From inside (document excerpt):
User and Operator’s Manual for 1993 Mercedes-Benz 600 SEL W140:
Contents
Introduction
Product information
Operator’s manual
Consumer Information Problems with your vehicle Reporting Safety Defects Index
Instruments and controls
Instruments and controls
Instrument Cluster
Indicator Lamp Symbols
Catalytic Converter
Starting and Turning Off the Engine Power window and sliding/Pop-Up roof Power closing assist for door and trunk lid
2 Anti-Theft Alarm System
4 Power Seats, Front
133 Multicontour Backrest
134 Heated Seats
135 Armrest, Front
138 Power Seats, Rear
Power Head Restraints, Rear
Armrest, Rear
Adjustable Steering Wheel
10 Seat belts and Supplemental Restraint system (SRS)
12 Seat belts
13 Emergency tensioning retractor (ETR)
14 Airbag