Mercedes A-Class Rear Backrest Lock — safety and convenience
This Mercedes A-Class rear backrest lock makes it easy to lock the rear bench seat, securing the boot and preventing unwanted seat movement. A backrest that no longer locks means a Mercedes A-Class rear bench seat that slams on braking, luggage invading the cabin and a compromised technical inspection: this small, discreet part restores your vehicle's original safety and silence.
A design tailored for your Mercedes A-Class, CLA and GLA
This locking device uses the original dimensions of the W176 and W117 trim, making it compatible with the A-Class, CLA and GLA models built on the same platform. The Mercedes A-Class rear seat regains a firm, secure fit identical to factory standards, with no play or unwanted noise — and folding down the bench seat remains as simple as it was originally.
Technology, quality & finish
Made from a reinforced composite resistant to repeated use, with a reliable mechanism for firm, long-lasting locking of the rear backrest. Every opening and closing cycle produces the clear click expected from a high-quality, equivalent original part, even after years of daily loading.
- Securely locks the bench seat — no more backrests tilting forward when braking
- Equivalent original part — designed to match the dimensions of parts 1769209300 / 1769209400
- Three configurations available — left side, right side or complete pair
- Compatible with Mercedes compact platform — A-Class W176, CLA W117 and GLA
- Durable reinforced composite — withstands repeated daily use
Installation on your Mercedes A-Class, CLA or GLA
Direct replacement of the original part referenced 1769209300/1769209400, available for the left side, right side or as a pair; check your vehicle's configuration before ordering. The replacement is carried out on the backrest trim without major work — an accessible repair that avoids a costly workshop visit.
Why won't my rear bench seat lock anymore?
On this generation of A-Class, CLA and GLA models, the original plastic lock eventually wears out or breaks from repeatedly folding down the Mercedes rear seat to load the boot. As a result, the backrest no longer locks or releases on its own. Replacing the defective lock with this part, which matches the original dimensions, solves the problem permanently.
Why order your Mercedes backrest lock from Becquet Voiture?
Becquet Voiture, a French specialist in automotive parts and accessories, selects verified equivalent original parts reference by reference, with French-language customer support to confirm compatibility before purchase. You repair your Mercedes at a fair price without compromising on quality.
Secure your boot with this equivalent original lock: order the configuration you need today.
Type: Rear seat backrest lock
Compatible make / model: Mercedes A-Class W176, CLA W117, GLA
Years: Depending on version
Material: Reinforced composite
Equivalent reference: 1769209300 / 1769209400
Position: Left, Right or Left and Right
Installation: Direct replacement of the original part
Condition: 100% New
Main function: Secures the rear bench seat backrest
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