300ce seat locking problem

des.red35

New Member
Joined
Jul 12, 2011
Messages
1
Location
Whitley Bay
Car
300ce
Hi there. My 1988 300ce has just failed it's MOT due to the front seats not locking in the upright position. What would be the cause of this and how is it remedied?
 

GP801

MB Enthusiast
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Jun 18, 2010
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2,924
Location
Sussex and Tuscany
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2003 W209 CLK, 2005 R171 SLK in UK, 1995 S124 E280 in Italy
Was the door open when tested? I think it only locks if the door is closed. Might even need the engine to be running - cant remember. Try a search because I am sure this comes up pretty frequently when tested by people unused to the peculiarities of the old mercs.
 

300CE

MB Enthusiast
Joined
Apr 25, 2010
Messages
1,474
Location
Sidcup, Kent
Car
1990 300CE
+1 for GP's post - it explains the set up in the handbook (if you have it) - it might be worth taking that down to your MOT place.
 

kth286

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Joined
Feb 4, 2003
Messages
2,922
Location
Caversham Berks
Car
E320 Coupe
Yes - proceedure is to have engine running and doors shut AND leave window open so that tester can put his hand inside to test seat back is locked.

I always leave a note inside car for tester.
 

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