Head Scratcher - 2002 CL600
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Junior Member
Joined: Apr 2012
Posts: 34
Likes: 4
From: NorCal
2001 S600, 2002 CL600,2005 S600, 2005 CL65 AMG
Head Scratcher - 2002 CL600
Car drives great for a 4 cylinder Civic ! .Within 1 mile car went from robust to missing on top end to barely crawling. Confirmed 100% functionality of coil packs, voltage transformer/ignition control unit, MAF, TPS assy. No CEL, no backfiring, smooth idle can force a downshift but wont realistically rev beyond 2,500. Rail pressure at 56 lbs.Only rock left to look under is the throttle body that I can think of... thoughts ???
Last edited by Clark Rupp; Apr 4, 2019 at 11:19 PM.
Thread Starter
Junior Member
Joined: Apr 2012
Posts: 34
Likes: 4
From: NorCal
2001 S600, 2002 CL600,2005 S600, 2005 CL65 AMG
I rebuild these packs for a living..... http://V12icpack.com but to eliminate any assumptions I transferred them off my AMG CL65 after a test drive....... No codes, no errors, no hints..............
Member
Joined: Dec 2007
Posts: 171
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From: Maryland
2007 S550 & 2009 CL63 AMG & 2009 BMW 328i Convertible
I rebuild these packs for a living..... http://V12icpack.com but to eliminate any assumptions I transferred them off my AMG CL65 after a test drive....... No codes, no errors, no hints..............
Thread Starter
Junior Member
Joined: Apr 2012
Posts: 34
Likes: 4
From: NorCal
2001 S600, 2002 CL600,2005 S600, 2005 CL65 AMG
Exactly.....02 sensors have been added to my suspect list along with the throttle body. No other takers on this thread and I was looking forward to some other ideas !
Member
Joined: Dec 2007
Posts: 171
Likes: 26
From: Maryland
2007 S550 & 2009 CL63 AMG & 2009 BMW 328i Convertible
Head scrather
This V12 beast is challenging at times. Now the none TT models have severe oil leak in the middle of the engine issues and cylinder shut off issues.
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Thread Starter
Junior Member
Joined: Apr 2012
Posts: 34
Likes: 4
From: NorCal
2001 S600, 2002 CL600,2005 S600, 2005 CL65 AMG
Vacuum leaks will give you a rough idle, maybe throw a secondary air injection code but not kill power in the upper rpm ranges...... Keep thinking about it !
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2002 CL500 to CL55 conversion
Car drives great for a 4 cylinder Civic ! .Within 1 mile car went from robust to missing on top end to barely crawling. Confirmed 100% functionality of coil packs, voltage transformer/ignition control unit, MAF, TPS assy. No CEL, no backfiring, smooth idle can force a downshift but wont realistically rev beyond 2,500. Rail pressure at 56 lbs.Only rock left to look under is the throttle body that I can think of... thoughts ???
MBWorld Fanatic!
Joined: Jul 2012
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2002 CL500 to CL55 conversion
another thing is maybe accelerator pedal module is failing, common failure on w215’s
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From: Netherlands
CL 600 '00 5.8L V12
Super Member
Joined: May 2021
Posts: 554
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From: Netherlands
CL 600 '00 5.8L V12
Whilst rereading this thread again, @Clark Rupp assuming that you've got DAS, please rewrite the correct variant coding to the ECU. It's quite common for owners of the car to turn off certain diagnostics, such as SAI (SLP diag), catalytic converters (hinter kat diag) and O2 sensor (O2 diag)
It might just trigger the codes to come back
If you write these settings through developer mode, don't forget to turn the ignition off for 10 seconds before trying anything else.
It might just trigger the codes to come back
If you write these settings through developer mode, don't forget to turn the ignition off for 10 seconds before trying anything else.
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Joined: Feb 2018
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CL500, W212 e350 mega-spec
I'd say fuel pump. There's enough pressure for idling but won't let you drive anywhere.
When you're doing tests you're probably sitting stationary rather than checking it at the time there is going to be a problem.
If the fuel pump is only delivering 70% of what it should you won't be able to drive the car but it'll start and idle okay and test fine. It's just when you're demanding greater volume it can't deliver.
SOME diagnostics systems will give you pump RPM. I dunno if that's available in this case. If it is then you should verify the pump RPM is correct.
When you're doing tests you're probably sitting stationary rather than checking it at the time there is going to be a problem.
If the fuel pump is only delivering 70% of what it should you won't be able to drive the car but it'll start and idle okay and test fine. It's just when you're demanding greater volume it can't deliver.
SOME diagnostics systems will give you pump RPM. I dunno if that's available in this case. If it is then you should verify the pump RPM is correct.
