The 2010–2015 GLC (incl. GLK) uses the same key setup, so everything on this page applies to those years too. The full picture is on the Mercedes-Benz GLC (incl. GLK) key guide.
2015 Mercedes-Benz GLC (incl. GLK): key facts
- Key type
- Smart / proximity key
- Push-to-start
- No
- Transponder chip
- DAS3/FBS3 (infrared rolling-code SmartKey)
- Programming
- EEPROM
- All keys lost
- We can originate new keys on site
GLK (X204) — covered under the GLC slug as its direct predecessor. The X204 shares the W204 C-Class FBS3 architecture (NEC-based EIS); Silca's Mercedes key-programming catalog lists the GLK X204 slot key as FBS3 with all-keys-lost support, and XTool's Mercedes all-keys-lost adapter lists the GLK as well, so specialist all-keys-lost via EZS password calculation is routine. We still re-confirm tool coverage per job.
Same key system as the 2010–2015 GLC
Mercedes-Benz kept the GLC's key system unchanged across 2010–2015, so everything about replacing a 2015 key — blanks, programming, and what happens if every key is lost — matches the rest of that run. The full year-by-year breakdown lives in our Mercedes-Benz GLC key guide.
What drives the price is the key type, whether you still have a working key, and where the car is parked. There's more on Mercedes-Benz programming in general on our Mercedes-Benz key page.
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Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.
Last updated 2026-10-11.