Special Signal System Wiring Diagram - PE82.25-P-2200-97FCA
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
Model 253 (except 253.99) as of model year 2020
with code 970 (Police emergency vehicle)
with code 974 (Preparation for fire service command vehicle)
with code 975 (Preparation for emergency doctor vehicle)
Control unit N26/7
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 32L |
| A48/1 | Special signal system operating unit | 13L |
| F80/1 | Special-purpose vehicle fuse block 1 | 3L |
| N26/7 | Special signal system control unit | 4A |
| N26/7 | Special signal system control unit | 12A |
| N26/7 | Special signal system control unit | 20A |
| W15/5 | Left front footwell ground point | 23H |
| W15/7 | Right front footwell ground point | 20H |
| W15/7 | Right front footwell ground point | 25H |
| W3/11 | Left rear wheel well ground point | 3E |
| X41/1 | Rotating beacon electrical connector | 23L |
| X41/1 | Rotating beacon electrical connector | 25L |
| X44/10 | Outside speaker electrical connector | 17L |
| X58/3 | Microphone electrical connector | 8L |
| X7 | Flashing light electrical connector | 20L |
| Z159z1 | Tone sequence active connector sleeve | 15G |
| Z47/15z1 | Emergency vehicle warning light connector sleeve | 14G |
| Z47/9z1 | Blue priority vehicle warning light, separation point connector sleeve | 23E |