Is one or both of the low-beam headlights burnt out? 1985 Mercedes Benz 300D headlight bulb replacement: Purchase the correct replacement headlight bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the headlight bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
3300 lbs.
Double check fuse #11 & 13 . Replace those and problem should go away.It worked for me
Right hand side of bell housing.
It would have OBD I, if it has a computer at all.
Yes, a Mercedes 300D has a fuel tank.
my 1985 holds 18 gallons!
need to replace them with new ones
To the left of the brake pedal on the side kick panel (it is a curved lever and it is not marked)
im sure it is a signal relay that's what it was in my 300d
what is the queston about it?
yes
yes, if the fuel filter is clogged causing high back pressure on the fuel return it can pop off the injector fuel return lines [bypass hoses]