Easy oil solenoid mod for increased oil flow
Junior Member
Joined: Apr 2023
Posts: 50
Likes: 19
From: Cedar Mill, OR
C450 AMG
Taped over both connector & receiving port, with zip tying the connector to the IC hose. Pretty simple. It took them more time to remove and re-install the belly pans/shrouds. The tech asked me to verify the plug/connector before we pulled it...dropped the car down to verify with the scan tool...ta-da~
I guess I should execute the cooling mod next...
I guess I should execute the cooling mod next...
Last edited by SizzlCheez7; Jun 14, 2024 at 05:40 PM.
MBWorld God!
Joined: Dec 2019
Posts: 32,222
Likes: 6,281
Taped over both connector & receiving port, with zip tying the connector to the IC hose. Pretty simple. It took them more time to remove and re-install the belly pans/shrouds. The tech asked me to verify the plug/connector before we pulled it...dropped the car down to verify with the scan tool...ta-da~
I guess I should execute the cooling mod next...
I guess I should execute the cooling mod next...
MBWorld God!
Joined: Dec 2019
Posts: 32,222
Likes: 6,281
Looks like no one had performed this mod on the M177 yet: https://forms.office.com/Pages/Analy...g1Mkw1WkJVNS4u
Newbie
Joined: Jan 2025
Posts: 6
Likes: 0
From: Austin, TX
2016 C450 AMG; 2026 Tesla Model Y Launch Edition
Just did this
Just joined this forum this week.. Came across this thread and did it today. I just took it to my mechanic and had him do it since I don't have a jack to get under my car.
I forwarded this thread to them and they agreed to do it. Quick one hour in and out, no issues!
Thanks to everyone for the information! I'll follow up with anything noteworthy.
I forwarded this thread to them and they agreed to do it. Quick one hour in and out, no issues!
Thanks to everyone for the information! I'll follow up with anything noteworthy.
MBWorld God!
Joined: Dec 2019
Posts: 32,222
Likes: 6,281
Just joined this forum this week.. Came across this thread and did it today. I just took it to my mechanic and had him do it since I don't have a jack to get under my car.
I forwarded this thread to them and they agreed to do it. Quick one hour in and out, no issues!
Thanks to everyone for the information! I'll follow up with anything noteworthy.
I forwarded this thread to them and they agreed to do it. Quick one hour in and out, no issues!
Thanks to everyone for the information! I'll follow up with anything noteworthy.
MBWorld God!
Joined: Dec 2019
Posts: 32,222
Likes: 6,281
@Ginco OP, are you interested in this mod as well? https://mbworld.org/forums/mercedes-...s-voltage.html
MBWorld God!
Joined: Dec 2019
Posts: 32,222
Likes: 6,281
Taped over both connector & receiving port, with zip tying the connector to the IC hose. Pretty simple. It took them more time to remove and re-install the belly pans/shrouds. The tech asked me to verify the plug/connector before we pulled it...dropped the car down to verify with the scan tool...ta-da~
I guess I should execute the cooling mod next...
I guess I should execute the cooling mod next...
MBWorld God!
Joined: Dec 2019
Posts: 32,222
Likes: 6,281
@jonathan358 Don't forget about the ALT-LIN as well: https://mbworld.org/forums/mercedes-...s-voltage.html
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MBWorld God!
Joined: Dec 2019
Posts: 32,222
Likes: 6,281
MBWorld God!
Joined: Dec 2019
Posts: 32,222
Likes: 6,281
no one did it on the M177 yet, however, someone is considering it: https://mbworld.org/forums/c63-c63s-...-solenoid.html
Joined: Nov 2016
Posts: 7,847
Likes: 3,496
From: Maryland
2015 SL400 (M276 Turbo), 2014 C350 Sport (M276 NA), 2004 SL500 (M113), 2004 Audi TT225 (BEA)
It should be noted that the two stages of the oil pump are NORMAL pressure and LOW pressure. There is no HIGH pressure stage. I know this is nitpicking, but important to understand. The failsafe is that the solenoid defaults to NORMAL pressure if it malfunctions as long as the malfunction is not caused by debris in dirty oil (i.e., long change intervals). Since the default is NORMAL pressure (that is based on engine rpm), arguments that the so called "high pressure" overly stresses the oil pump are unfounded and merely someone's contrarian viewpoint.
Last edited by JettaRed; Feb 12, 2025 at 07:21 PM.
MBWorld God!
Joined: Dec 2019
Posts: 32,222
Likes: 6,281
It should be noted that the two stages of the oil pump is NORMAL pressure and LOW pressure. There is no HIGH pressure stage. I know this is nitpicking, but important to understand. The failsafe is that the solenoid defaults to NORMAL pressure if it malfunctions as long as the malfunction is not caused by debris in dirty oil (i.e., long change intervals). Since the default is NORMAL pressure (that is based on engine rpm), arguments that the so called "high pressure" overly stresses the oil pump are unfounded and merely someone's contrarian viewpoint.
