S 500 Coupe (140.070) V8-5.0L (119.970) (1995)
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Evaporative Emission Control Canister: Service and Repair
Activated Charcoal Filter Enlarged
Model 140 (USA)
Standard production breakpoints/Modifications/New features
Modified (less permeable) fuel system (phased-in as of 03/94). As a result fewer fuel vapors pass to atmosphere.
Modifications:
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Activated charcoal filter enlarged from 1.15 liters to 3.5 liters
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Diameter and material of connection hoses
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Vent valve (15 mbar) opens at a pressure of 10 - 20 mbar in fuel tank
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Air admission at activated charcoal replaced by air admission flap (A)
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O-rings for fuel gauge sender and fuel strainer