M103 won't accelerate
 

Got another project, an 1986 300e with a M103 engine, the problem is that it won't accelerate, it will idle fine but when you try open the throttle it seems to stall, I'm not very familiar with this type of injection system so maybe one of the gurus on here I can help.

Link to YouTube video of the problem

Another project car? - you need to do some homework first and back to basics
AND provide some history on this w124.
GIGO ===> garbage in = garbage out.

Check coil and coil wires.
Fuel distributor could be nasty.

Start with you OVP first - swap with a known good one and no generic crap.
Generic parts/components on these is a no-no.