80 Central Locking System
Additional Information
Model W123 central locking
Central Locking System
80-010
- Function description
Select page...
A. General
B. Operation
C. Function
D. Components
- Technical data of supply pump
- Distinguishing features of actuator (S47, S48, S49)
80-090
- Checking function of central locking system
80-104
- Checking electrical function of central locking system
80-108
- Checking pneumatic function of supply pump
80-112
- Checking electrical function of actuator (except vehicles w/ code 885)
80-116
- Checking pneumatic function of actuator
80-120
- Checking central locking system for leaks
Select page...
A. Sedan up to approx 08/90
B. Station wagon 1st version up to approx 01/86
C. Station wagon 2nd version as of approx 02/86 up to 08/90
D. Coupe up to approx 08/90
E. Sedan, station wagon, coupe as of approx 09/90, cabriolet as of start of production
F. Vehicles for <D> as of 03/94 and vehicles with code 885
80-125
- Checking pneumatic line for leaks
80-215
- Removing and installing actuator (S47, S48, S49)
Select page...
A. Front doors
B. Tailgate
C. Trunk lid
80-220
- Removing and installing rear door actuator
80-230
- Removing and installing fuel filler flap actuator
80-270
- Removing and installing supply pump (M14/1)
Infrared Remote Control
80-400
- Function description of infrared remote control
Select page...
A. General
B. Operation
C. Function
D. Components
80-420
- Checking and replacing batteries for infrared transmitter key and synchronizing and desynchronizing transmitter signal
80-422
- Removing and installing folding key on infrared transmitter key
80-430
- Removing and installing driver door infrared remote control (IFZ) receiver unit (A26/1)
80-435
- Removing and installing trunk lid IFZ receiver unit (A26/3)
80-440
- Removing and installing infrared remote control unit (IFZ) (N54)
80-455
- Removing and installing RCL control module (N54) and IR DAS control module (N54/1)
Schematics and Miscellaneous
80-800
- Electrical wiring diagrams
80-900
- Function diagrams and Programmed Repairs (troubleshooting)
Select page...
A. LHD sedan
B. RHD sedan
C. LHD T-models
D. RHD T-models
E. LHD coupes
F. RHD coupes
Programmed Repair -
80-85041 Malfunction of CLS w/o lock being operated
80-85091 CLS does not operate at outside temperatures below 0 C.
80-85121 Whistling noise at fuel filler flap when locking or unlocking car
80-86041 CLS locks car by itself after ignition key withdrawn from steering lock
80-87041 Car can be locked centrally from right (RHD left) fr door w/ key in pos 1 or 2
80-87042 Key is difficult to turn when locking or unlocking tailgate (T-model)
80-87091 CLS can't be locked and unlocked from an operating point
80-87111 Pneumatic line dropped off at rear door actuator
Technical modifications
- Central locking system
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