The stock went down by 5.53 per cent to hit its one-year low level of Rs 228.50 on BSE.
At NSE, shares of the company tumbled 5.66 per cent to Rs 228.25 -- its 52-week low.
In three days, the stock has lost nearly 15 per cent.
Motherson Sumi Systems yesterday said its supplies to Volkswagen (VW) will not be affected even as the German auto major faces fine of up to USD 18 billion in the US for using device to falsify emissions data.
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Stressing that the company will not be affected by the issue faced by VW, he said: "The emission matter is related to engines and we do not supply any engine parts to VW. Moreover, it is not like a recall due to a part defect."
He further said MSSL's exposure to the VW brand is only 12 per cent of its net sales, which stood at Rs 34,490.31 crore in the year ended March 31, 2015.