BenzWorld Senior Member
Date registered: Jul 2006
Vehicle: European 1974 350SLC ,'78 300CD& '80 300CD sold , '81 240D SWMBO's Car '84 300CD & Euro
Location: Sunny So. Cal.
Mentioned: 0 Post(s)
Quoted: 19 Post(s)
Every single Mercedes Diesel I touch , has tight valves and this makes them hard to start and run bad too . they're simple to adjust .
Your car has the series wired glow plugs so use a test light to see if the last cylinder is getting any current , if so , test each one untill you find the open circuit one then replace ALL 4 of them .
Where are you located ? if it's chilly there , you might try blowing some warm air in the inlet with a hair dryer but never , EVER use starting fluid (Ether) unless you want to wreck the engine .
BTW : thwe good fellas over on the W-123 forum know these early cars pretty well and I think you'll get more responses there.
Old German cars & motos
vintage car mechanic