No. The problem is that the coils/connectors, etc. are unreachable without removing something. The WIS way is to remove the intake manifold. The internet method involves removing the air cleaner housing on the right side (easy) and the ECU and its mounting bracket plus disconnecting and moving various sections of wiring harness on the left side. This must take place before you can even see the coils. Trying to do that from underneath is not possible. I know the internet method sounds fairly easy, and in fact it may be the preferred method, but when you are in there it doesn't look so simple.

I tried to remove the bulkhead per WIS but it is really tough. I got all the fasteners out but trying to remove the wiring harness attached to it finally caused me to stop and assess. I cannot imagine a tech using this approach. Getting the fasteners back in really reinforced that opinion. I did all that just to see if it was doable before I actually bought parts, etc.

I've been working on M-B engines and cars since 1963 and always found them fairly easy if you have some patience. This - not so much.