1980 to 1991 W126 Mercedes Sedans: Why Most of the Door Lock Systems Don't Work?

They have power door locks but all have failed. Where has the power gone?? I explain more in this video

For complete Step-by-step procedures to show you how to isolate and fix those malfunctioning door locks CLICK HERE

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Problem & Solution

They have power door locks but all have failed. Where has the power gone?? I explain more in this video

For complete Step-by-step procedures to show you how to isolate and fix those malfunctioning door locks CLICK HERE