Disconnect/connect battery ground line

AR54.10-P-0003MFA

Disconnect/connect battery ground line

18.12.2019

Model

118, 177, 247

1

Cover

3

Nut

G1

On-board electrical system battery

2

Ground cable

 Danger

Risk of fire/risk of explosion due to short circuit and escaping oxyhydrogen gas. Risk of (burn) injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte/mist, short circuit and arcing. Risk of poisoning caused by swallowing battery electrolyte or absorption of lead through the skin or body orifices. Risk of death due to voltage U >= 30 V AC and U >= 60 V DC.

No fires, sparks, open flames, or smoking. Wear acid-resistant gloves, clothing, and glasses. Pour battery acid only into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

Topical note

Notes on battery

AH54.10-P-0001-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

 

Remove/install

1

Switch off ignition and store transmitter key outside of transmission range (min. 2  m).


All electrical consumers must be switched off.
Danger of damage to consumers when disconnecting/connecting ground line (2).

2

Release cover (1) in direction of arrow and remove.

3

Disconnect charger of on-board electrical system battery (G1).

When an external charger is connected.

Charge battery

AR54.10-P-1130MFA

4

Disconnect diagnostic unit.

If a diagnostic device is connected.



AD00.00-P-2000-06MFA

5

Unfasten nut (3) and remove ground line (2) from negative pole of on-board electrical system battery (G1).

 Nut, ground line (battery sensor) to battery terminal

*BA54.10-P-1005-01D

6

Install in the reverse order.

7

Check time display.

If the time is not correct.



set proper time.

 Battery

Number

Designation

Model 118

Model 177

BA54.10-P-1005-01D

Nut, ground line (battery sensor) to battery terminal

Nm

6

6

 Battery

Number

Designation

Model 247

BA54.10-P-1005-01D

Nut, ground line (battery sensor) to battery terminal

Nm

6