Mechanic added oil additive without asking..

Joined
Mar 13, 2017
Messages
56
Location
Greece
Yesterday I took my W212 E220 Bluetec in for service. I always take my own oil with me (Mobil 1 ESP 5w30). The mechanic told me that he also added an oil additive to the oil for "better protection". I really don't like oil additives in my oil. I believe that it will mess with the oil formulation. The additive he used is the Nano-Motorinnenversiegelung FÖRCH https://www.foerch.de/product/0a814...75eba992/nano-motorinnenversiegelung-foerch-5. I have never heard of this company. Do you think it would be a waste to change the oil again?
 
I would have a talk with the owner of the shop, about adding things to the oil, you didn't ask for.
I am going to tell him next time.
It doesn't look to be the greatest additive but I'd run it to 5k and if you use these people again tell them up front not to add mineral oil to your oil..
Thats what I thought too. I know its most likely placebo but this morning the lifter tick that I have sometimes on cold start was much louder
 
Yesterday I took my W212 E220 Bluetec in for service. I always take my own oil with me (Mobil 1 ESP 5w30). The mechanic told me that he also added an oil additive to the oil for "better protection". I really don't like oil additives in my oil. I believe that it will mess with the oil formulation. The additive he used is the Nano-Motorinnenversiegelung FÖRCH https://www.foerch.de/product/0a814...75eba992/nano-motorinnenversiegelung-foerch-5. I have never heard of this company. Do you think it would be a waste to change the oil again?
I'd make them change the oil at their expense using the ESP 5w30 again.

Additizing oil without permission is a HUGE no-no. If someone brings you their own oil, HELLO that should tell you they have strong feelings about what goes in the crankcase, and anyone with a reasonable awareness of others should know not to even consider dumping in oil additive without specific approval.
 
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