W126 Front Seats electrical adjustemt.pdf

82-0860 Electrical seat adjustment frontOperation no. of the operation texts and work unitsor standard texts and flat ratesA. Version without Memory function (position storage)a) Seat and backrest adjustmentWiring diagram 1st standard version1 Fuse holder2 Soldering point terminal 30 (fuse box)3 Door contact switch window lifter/seat adjustment4 Relay window lifter/seat adjustment (comfort circuit)5 Relay window lifter/seat adjustment (main relay)6 Switch seat adjustment (driver)7 8-conductor connector8 Motor group seat (driver)a Seat height frontb Seat forward/backwardc Seat height rear9 Motor backrest (driver)10 Switch seat adjustment (front passenger)11 8-conductor connector12 Motor group seat (front passenger)a Seat height frontb Seat forward/backwardc Seat height rear13 Motor backrest (front passenger)aTerminal block motor cable harnessbSwitch group window lifter leftcSwitch group window lifter rightM1 Main ground (behind instrument cluster)

Wiring diagram I19811 Fuse holder2 Soldering point terminal 30 (fuse box)3 Door contact switch window lifter/seat adjustment4 Relay window lifter/seat adjustment (comfort circuit)5 Relay window lifter/seat adjustment (main relay)6 Switch seat adjustment (driver)7 8-conductor connector8 Motor group seat (driver)a Seat height frontb Seat forward/backwardc Seat height rear9 Motor backrest (driver)10 Switch seat adjustment (front passenger)11 8-conductor connector12 Motor group seat (front passenger)a Seat height frontb Seat forward/backwardc Seat height rear13 Motor backrest (front passenger)aTerminal block motor cable harnessM1 Main ground (behind instrument cluster)Wiring diagram I 1982/831 Fuse holder2 Soldering point terminal 30 (fuse box)3 Door contact switch window lifter/seat adjustment4 Relay window lifter/seat adjustment(comfort circuit)5 Relay window lifter/seat adjustment (main relay)6 Switch seat adjustment (driver)7 8-conductor connector8 Motor group seat (driver)a Seat height frontb Seat forward/backwardc Seat height rear9 Motor backrest (driver)10 Switch seat adjustment (front passenger)11 8-conductor connector12 Motor group seat (front passenger)a Seat height frontb Seat forward/backwardc Seat height rear13 Motor backrest (front passenger)aTerminal block motor cable harnessM1 Main ground (behind instrument cluster)FunctionSeat adjustment is effected by means of a switchcombination arranged in the door trim panel.NoteThe wiring set is permanently connectedto the switch.

) Seat and backrest adjustmentSeat leftWiring diagram I 19841 Fuse holder2 Relay seat adjustment (main relay)3 Terminal block terminal 30 (fuse box)4 Door contact switch seat adjustment5 Relay seat adjustment (comfort circuit)8 Terminal block door contact switch9 Control unit seat adjustment10 Motor seat forward/backward M1VZ11 Motor seat height rear M2HH12 Motor seat height front M3HV13 Motor backrest L15 Switch seat adjustmenta Position key 1b Position key 2c Storage keyd Head restraint up/downe Seat height frontf Seat forward/backwardg Seat height rearh BackrestM1 Main ground (behind instrument cluster)aDome lampbcWire is looped via window lifter relayWire is looped via lacing of backrest lock and thewarning unit (seat belt, light and ignition)