Error Code Help Needed
Thread Starter
Junior Member
Joined: Jan 2014
Posts: 35
Likes: 0
From: Louisville, KY
2003 E320 (W211) also starting to look for a CL55 or E55
Error Code Help Needed
I drive a 2003 E320 with 161XXX miles
I don't have any check engine lights on but I have 2 error codes
P0134 oxygen Sensor Circuit No Activity Detected Bank 1 Sensor 1
P0154 oxygen Sensor Circuit No Activity Detected (Bank 2 Sensor 1) Pending
So my question is what does "Pending" mean?
Do I need to replace both Sensors?
Also when I plugged in my engine reader my car came up as a 2003 E320 which is it but it also said it was a W210 does that change anything with it saying is a W210 instead of a W211?
I don't have any check engine lights on but I have 2 error codes
P0134 oxygen Sensor Circuit No Activity Detected Bank 1 Sensor 1
P0154 oxygen Sensor Circuit No Activity Detected (Bank 2 Sensor 1) Pending
So my question is what does "Pending" mean?
Do I need to replace both Sensors?
Also when I plugged in my engine reader my car came up as a 2003 E320 which is it but it also said it was a W210 does that change anything with it saying is a W210 instead of a W211?
MBWorld Fanatic!
Joined: Mar 2006
Posts: 3,254
Likes: 15
From: Louisiana
03 E500 and Corvette
O2 sensors are like spark plugs. They wear out and need to be changed. At 161,000 if you changed them (4) out it would be a normal maintenance issue and might clear your problem.
