Vangao472158

so i have a Mercedes Benz e63 amg w212 2012 i was driving it some day my friend behind saw whit puffs of smoke coming from my cars exhaust. during that time my engine is warm to temp. this doesn't happened at low rpm only when i rev the engine out the car will have a puff of white smoke. is this normal to have white smoke when have long rev then letting of the gas have white puff of smoke coming out. no coolant lost , only engine oil burning bit fast.

Mojo20032004

U answered your own question. Oil burning fast=smoke from exhaust. Pull plugs, investigate, get a compression and leak down test done to see condition of motor.

Rehabguy

I read your post and immediately reminded me of this bit on video below. Not the same car or engine but same symptom:

FFW to 15:29


Then found: Valve Stem Seals

I hope there is a simpler/cheaper explanation for what you have described. Please let us know when you figure out what's going on. GL.