Application Brand Mercedes Benz M271 Application Model / Year CLK 200 KOMPRESSOR 200 CGI (C209) C180Kã€C200Kã€C230K (W203) C SportCoupe C 160Kã€C180Kã€C200Kã€230KCã€E 200K (W211) SLK 200K (R171)ã€C 180K (W204) CLC 180Kã€CLC 200Kã€C 180 CGIã€C 200CGIã€C 250CGI (W204) E 200CGIã€E 250CGI (W212ã€C207) Application Engine Code M271 E18ML (02 -)ã€DE18ML (5/03) E16ML (08 -)ã€DE18LA (09 -) Description This Timing Chain, Cam Locking Tool Set is for use on M271 4-cylinder Mercedes engines in the 2003-2005 C230 kompressor. Tool Number 1 For holding chain securely on sprocket while winding in a new chain therefore avoiding. Tool Number 2 For locking camshafts and setting camshafts in basic position also holds camshafts securely while loosening and tightening sprocket bolts. Tool Number 3 For installing blanking plug back into crankcase cover after removing chain tensioner. Tool Number 4 For release of oil filled chain tensioner releasing tension on timing chain.