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sprinkles08, ASE Certified Technician
Category: Mercedes
Satisfied Customers: 21410
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Passion: my 2008 smart has 110,000 miles, has recently started

Customer Question

my 2008 smart has 110,000 miles, has recently started to smoke badly. Gets worse as the car gets warm. Compression is 95 across the line.
Submitted: 6 months ago.
Category: Mercedes
Expert:  sprinkles08 replied 6 months ago.
Hello and welcome to Justanswer!Unfortunately the smoking is most likely related to the low compression. The minimum compression spec for this engine is 160 PSI.It's possible that the low compression is due to valve leakage but that wouldn't explain smoking. I'm assuming it's oil smoke you're seeing and are using some oil.Have you tried a wet compression test to see if the numbers would increase?