S-Class (W140) 1991-1999: 300 SD, S 350TD, 300 SE 2.8, S280, 300 SE 3.2, 300 SEL 3.2, S320, S320L, 400 SE, S420, 400 SEL, S420L, 500 SE, S500, 500 SEL, S500L, 600 SE, S600, 600 SEL, S600L, 500 SEC, 600 SEC

Engine dies while acceleration when starting engine after 7-8 hours

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Old 12-20-2016, 02:05 AM
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Mercedes S500 1998 W140 engine M119
Engine dies while acceleration when starting engine after 7-8 hours

Im Having Mercedes S500 1998 W140 Engine 119

When i start my car after 7-8 hours engine starts fine no missing no stalling but when i put in gear and start acceleration as the RPM reaches 1500-2000 the engine starts missing and stalling and if i dont remove my feet from pedal the engine would DIE / OFF due to which i have to start it again and this missing/ stalling is only when RPM crosses 1500-2000 other wise in idle situation engine is smooth and after 15-20 minutes of driving in that slow RPM engine automatically get fine and it starts accelerating well.my car is in that situation since 5-6 months
Old 12-20-2016, 08:04 AM
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1999 E300TD
If that were my car, I obviously would start to diagnose the high pressure fuel system(filters,sensors and rail)
Old 12-29-2016, 10:32 AM
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W202 C200 1998, W123 200 1982, W123 230E 1982
Fuel pressure regulator

Sounds like your fuel pressure is suffering, or the cold start circuit is defective.

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