1993 Other Mercedes Benz Models 4 cyl Two Wheel Drive Automatic 117, 00 miles
Glow plug indicator light started coming on again after car started. Now it does not come on before starting but car starts okay and then the indicator light comes on for about one to two minutes and then goes off. Do glow plugs need to be replaced or relay, or both? Replacing the pllugs looks difficult on this engine.