Just make sure the part you are buying is a genuine Bosch Part and not some cheap chinism counterfeit knockoff.
These are the part numbers you can Google.
IAP sensor – OEM part no.: 05101120AB (intake air pressure sensor on side of airbox)
air inlet air pressure comparator pressure sensor on the side of the air box;
sometimes referred to as the “Mercedes sensor”
• Bosch part no.: 0261230189.
• Mercedes OEM part no.: A0051535028
• Autozone part no.: 0261230189
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