Mercedes A-Class W169 Key Replacement Guide

Last updated: September 2026 · Verified against OEM part numbers

Compatible keys for Mercedes A-Class W169

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

What frequency is the Mercedes A-Class W169 key?

The Mercedes A-Class W169 key operates on 433 MHz. Frequency is fixed in the key hardware and cannot be reprogrammed — a key bought on the wrong frequency will not lock, unlock or start the car.

Which key fits my Mercedes A-Class W169?

The Mercedes A-Class W169 (2004-2012) uses the 433MHz 3 Button Smart Remote Key for Mercedes NEC Type. Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Mercedes A-Class W169 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 W169 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.

Related: All Mercedes keys · All guides · Key Finder

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