Bluish smoke all time after engine warmed

2000 MERCEDES BENZ E320
206,000 MILES • 3.2L • 6 CYL • TURBO • 2WD • AUTOMATIC
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MOHAMMAD MOHSIN MOHD SIDEK
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The car listed above is a diesel, w210 e320 cdi. Just did overhaul a month ago. Tested atscan all 6 chamber pressure good and similar, no leaking of coolant and engine oil level okay. EGR and EGR valve good n cleaned, turbo good n cleaned.
Reason for overhaul, engine oil pump stuck and jammed after adding a stop leak. I wrongly add whilst engine not hot during changing engine oil.
After overhaul, starting good, but still using old glow plugs.
Whilst driving I hardly don't see blue smoke. On accelerating only see a puff of black smoke.
Any advice please. Tq

Additional information: during overhaul, 1 of the conrod found a bit sticky but was make good. Exhaust and inlet camshaft was polish and make good also.
Dec 7, 2019 at 1:27 AM
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STRAILER
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Hello,

When you say overhaul did you have the block re-machined and new pistons installed? If so are the piston rings installed correctly? Here are two guide to help us see whats going on:

https://www.2carpros.com/articles/replace-engine-piston-rings

and

https://www.2carpros.com/articles/blue-smoke-from-engines-exhaust

Please run down these guides and report back.
Dec 8, 2019 at 2:31 PM