No, just somewhat irrelevant. The defeat device was installed on ICE engines to meet emissions and economy standards, standards which don't apply to electric cars. Since Telsa doesn't make any ICE cars, it's as easy to compare a bicycle to Volkswagen versus a Tesla. They're just in completely different conversations when it comes to emissions cheating, since they don't have any regulated emissions.
That was in 2018, for 700+K vehicles (Mercedes C-Class, Vito and GLC) .
They were caught again this April, with the same defeat device hidden in the GLK models.
>The country's vehicle regulator has begun a formal investigation after discovering a new device in the company's Mercedes-Benz model GLK 220 CDI, the Bild am Sonntag newspaper reported.