Hi,
That's actually an old Mercedes engine under an MTU Badge.
MTU would be happy to tell you what needs doing and when.
You don't have to use them of course unless there is a warranty which I doubt on those girls. You can just use them for "manufacturer" support.
"MTU that solid Swedish Company"
This looks like the Head Office Service contact in the USA.
MTU North America c/o MTU Detroit Diesel
13400 Outer Drive West
DETROIT, MI 48239-4001
USA
Tel. +1 313 592 7396
Fax +1 313 592 3875
Email:
Janice.Vest@mtu-online.com