How to do a coolant change on the M110 engine
Changing the coolant should be done every two years or so, to keep sediment buildup inside the radiator and engine block. It is one of the most easy things you…
How to change engine oil and filter in OM617 engine
This is one of the first things you will perform when learning to DIY your car. Changing engine oil is easy and satisfaction is high when you know you performed preventative…
How to service your Sunroof (manual) on W123
Sun is shining and the car has been standing all day in the heat, you open the door and when the extreme desert heat punches you in the face like a…
How to Adjust the Valves on a Diesel 617-engine
The valves should be adjusted at regular intervals every 15.000-20.000km to be at peak performance and save on fuel economy. These old engines for the W123s don’t have automatic valve…