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2.5 16V 190E
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Discussion Starter · #1 ·
Can anybody please tell me where to locate the O2 sensor on the 2.5 16V? Thanks
 

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'85 2.3-16 '99 C280 '11 GLK350
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4,804 Posts
For Kat equiped 16 valves, the threaded bung hole for the sensor is at the end of the exhaust manifold (header).
 

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00 W202, 04 955 S, 08 e90
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1,704 Posts
underneath... it should have about three wires.
 
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