I'm in Canada. I say that because sometimes information can be different but I doubt it this time.

I just found out this morning there is a letter going out to affected owners about the recall on cars with the 48 volt system. It seems Mercedes has now discovered during the painting process many cars had the ground bolt connection painted which resulted in a poor or no connection when starting. We all knew about this a year ago but there is finally a recall. I talked to the dealer and they said they had been checking all cars that arrived at the dealership with the 48 volt system for ground connections paint issues. If there was paint, it was cleaned and corrected before the car was sold.

They said since they have been doing this for nearly 9 months now, they have not had one car back that wouldn't start.

So, I guess this is good news going forward and hoping Mercedes will correct this ground painting problem.

Such a small thing that has caused so much aggravation for owners who were affected.

I had a new battery part number put in before I took delivery and the grounds were checked and cleaned at that time and I have had no starting problems at all.

Thought I would share this.

Toban

Are 2020 models being recalled as well?

That’s great. It’s nice to see some recognition to this problem at last.

Toban

It's good to see a formal recall, although it might not be voluntary. Some manufacturers make every effort to handle known issues like this with TSB's, but when/if the issue is determined to be safety-related it falls into the category of recall. I can't speak to Canadian law, but the NHTSA has the authority to force a recall here in the US if the manufacturer doesn't do it voluntarily.

I have a 2020 and received this recall and the “Frozen Image on Camera while in Reverse” recall.

Both recalls were fixed in July and August this year.

My 2020 was checked for that 3 years ago when I had an issue; turned out to be software. Can’t believe they are still dealing with this!

Seems to not only be Mercedes, Audi has a TSB for 48V vehicles dying ranging from MY19-22. BMW has also recently adopted the 48V system and has had a few new X7’s with dying batteries/systems.

I haven't had any issues with my 2021. There was no mention of this during our service A few months ago.

Will all 48V owners get this recall?