A4477302902 MERCEDES DOOR LOCK, Price: 626.20$, Weight: 0.58kg


Make Number Name Availability Weight, kg Ship in, Days Price

MERCEDES

A4477302902

DOOR LOCK

0

0.58

2-3

626.20$

Not Available

Substitutions

Make Number Name Availability Weight, kg Processing, days Price  
MERCEDES
A447730290228 
DOOR LOCK
5
0.667
2-3
626.20$
 
MERCEDES
A4477301702 
DOOR LOCK
0
0.67
-
626.20$
Not Available

Reliable Door Latch & Lock Mechanism for Mercedes Vans

This door locking unit is a key safety and convenience component that keeps the door securely closed while driving and allows smooth locking/unlocking with the key, remote, or interior handle. It’s needed to prevent unwanted door opening, reduce wind noise, and protect your cargo and passengers 🛡️.

How It Works

Inside the assembly, a spring-loaded latch grabs the striker on the body. An internal actuator and linkage move the latch between lock and unlock positions. When you pull the handle or press the button, the mechanism releases the latch in a controlled way for clean door opening 🔧.

Signs of Failure

  • Door won’t lock/unlock, or works only sometimes
  • Handle feels loose, stiff, or doesn’t open the door
  • Random relocking, warning light, or central locking issues

If It’s Broken, What Happens?

A worn or jammed unit can leave the door stuck closed, or worse, not fully latched—creating a serious safety risk at speed. It may also drain the battery if the central locking keeps trying to actuate 🚨. Replacing it restores proper closure, security, and factory-like operation.