Disconnect/connect battery ground line - AR54.10-P-0003CW
MODEL 204
Shown on model 204.0 with engine 271
Shown on model 204.0 with engine 646
| Disconnect, connect | |||
|---|---|---|---|
| Risk of explosion caused by oxyhydrogen gas. Risk of poisoning and caustic burns caused by swallowing battery acid. Risk of injury caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries | No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers. | AS54.10-Z-0001-01A | |
| Notes on battery | AH54.10-P-0001-01A | ||
| Notes on AGM battery | AH54.10-P-0002-01A | ||
| 1.1 | Unclip air duct (1) (arrows) and remove | Model 204.0/2 except engine 642, 646 Model 204.3/9 |
|
| 1.2 | Lift luggage compartment floor covering | Model 204.0 with engine 642, 646 | |
| 1.3 | Remove rear load compartment floor and intermediate bottom | Model 204.2 with engine 642, 646 | AR68.80-P-5800CX |
| 2 | Loosen nut (2) and remove ground line (3) from negative terminal of on-board electrical system battery (G1) | ||
| 3 | Using a diode test lamp, check the electrical system for voltage between the positive line of the on-board electrical system battery (G1) and the disconnected ground line (3) | Vehicles with code (B03) ECO start-stop function In this case the ground line of the additional battery for the ECO start/stop function (G1/13) is to be disconnected. See: ↓ Remove/install additional battery for ECO start/stop function Model 204.0/2/3 Model 204.9 |
AR54.10-P-0007CW |
| 4 | Connect in the reverse order. | ||
| 5 | Reset clock | On vehicles with code (510) Audio 20 with CD changer or with code (523) MB Audio 20 radio |