2017 GLS550 148k Service
Re: 2017 GLS550 148k Service
I need to revisit this. I was remembering a combo of my S550 and E63. They both have the centrifuge cover that can leak. The M278 has the vacuum pump. I don't remember if it has cam inspection covers.
Re: 2017 GLS550 148k Service
Now we know it does. Common issue.kevm14 wrote: Wed Jul 16, 2025 4:24 am I need to revisit this. I was remembering a combo of my S550 and E63. They both have the centrifuge cover that can leak. The M278 has the vacuum pump. I don't remember if it has cam inspection covers.
Re: 2017 GLS550 148k Service
That thing I said.kevm14 wrote: Tue Jul 15, 2025 3:41 pm Oh, rear. That's different.
Most common would be centrifuge cover (pass side) and there are two other rear cam inspection covers that are plastic and just snap on. Also take a look at the vacuum pump (driver's side). If the centrifuge cover and cam covers are original they are overdue.