1992 MB 190e 2.6L

My locks don't work and I can only unlock from the passenger side door. The driver side feels gummy and the trunk does nothing. Any suggestions? Do you think it's the vacuum pump? Or, can I just install a wireless entry/iginition set up? Thanks in advance! MW

Did you check the fuse?

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William
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1987 420 SEL - Like a fine wine only better with age

It is easy to pop out the rear seat bottom and inspect the pump for operation. Without a functioning power door lock circuit, keyless entry can't function either. The pump CAN fail, but other common causes are leaky vacuum system or worn out lock actuators.

Steve

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'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7