Still looking for the Electronics Troubleshooting Manual for a '90-'92 500SL (129.066).

Also, where is a good place to purchase the service manual for an R129? I tried buying one already, but it was incomplete and did not include any wire diagrams.

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1998 E320 Wagon

1992 300D 2.5 TURBO

1991 560SEL M119.960

1986 300SDL TURBO

1992 500SL Parts Car

1991 420SEL Parts Car