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280 ges 1989
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321 Posts
Discussion Starter · #1 ·
This might be of help if anyone is experiencing stalling when hot: although this was not a problem on a G the advice holds good for all Bosch mechanical injections on 280ge and 300ge which have the same injectors.

My 124 300e was stalling after being started again when the engine was at normal temps. I would start first time and immediately stall out without a largish amount of throttle. Otherwise it was running fine with no other problems. It would even stall when stopping at a stop sign in drive. Within a few minutes of revving the engine it was fine again only to repeat the processes the next time it was hot started. My local Mercedes guru here in Miami immediately suggested sticking injectors and recommended a cleaning with stuff mixed into the gas (a fluid which is also used in machines to clean injectors – Seafoam brand) Even after ½ a tank of fuel it was improving so I guess it was sticking injectors and they were less than 15,000 miles old too.
 

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85 300GD 83 300TD
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978 Posts
I think Redline SI-1 Complete Fuel System Cleaner works very well too. I use it in an M130 mechanically injected motor. Gas is a solvent and is very hard on these systems. Running an additive that provides a bit of lubrication will help keep them alive a very long time. The 15 oz bottle of Redline treats 100 gallons they claim. I use some in every tank. I really don't want to have to repair that system, it works so beautifully. I have no connection to Redline other than a serious addiction problem with thier products. I think they are the best.

-Dai
 
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