Thanks Everybody here, it was indeed the OVP Relay, I was doing up the intake system with new parts as well (plastic, sensors and filter) and now the car HAULS.

Any comments on the performance decrease a blown OVP Relay sees and also its relationship to the MAS, ASR and ABS because when I bought the car a month ago and six idiot lights on and now have reduced it to ZERO. (Two this time, ASR and ABS).

As you can probably guess this is my first Mercedes-Benz. I'm feeling like a German villain from a James Bond movie.

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1991 300TE
2003 Volvo XC70
1995 Ducati 900SS
1969 Plymouth Barracuda
1963 Lincoln Continental
1948 Ford F1