Take 2 times to go when i press gas pedal
Thread Starter
Newbie
Joined: Jun 2015
Posts: 5
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W211 E280 08'
Take 2 times to go when i press gas pedal
hi. Im new here. I want some help with my car.
When i pres gas pedal (mostly when im slow from gear 1 to 2 ) it takes two times to change or after changin gear i dont understand it well. Firstly it change the gear but does not go down just take a empty space full of gas then go normaly. I can post video if u dont undersand . Sorry for my english. Thnx
When i pres gas pedal (mostly when im slow from gear 1 to 2 ) it takes two times to change or after changin gear i dont understand it well. Firstly it change the gear but does not go down just take a empty space full of gas then go normaly. I can post video if u dont undersand . Sorry for my english. Thnx
MBWorld Fanatic!
Joined: May 2015
Posts: 4,037
Likes: 1,011
From: Miami, FL
2003 CL 600
The car doesn't downshift immediately, are you pressing the pedal all the way to the floor?
The ECU looks at many factors to decide when it should shift down, or just open the throttles more. Try varying your driving style a little and see if it feels smoother, these cars are designed to be driven with very small throttle inputs compared to many other cars, and are somewhat hesitant to aggressively take off unless you floor the throttle.
Also, if you step down right as the transmission is shifting to the next gear, it makes the delay of kickdown even more noticeable. The torque management after a shift has the car feeling even less responsive, then it has to go back into that mode, change gears back down, come out of torque management, then open the throttle. It feels like a big delay if you're expecting instant response like an older cable throttle car.
The ECU looks at many factors to decide when it should shift down, or just open the throttles more. Try varying your driving style a little and see if it feels smoother, these cars are designed to be driven with very small throttle inputs compared to many other cars, and are somewhat hesitant to aggressively take off unless you floor the throttle.
Also, if you step down right as the transmission is shifting to the next gear, it makes the delay of kickdown even more noticeable. The torque management after a shift has the car feeling even less responsive, then it has to go back into that mode, change gears back down, come out of torque management, then open the throttle. It feels like a big delay if you're expecting instant response like an older cable throttle car.
Thread Starter
Newbie
Joined: Jun 2015
Posts: 5
Likes: 0
W211 E280 08'
It downshift correctly but takes 2 times. Ex it go 2000 rpm-downshift to 1800 rpm- then go 2100 rpb again and after normal 1600 rpb . Some tell me its about turbo problem , i changed it but nothing happened. Firstly was perfect. Dot push pedal down torally just half. But its the same when push it full down just make it stronger
Last edited by Arbi9; Jun 26, 2015 at 06:56 AM.
MBWorld Fanatic!
Joined: May 2015
Posts: 4,037
Likes: 1,011
From: Miami, FL
2003 CL 600
That sounds like the transmission is slipping or the TCC isn't locking up properly. If you manually shift the transmission does it do the same thing? Try the adaptation reset procedure and see if it changes anything.
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