06 E320 CDI "red reduce oil level message"
Thread Starter
Junior Member
Joined: Jul 2008
Posts: 68
Likes: 5
From: NC
1991 350SDL, 2006 E320CDI, 1999 F250 7.3L Crew Cab 4X4
06 E320 CDI "red reduce oil level message"
I am 600-700 miles since my last dealer performed oil change. Since that service I will get the "red reduce oil level" message on the display at random occurances, but only while interstate driving. After you clear it, it will not come back until the car sits for a while and sometimes appears on the return trip only one time. I check the oil level between the trip using the buttons on the wheel and it always states "oil level ok". The red message will not appear when driving rural and city driving. It will not appear every time on the interstate (3 out of 5 average). Does the stationary oil level check use the same sensor? If so, do I have a faulty sensor?
Member
Joined: Jan 2012
Posts: 244
Likes: 4
From: PA, USA
2004 E320 4matic Sedan
Take a look at this older diesel oil thread
I don't have a diesel, but I suggest you
a) Get a dipstick and check the level directly (or get your dealer to
b) read this thread and see that indeed a sensor can be the issue:
https://mbworld.org/forums/e-class-w...-dilution.html
a) Get a dipstick and check the level directly (or get your dealer to
b) read this thread and see that indeed a sensor can be the issue:
https://mbworld.org/forums/e-class-w...-dilution.html
Thread Starter
Junior Member
Joined: Jul 2008
Posts: 68
Likes: 5
From: NC
1991 350SDL, 2006 E320CDI, 1999 F250 7.3L Crew Cab 4X4
Vettdvr,
Would the red message appear only on the interstate with your car and did the oil level read ok when checked on level ground?
Would the red message appear only on the interstate with your car and did the oil level read ok when checked on level ground?
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