C219 CLS55 and CLS63, 2004-2010

High revving power loss

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Old 08-14-2012, 08:51 PM
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CLS 55 amg 2005
Angry High revving power loss

Dear all,

When i start accelerating hard for 2 minutes or so, or if i go up to high speeds such as 140 mph the car suddenly looses half of it power for a couple of seconds, even when i accelerate more the motor sound changes as if the compressors are cooling off or something.
Old 08-15-2012, 06:05 AM
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Zod
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CLS55 2006, CLS 63S 2015
Originally Posted by Garranah
Dear all,

When i start accelerating hard for 2 minutes or so, or if i go up to high speeds such as 140 mph the car suddenly looses half of it power for a couple of seconds, even when i accelerate more the motor sound changes as if the compressors are cooling off or something.
old known issue, most likely your inter cooler pump is dead. Change at dealer for the latest one they have and you should be good to go

test for this is to monitor intake air tempretures during your runs on star and it will show and have logs of this

Good luck
Old 08-15-2012, 07:46 AM
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CLS 55 amg 2005
Thanks, do u have an idea how it much it costs, because I'm in egypt and the dealer tends to multiply anything by ten.
Old 08-16-2012, 08:25 AM
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Originally Posted by Garranah
Thanks, do u have an idea how it much it costs, because I'm in egypt and the dealer tends to multiply anything by ten.
go to dealer, as for part number of the pump and price
then ask local market for the same part number and price

Or order online

you will have to search for the part numbers as i do not recall them sorry, but make sure it is the latest generation bosch pump for our cars

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