
Based on general knowledge, as the provided context is irrelevant to the question, it is strongly advised not to steam clean a leather sofa.
Leather is a natural, porous material that can be permanently damaged by the combination of high heat and excessive moisture produced by a steam cleaner. The process can strip the leather of its essential natural oils and protective finishes. This can lead to the material drying out, becoming brittle, and eventually cracking. Furthermore, the moisture can cause discoloration, water stains, and may even promote the growth of mildew within the sofa's cushions if not dried properly.
The recommended method for cleaning a leather sofa involves gentler techniques. For routine , vacuuming with a soft brush attachment to remove dust and debris is sufficient. For spills and light cleaning, use a soft cloth dampened with distilled water. For more significant cleaning needs, it is best to use a pH-balanced cleaner specifically formulated for leather. Always test any cleaning product on an inconspicuous area first. Periodically applying a high-quality leather conditioner will help restore moisture and keep the material supple, preserving its appearance and longevity.


