None required. Just stick a long 1/4" drive extension, with a 10mm socket into the hole beneath the airbag in the bolster. Take the bolt out and the airbag assembly comes right out.

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95 SL500 Smoke Silver, Parchment 64K
07 E350 4matic Station Wagon White 34K
02 E320 4Matic Silver/grey 80K
05 F150 Silver 44K