Mercedes Comand - repair suggestions?

[AMG Merc]

Hi all

I've a W204 C class with the motorised Command/screen (I think, NTG4?) fitted. The screen is showing one vertical line of pixels.Some have suggested checking the connector so it could be a simple fix (not sure how to do this?).

Can anyone recommend a repairer/replacer - preferably London/SE please?

Cheers

[AMG Merc]

Thanks, I had Braybrooks on my list so your recommendation helps

[AMG Merc]

Thanks, Lightwater is closer