[Fixed] Looking for a way to read my Mercedes Benz GLA Class's transponder code

1387 views - Last reply: April 08, 2025
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How do I obtain the key code to program a Mercedes Benz GLA Class key fob?

Hello! We've developed a VIN-based tool to help you get your key code for the Mercedes Benz GLA Class. Check it out here: VIN Key Code Generator.

Replies (5)

I’ve been locked out of my Mercedes Benz GLA Class all week. Hope this helps.

My Mercedes Benz GLA Class's key code has been a nightmare. Trying this now.

This forum is more helpful than my dealer. Thanks from a Mercedes Benz GLA Class owner.

I tried this with my Mercedes Benz GLA Class but still no luck. Any suggestions?

Good luck to everyone dealing with Mercedes Benz GLA Class key issues!

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An anti-theft system that prevents the engine from starting unless it detects the correct transponder chip in the key. The chip sends a unique code to the car's computer when you turn the ignition. No match = no start, even with a physically matching key.
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This means your car's immobilizer system can't read the key's transponder. Causes: dead key battery, damaged transponder chip, faulty car antenna ring around ignition, or system needs resetting. Try replacing the battery first.
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