4
Likes: 0
w211 e55 w220 s55
M157 oil pump solenoid mod
I recently disconnected the oil pump solenoid on my 2012 e63 the car seems to run significantly better but I have gotten a ad a quart of oil like three times and I pull over wait 30 minutes to check the oil and the oil level seems to be fine. I’m just curious if anybody else has ran into this after the oil pump solenoid modification/disconnecting in M157 car
Super Member
Joined: Jul 2006
Posts: 887
Likes: 94
Multiple
I recently disconnected the oil pump solenoid on my 2012 e63 the car seems to run significantly better but I have gotten a ad a quart of oil like three times and I pull over wait 30 minutes to check the oil and the oil level seems to be fine. I’m just curious if anybody else has ran into this after the oil pump solenoid modification/disconnecting in M157 car
I switched to 5-40 and has never happened again.
My guess is that the higher flow at idle and thinner oil may have thrown the oil level sensor.
