Is someone able to tell me what ratio of coolant /water I need to add to my
header tank to top it up?  The service manual states that 50% anti
free/corrosion inhibitor should be added so I am assuming the other 50% is
water - it doesn't explicitly say this. Also, does this need to ...

I'm new to this group.  I just bought a 1984 300sd this
week in very good condition except for one thing.
When driving last night, the drivers seat started moving
all by itself.  All the way back, then scrunching me toward

I'm in the process of replacing the ignition lock housing.  I've done
most of the work (as you can see from picture) but I cannot remove the
wire harness.  I've tried pulling with a pair of pliers with no
success.