w124 electrical fault

I am slowly going through my "new to me" 320 coupe.The bulb has gone on the N/S heater vent. I can see the four clips lifting these does not help and they do not seem to depress. I can see plasic lugs on the righthand side of the vent. Do these hold the lamp holder? I removed the glove box...

Afternoon chaps, I'm at my whits end and am looking for some help. I've a previously very reliable 1995 e220 w124 with 135k on the clock with what i reckon must be an intermittent fault which is causing the battery to run completely flat. The history is as follows - During the cold snap...