Guide · Mercedes

Mercedes A Class Key Replacement Guide

Last updated: August 2026 · Verified OEM part numbers

Quick answer: The Mercedes A Class (2011-2017) uses the Changeable Frequency 3+Panic Button CGDI MB Key for BGA Type — verified against OEM part numbers. See the full compatibility table below.

Which Mercedes A Class key fits your vehicle?

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Compatible keys for Mercedes A Class

Years	Key
2011-2017	Changeable Frequency 3+Panic Button CGDI MB Key for BGA Type
2011-2017	XNBZT1GL Changeable Frequency 3+Panic Button VVDI BE Key (No Token) for BGA Type
2011-2017	XNBZT1GL Changeable Frequency 3 Button VVDI BE Key (No Token) for BGA Type
2011-2017	Changeable Frequency 3 Button CGDI MB Key for BGA Type
2011-2017	XNBZ01 Changeable Frequency 3+Panic Button VVDI BE Key (With Token) for BGA Type
2011-2017	XNBZ01 Changeable Frequency 3 Button VVDI BE Key (With Token) for BGA Type

Before you order

Match the year range — Mercedes changed key systems across model years. Check your registration year.
Check your current key — the OEM number printed on your key matches the table above.
Programming — smart keys need a compatible programmer (Xhorse, VVDI, Autel). We can advise which one works for each key.

Frequently asked questions

Which key fits my Mercedes A Class?

The Mercedes A Class (2011-2017) uses the Changeable Frequency 3+Panic Button CGDI MB Key for BGA Type. Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Mercedes A Class keys wholesale?

Yes. We supply locksmiths and key distributors at wholesale prices with MOQ from 5 units. Message us on WhatsApp for today's price list.

Can a Mercedes A Class key be programmed without the dealer?

In most cases yes, using tools like Xhorse, VVDI or Autel. We can advise the right programmer for each key SKU.

Ready to order a Mercedes A Class key?