Crank but no start
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Newbie
Joined: Jul 2017
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1996 C220
Crank but no start
Ok so basically my car cranks but doesnt turn over or does then dies . Half the time it starts as normal. I have an srs light on. So far i changed my oil and spark plugs. Cleaned throttle body and mass air flow. Only thing i could think of is the fuel filter. 96 c220
Member
Joined: Oct 2009
Posts: 214
Likes: 38
From: East Idaho
2014 GL450, 2006 S500, 2003 ML350, 1996 C280 (Prev 1995 C220, 2002 CLK320, 1980 300SD Turbo)
Is your battery 100% charged? Even if your lights are on, your battery might not have enough strength to start your car. It can be deceptive.
You need to also determine if it's a fuel issue, one way to do that is to spray starter fluid in the intake and see if it starts (after which it would die shortly.) That would indicate fuel is not getting to your engine.
Also, do you hear the fuel pump going on when you turn the key to on? The fuel pump is located near the passenger rear under a plastic cover - you probably know this because you changed the fuel filter. If it is a fuel delivery issue you can have a fault pump or fuel relay (green relay in your trunk.)
You need to also determine if it's a fuel issue, one way to do that is to spray starter fluid in the intake and see if it starts (after which it would die shortly.) That would indicate fuel is not getting to your engine.
Also, do you hear the fuel pump going on when you turn the key to on? The fuel pump is located near the passenger rear under a plastic cover - you probably know this because you changed the fuel filter. If it is a fuel delivery issue you can have a fault pump or fuel relay (green relay in your trunk.)
