The Volvos in my signature have mileage of: 243k, 233k, 212k, 115k for ones we will keep. The Mercedes has 151k.
With meticulous maintenance and preservation of the bodies I see no reason why they will not outlast us.
I have used Pentofrost NL for over 15 years on our Volvos and Mercedes. Flushed every 24 months or 30,000 miles with Liqui-Moly radiator cleaner followed by new coolant and distilled water. Plus a radiator cleaning every year.
You don’t need to over think this. Just use the specified...
Prior oil was a bulk semi-syn 5W30 changed every 3-4 miles. Local travel only.
It was my Dad’s car. He was a depression era person and saw what $0 in the bank looks like. Frugal beyond comprehension.
Hence, lots of varnish and some sludge.
I inherited the car with 111,xxx miles and did a...
Like my 1992 Mercedes Benz 300D 2.5 turbo.
Stunningly well engineered.
Drive it as hard as you want all day long. With the proper fluids and meticulous maintenance it will run a very long time.
2000 Volvo V70, 115,400 miles, First run of European Spec oil with HPL EC 30
Mobil 1 0W40 + HPL EC 30
3,200 mile OCI
Clearly there is a lot of cleaning going on.
I will change the filter at 2,500 miles instead of 5,000.