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Key to interior lighting scheme
| Index | Schematic element | Coordinates |
| A1 | Combination device | 12M |
| A1e8 | Instrument lighting | 13M |
| A1h1 | Warning noise signal (buzzer) | 11M |
| A1r1 | Instrument lighting control resistor | 12M |
| A2 | Radio tape recorder | 1M 9M |
| A37/2 | Pneumatic control unit, centrally controlled door lock system (ZV) | 14A |
| A37/4 | Pneumatic control unit, centrally controlled door lock system (ZV), vacuum maintenance in the intake manifold (SRU) | 14A |
| E12 | Gear shift stage lighting | 8M |
| E13/2 | Glove box light with switch | 2M |
| E14/1 | Sun visor with illuminated mirror on the left | 35M |
| E14/2 | Sun visor with illuminated mirror on the right | 34M |
| E15/2 | Ceiling light with delayed switch-off and reading light in front | 26A |
| E15/3 | Ceiling light from behind | 28M 32M |
| E17/3 | Entry/exit light, door lighting front left | 19M |
| E17/4 | Entry/exit light, door lighting front right | 21M |
| E18/1 | Trunk light | 28M |
| E19/1 | Left license plate light | 6M |
| E19/2 | Number plate light right | 7M |
| F1/1 | 12-slot fuse socket, in fuse box and in relay box | F1 |
| F1/1-2 | Fuse 2, terminal 15V | 4L |
| F3 | 18-slot fuse socket, in fuse box and relay box | F1 |
| F3-27 | Fuse 27, terminal 30 | 20L |
| F3-33 | Fuse 33, terminal 30 | 26L |
| F3-35 | Fuse 35, terminal 15R | 25L |
| K38 | Starter Disconnect and Deactivation Relay (EDW) | 23M |
| N₂6 | Control device for blocking and automatic shutdown of the starter | 22M 31M |
| N54 | Infrared Remote Control System (IEZ) Control Device | 24M |
| R3 | Front cigarette lighter with ashtray lighting | 4M |
| R3e1 | Lighting | 5M |
| R3r1 | Heating element | 4M |
| R3x1 | Cigarette lighter plug connection | 4K |
| S1 | Rotary light switch | 5A |
| S8/1 | Contact for warning noise signaling (buzzer) of lighting | 14M |
| S17/3 | Door light switch in the body, front left | 15M 17M |
| S17/4 | Door light switch in the body, front right | 16M 18M |
| S17/5 | Door light switch in the body, rear left | 29M |
| S17/6 | Door light switch in the body, rear right | 30M |
| S17/8 | Trunk light switch | 27M |
| S88/2 | Rear lid lock switch (comfort) | 26M |
| S88/2x1 | Plug connection for rear lid locking switch (comfort) | 26K |
| W1 | The bulk (behind the combination instrument) | |
| W6 | Trunk weight (wheel rotation to the left) | |
| W7 | Trunk weight (wheel rotation to the right) | |
| W16 | Mass of aggregate space | |
| W18 | Seat frame cross member weight front left | |
| W19 | Front right seat frame crossmember mass, ground connection point without designation, structural element located directly on the engine, chassis or body | |
| X4 | Wire connector on terminal 30, 3-pole in the left footwell | 4F |
| X18 | Plug connection. Interior/wiring harness to rear lights | 5H 11H |
| X34/3 | Intermediate plug connection door light switch in the body of the entrance/exit light of the door lighting front right | 17I |
| X35/1 | The separation point is in front on the left | 19I |
| X35/2 | The separation point is in front on the right | 20I |
| Z3/15 | Terminal End Sleeve 15 (EDW) | 23H |
| Z7/1 | End sleeve terminal 30 door lock system with central control | 28F |
| Z81 | Terminal end sleeve 58d | 11I |
| Z81/4 | End sleeve of terminal 58d of the load-bearing base of the body (RBA) | 9F 18F |
| Wire diameters may differ from those shown | ||
| Current wiring changes are outlined in a box | ||
[Original source of information www.mercedesman.ru]