SLK R170 no longer locking.

[WaqarRathore]

Hi everyone.
The central locking on my R170 has become intermittent/stopped working. I can hear the pump going off whenever I open the door but it no longer locks the car every time.
The alarm still activates and I can use the key to lock it. Any pointers to where to start looking?

 

[SLKNick]

Pre-2000 models use a vacuum system for the central locking of the doors. Check for broken connections and pipes (should be yellow) particularly where they are subject to movement where they enter the doors by the hinges.

 

[WaqarRathore]

Thanks. Its a 2002 model and its only the driver's side thats got the issue, still locks the boot and passenger side. I'll have a look.

 

[cncncn]

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[oldguy57]

^^ Spam?

 

[ahok19]

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