So I have finally managed to get the German headlights and fog light configuration working with my UK car. For the benefit of any other expats attempting this procedure know this: you can mix and match ILS xenon headlights, you can reuse your UK controllers and bulbs. If you install the headlights and german rear left light neither will work...you must get the car's data card updated by MB. With this and the reprogramming it will work perfectly, I now have assymetric EU lights and ILS working on the right hand traffic mode. The left fog lights up, the right is off so you only need to replace the left-hand unit. Obviously for any Euro car being brought into the UK the same process will work in reverse but why would you? Your car is worth about 40% more in Europe! why did I do this? Look at my last sentence! My car in the same spec and mileage is worth about 18k more than I paid in the UK. The cost of the change was about 1600 euro using salvage lights from eBay (1800 each new). Absolutely worth it for the odd bit of hassle getting in a car park!! Cheers all