I have a 300CE 24 valve (M104 KE jetronic) that won't rev past 4000 rpm while driving. It can be coached past 4000 by throttling back but if you go past 50% throttle it stops reving. Anyone reckognize this problem????

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600SEL '91
300E 4Matic '88
240D '83
280SE '77
350SE '73
The most complex systems can fail in the simplest way.
Contra verbosus noli contendere verbis, sermo datur cunctis, animi sapientia paucis.

i don't believe in the lord! He's never bought me a Mercedes Benz.