Mercedes-Benz 300b W186 Door Lock
New, used, or aftermarket – from sellers across Europe.
Parts availability
Hard to find – this is exactly what hank is made for!
Estimated price range
Widely available Limited Hard to find
Last updated: 08.08.2026, 11:42
Door Lock for your Mercedes-Benz 300b?
Create a parts request and we will automatically search the web for suitable offers. You'll receive the results by e-mail - free of charge.
In addition, sellers on hank can send you offers directly.
Prices from recent listings
| Source | Condition | Price (approx.) | Last seen |
|---|---|---|---|
| Markt | Unknown | 190.00 € | 2026-07-17 |
| Hartmann-parts | Unknown | 375.20 € | 2026-07-17 |
Indicative values only – current prices may vary.
Find Mercedes-Benz 300b W186 parts online
hank's free AI report searches specialized shops for Mercedes-Benz 300b W186 parts, including Cannstatt Classic Mercedes Parts, Hilton and Moss & partsformercedes-benz.com.
About this part
Door locks on your 300b W186 secure your vehicle via the central locking system, key fob and immobiliser. A faulty lock that won't engage or release properly compromises your vehicle's security.
Frequently asked questions
What should I check when ordering a replacement door lock for the Mercedes-Benz 300b?
Confirm the door position (front/rear, left/right) on your 300b W186 and whether you need just the lock actuator or the complete lock assembly including the cylinder.
Can I replace just the lock actuator?
On most vehicles yes – the actuator motor can be replaced without changing the entire lock. This is often the more affordable fix when the mechanical lock still works.
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