loss of power 07 E63 AMG
This is really crazy 507 hp and no burning tires on take off (w/traction control off). Is been in the Mercedes shop 4 times in 6 weeks with no results. They change because of noise all the lifters and 3 cam shaft sensors. Tere is no codes or nothing coming back when something is wrong with the engine or transmition. I took car to dyno test and is putting about 507 hp.
Anybody knows what my be wrong?

Shoul it be burning tires in take off with the traction control off ?
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My 07, which had the latest MB engine software updates applied (as of last July), will lite up the tires big time with ESP "off" through 1st and well into 2nd gear. Heck, it will even light them with ESP on on colder days. With traction, I am getting to 60 in 4 sec flat in Sport mode without a sweat and it pulls to 100 and beyond very quickly. I am pleased with the performance of this (stock) car.
Not sure it is relevant to your car, but I did get a CEL out of the blue two weeks ago, and the dealer replaced my intake gaskets, which not only smoothed out my idle but also eliminated all off idle throttle hesitation. My car definitely runs better all around since the new gaskets.
I'd ask your dealer to apply the latest engine and transmission calibrations, it should help. Good luck, and keep us posted.
This is really crazy 507 hp and no burning tires on take off (w/traction control off). Is been in the Mercedes shop 4 times in 6 weeks with no results. They change because of noise all the lifters and 3 cam shaft sensors. Tere is no codes or nothing coming back when something is wrong with the engine or transmition. I took car to dyno test and is putting about 507 hp.
Anybody knows what my be wrong?

Shoul it be burning tires in take off with the traction control off ?
My 07, which had the latest MB engine software updates applied (as of last July), will lite up the tires big time with ESP "off" through 1st and well into 2nd gear. Heck, it will even light them with ESP on on colder days. With traction, I am getting to 60 in 4 sec flat in Sport mode without a sweat and it pulls to 100 and beyond very quickly. I am pleased with the performance of this (stock) car.
Not sure it is relevant to your car, but I did get a CEL out of the blue two weeks ago, and the dealer replaced my intake gaskets, which not only smoothed out my idle but also eliminated all off idle throttle hesitation. My car definitely runs better all around since the new gaskets.
I'd ask your dealer to apply the latest engine and transmission calibrations, it should help. Good luck, and keep us posted.
Just also had CEL recently come on and dealer replaced the intake gasket(s) as too much air was going in and causing rough idle, also WOT response improved. Dealer also loaded latest software (took 2 days cuz the compuer in Germany went down

) too but I still start in 2nd gear on "C", did someone say that was changed to not occur? Once I switch to "S" I can actually feel the gear change to 1st when sitting at a light. I'm actually fine with C staring in 2nd, saves on the rubber
I did the ECU on switch, gas pedal for 5 second then release when you turn back the switch and finally I waited about 2-3 minnutes. Nothing happend I did this about 3 times.
The Dyno test was done because I felt that something was wrong with the take off (start from zero in any mode) It was done in a POWERDYNE and the results were for
Eng Torque MAX 352
Eng Power 431
1/4 mile 13.03 Speed 110.944 (depends on the driver maybe it could be better but I don't know if this is to bad or aver. even with driver in considaration).
WHAT IS CEL?
Sorry for my ignorance I'm just trying to figure out what to do. The car has 51600 miles already. The good thing is I took the car to the shop 4 times with diferent complaints Plus always the lack of POWER . They don't know what it is. They think is a bad up-grade flash on the engine and transm. But in the middle of the visits they change cam sensors and lifters.
Last edited by citylightva; Dec 18, 2009 at 01:29 PM.
Just also had CEL recently come on and dealer replaced the intake gasket(s) as too much air was going in and causing rough idle, also WOT response improved. Dealer also loaded latest software (took 2 days cuz the compuer in Germany went down

) too but I still start in 2nd gear on "C", did someone say that was changed to not occur? Once I switch to "S" I can actually feel the gear change to 1st when sitting at a light. I'm actually fine with C staring in 2nd, saves on the rubber 


