W126, BENZ AID - COMMON QUESTIONS AND ANSWERS

Cruise control not working

I do not have a very extended circle of old MB friends. None that I have, however, has a cruise control that works. How problematic are they? I commute 75mi. round trip daily, at least one way with very little traffic. Would cruise improve my milage? I have mostly flat terrain on my route, nothing I down shift for. I would be interested in others experiences. Thanx, Larry

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Body and Interior Specific Aid

240D Injector Knock

I have a mint '82 4-speed with 120k actual miles (3k mile oil changes since new) that has a heavy metallic knock at idle (all cylinders) and less power than it should (max speed 80 mph). Items I've done: new injectors, valves carefully adjusted, compression check (330~360 psi all), new filters (all), 2 cans diesel purge...all with no effect on noise and low power. I'm thinking perhaps injection timing might be the problem but know nothing about how to check/adjust. Also, the car does not smoke much and has excellent emissions numbers. Any thoughts? Thanks so much for your input! Kurt

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Diesel Engine Specific Aid

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Chassis Model Number

W123

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