E200 CDI O2 Oxygen Lambda Sensor - Mercedes / Bosch Part number?

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mubashar.ahmed

New Member
Joined
Jun 22, 2017
Messages
26
Car
E200 CDI 2011 W212
I have got an error indicating:

Error: O2 Sensor circuit slow response Bank 1 Sensor 1 (Upstream / Pre-cat) signal rate of change below threshold.

Anyone able to assist me with getting the Mercedes / Bosch part number please?

Vehicle details: 2011 E200 CDI (no stop / start)

Chassis number: WDD2120052A415442

Engine: OM 651

Any assistance / guidance highly appreciated.
 
A0075420218 - 'Control Probe in front of Catalyst'
 
A0075420218 - 'Control Probe in front of Catalyst'


That is extremely helpful. I am ever so grateful.

Any chance you might have some insight into details of location of said pre-cat / upstream O2 sensor? DIY to replace?
 
No. 230 in the picture

8015ce3540052e591777a25ef7c646ab-480x366.gif
 
Thanks again for the diagram. In term of location, is this situation on the about lower middle of the drivers side (near to the front off-side wheel)?

Thanks to your help, I managed to order the needed Bosch part from eBay for £70. Mercedes were all to happy to sell the same part to me for £266.40! And of course, they would strictly not give me the part number.

Would love to know how one can obtain a reference source of part numbers for my car.
 

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