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Audi S6 Key Replacement

Audi S6 keys date back to 1997 and span 2 key systems across the model’s generations — transponder; flip remote. DFW Keys 4 Cars cuts and programs every one of them at your location anywhere in Dallas–Fort Worth, 24/7 — spares, all-keys-lost, fobs and lockouts. Call (214) 717-6398.


About S6 Keys

Verified key reference for the Audi S6 — model years, key types, and the transponder/immobilizer each generation uses. Boundary years can overlap; we confirm the exact part by VIN before dispatching.

Model / GenerationYearsKey TypeTransponder / ImmobilizerBlade / FCC
A6 · S61997–2004TransponderMegamos Crypto ID48HU66
A6 · S6 (C6 4F)2004–2010Flip remoteSokymat Crypto 8E (ID8E)HU66

Security System & Immobilizer

Audi spans Megamos ID48, the 8E era, Hitag-extended precoded keys, and Megamos AES on MLB/MQB platforms.

On the S6 specifically we see: Megamos Crypto ID48, Sokymat Crypto 8E (ID8E). A correctly cut but unprogrammed key turns the locks and never starts the engine — programming is the half of the job that matters.

Which key does your year have?

  • 1997–2004: Transponder — Megamos Crypto ID48 (HU66)
  • 2004–2010: Flip remote — Sokymat Crypto 8E (ID8E) (HU66)

Our S6 Key Services


Audi S6 Key FAQ

I lost the only key to my S6. What now?

We come to the vehicle, verify ownership, cut a new key from the VIN, and program it on-site — no tow, no dealer wait.

Will a hardware-store copy start my S6?

On transponder-era cars it opens doors and nothing else — the chip must be programmed to the immobilizer, which is what we do curbside.

How fast can you reach my S6 in DFW?

We dispatch the nearest mobile unit metroplex-wide, 24/7 — call (214) 717-6398 for an honest ETA.