What used to be here?

[MattFatPanda]

Hi all, could anyone shed some light on what might have been originally plugged into this? S124 300TE 4Matic.

Thanks!

 

[Will]

Scorpion alarm

 

[MattFatPanda]

Scorpion alarm

Thanks! Would this have been factory fit, or added in later?

 

[Will]

Thanks! Would this have been factory fit, or added in later?

Dealer fit in UK before delivery.