▁no ▁black ▁stri pe . ▁Mer sey ra il ▁trial ▁li ver ies ▁( 2 0 0 1 ): ▁One ▁car ▁of ▁ 5 0 8 1 2 3 ▁used ▁for ▁testing ▁new ▁li ver ies ▁on ▁each ▁side ▁of ▁the ▁carriage . ▁Mer sey ra il ▁Ref urb ished ▁( 2 0 0 3 – 2 0 1 5 ): ▁silver , ▁with ▁vertical ▁cur ved ▁yellow ▁stri pes ▁re ced ing ▁from ▁the ▁cab ▁ends . ▁The ▁passenger ▁doors ▁were ▁all ▁yellow , ▁introduced ▁as ▁a ▁safety ▁measure ▁by ▁Mer sey ra il . ▁' M ' ▁brand ing ▁on ▁the ▁front ▁ends ▁and ▁the ▁sides , ▁and ▁a ▁Mer sey ra il ▁vin yl . ▁The ▁vin yl ▁was ▁purchased ▁without ▁gra ff iti ▁protection , ▁and ▁so ▁it ▁does ▁not ▁wear ▁well ▁if ▁v andal ised . ▁Several ▁sets ▁are ▁run ▁with ▁their ▁' M ' ▁log os ▁missing ▁or ▁worn ▁away . ▁ ▁Silver link ▁Metro ▁( 2 0 0 4 – 2 0 1 0 ): ▁pur ple , ▁green ▁and ▁silver , ▁applied ▁when ▁they ▁were ▁modified ▁in ▁ 2 0 0 3 . ▁ ▁South ▁Eastern ▁Tra ins ▁( 2 0 0 5 – 2 0 0 6 ): ▁white ▁with ▁yellow ▁and ▁black ▁side ▁stri pes . ▁Unit ▁ 5 0 8 2 0 8 ▁was ▁one ▁of ▁the ▁first ▁to ▁receive ▁this , ▁in ▁May ▁ 2 0 0 5 . ▁S out he astern ▁( A pril ▁ 2 0 0 6