E 420 (210.072) V8-4.2L (119.985) (1997)
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Climate Control Exhaust Gas Sensor: Locations
Illustration on vehicle up to May 31, 1998
The smog sensor (B31) is located in the engine compartment at the right rear next to the air inlet.
Illustration on vehicle as of June 1, 1998
The smog sensor (B31) is located in the engine compartment at the right rear next to the air inlet.
