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Guide · Updated October 23, 2026

VW and Audi immobilizers, by platform

VW Group changed key systems with platforms. Knowing yours tells you how long a key takes.

Short answer
  • Cluster cars (most VW and older Audi to the mid 2010s): data in the instrument cluster.
  • MQB (Golf 7 on, Jetta 2019 on, Atlas, Tiguan 2018 on, Audi A3): newer immobilizer.
  • MLB (Audi A4/A5 B8, Q5 8R, A6/A7 C7, Q7 4M): body module that often needs a read.
  • MLB evo (newest Audis): case by case.

Cluster cars

The cluster holds the immobilizer data. Swapping a used cluster without transferring data leaves the car unable to start.

MQB

Common on VWs since the mid 2010s. More steps than older cars, done at the car.

MLB

Mostly Audi. The key data is in a body module; for all keys lost it's often read on the bench.

Written by Key Monkey, European car key specialist in Marietta, GA. Updated October 23, 2026.

FAQ

Questions on this topic

Is my 2019 Jetta MQB?

Yes.

Is a 2013 Q5 MLB?

Yes.

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