Battery in luggage compartment under spare wheel

WARNING: This page is about a different variant/trim than selected.

Remove spare wheel.

Release screws.

CAUTION: Do not kink air pipes.

Set air supply system (1) to one side.

Follow instructions for disconnecting and connecting battery battery.

Disconnect battery negative lead.

Fig 1: Installing Air Supply System

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Disconnect supply cable (1) for vehicle electrical system.

Installation:

Remove faulty fuses and carry out troubleshooting.

Fig 2: Disconnecting Supply Cable
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CAUTION: Pay attention to interface. The repair cable is always a standard length. The heavy-current connector of the repair cable has a larger diameter than the battery positive lead.

Lay repair cable parallel to battery positive lead.

Mark interface of battery positive lead at end of repair cable.

Fig 3: Identifying Battery Positive Lead

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Release cable ties (1)

Disconnect plug connection (2)

Fig 4: Disconnecting Plug Connection

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CAUTION: Do not use bolt cutters or similar tools to cut through the cable. A cable end that has been squashed flat will no longer fit into the clamping sleeve.

Saw through battery positive cable at marked point with an iron saw.

Fig 5: Identifying Battery Positive Cable

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Strip insulation - length (A) - from cable end.

Distance (A) = 15 mm.

Fig 6: Installing Strip

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Push heavy-current connector (1) over stripped cable end and screw into position.

Fig 7: Push Heavy-Current Connector

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Push shrink-fit hose (3) over repair cable.

Screw threaded sleeve (1) of repair cable (2) to heavy-current connector.

Fig 8: Connecting Threaded Sleeve

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Push shrink-fit hose (1) over connecting point and shrink on with a hot-air blower (2).

Fig 9: Installing Shrink-Fit Hose

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NOTE: Heat up shrink-fit hose until it has settled completely around the connection point.

Fig 10: Applying Heat On Shrink-Fit Hose

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When laying the repaired battery positive cable, observe the following:

The shrink-fit hose must not be scuffed during any movement.
The repair cable must not cause any disturbing noises during driving operation.

NOTE: Offsetting cutting line by approx. 10 cm produces excess length of battery positive lead (1). Lay battery positive lead (1) without kinks or abrasions.

Fig 11: Identifying Battery Positive Lead (Typical)

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