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The Class 170 will undergo a refurbishment programme starting late 2011.

170401-424 at this time will not go through the C6 overhaul, they went through a overhaul from january 2016 to september 2017 at kilmarnock

The units will receive an internal refresh as well as external relivery into Scotrail Saltire livery

Unit Number	Arrived Railcare Springburn	Departed Railcare Springburn
170425	03/12/11	23/12/12
170426	08/01/12	29/01/12
170428	29/01/12	19/02/12
170429	19/02/12	11/03/12
170427	11/03/12	01/04/12
170430	01/04/12	22/04/12
170431	22/04/12	13/05/12
170432	13/05/12	03/06/12
170450	03/06/12	24/06/12
170451	24/06/12	15/07/12
170452	15/07/12	05/08/12
170453	05/08/12	26/08/12
170455	27/08/12	16/09/12
170454	16/09/12	07/10/12
170456	07/10/12	28/10/12
170457	28/10/12	18/11/12
170393	18/11/12	09/12/12
170394	06/01/13	27/01/13
170396	27/01/13	17/02/13
170395	17/02/13	10/03/13
170473	10/03/13	09/04/13
170476	16/04/13	12/05/13
170474	12/05/13	14/06/13
170475	14/06/13	07/07/13
170472	07/07/13	25/08/13
170477	05/10/13	28/10/13
170458	28/10/13	17/11/13
170459	17/11/13	08/12/13
170460	06/01/14	01/02/14
170461	24/02/14	17/03/14
170433	17/03/14	06/04/14
170434	06/04/14	27/04/13
170478	27/04/14	18/05/14
170470	13/07/17	15/08/17	done at kilmarnock
170471	16/08/17	19/09/17	done at kilmarnock

170434 was vinyled at Shields over the weekend of 20/09/08 for the launch of the Scotrail Saltire livery. Is is expected to be repainted, when getting internal refresh
170470 also visited 02/10/11-16/10/11 for relivery, visited kilmarnock 13/07/17-15/08/17 for new interior
170471 also visited 16/10/11-30/10/11 for relivery, visited kilmarnock 16/08/17-19/09/17 for new interior
170425 also visited 30/10/11-13/11/11 for relivery

170394 returned to railcare for paintwork attention 07/04/13 - 16/04/13