Feb 7 (Reuters) - The Spar Group Ltd:
* Trading update: 13 weeks to Dec. 31, 2016
* Increased sales by 16.9 pct from R21.9 billion to R25.6 billion for 13-week trading quarter ended Dec. 31, 2016
* Group sales in South Africa increased by 5.8 pct, which were adversely impacted by a slow-down in building materials business
* SPAR retail sales grew by 6.1 pct with sales in comparable stores up by 5.2 pct Source text for Eikon: Further company coverage: (Bengaluru Newsroom: +91 806 749 1136)