Part number needed please: 02/Lambda sensor pre-cat

Lord_Lucan

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No longer own a Mercedes Benz
Hi All,

I need to find a replacement 02/Lambda sensor for my vehicle (see sig): for bank 1 sensor 1 which is upstream/before the cat. I can see one on euro car parts but it's branded "ERA" whom I've never heard of and so I'm quite dubious as to it's quality.

To add context this is to hopefully rectify P0132 error code.

I've read where members have used a Bosch part successfully but I cannot find a part number to go by.

Any help would be appreciated. Thanks.
 
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