Engine sound
Thread Starter
Super Member
Joined: Oct 2004
Posts: 571
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From: Kansas City. U.S.A.
2000 E320 Sedan
Engine sound
I have 2000 E320 with 59k miles, in the moring when i start it idles ok, after the idle it starts a noise like an engine knock noise. more like tappign sound. I already replace the spark plug, dealer replaced both Cat converters right and left, oil has been changed, new dealer air filter. What could it be causing this engine sound? But when I drive away and engine at normal operating temp, the sounds goes away completely.
Thread Starter
Super Member
Joined: Oct 2004
Posts: 571
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From: Kansas City. U.S.A.
2000 E320 Sedan
No idea what a hizing sound sounds like !! I will checxk the tensioner, but nor sure if i can tell for any vibrations !! That car does not smoke. I do not think it is the lifters !!
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Member
Joined: May 2006
Posts: 214
Likes: 2
From: 08 ALHAMBRA 08, CA
WALD out w210 and w203 daily grinder
if its a hizzing or tick sound. it could be your water pump. its about to break down. but to make sure, just take your car to the mechanic and settle down.
MBWorld Fanatic!
Joined: Sep 2005
Posts: 6,189
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From: Albuquerque
'10 CL550, '12 GL550
Perhaps ...
MODEL 210 with M112/M113 Engines
HYDRAULIC ELEMENTS "TICKING" NOISE DURING INITIAL OVERNIGHT AND/OR
COLD STARTS
In cases of hydraulic elements "ticking" noise during initial overnight and/or cold starts, replace the exhaust valve hydraulic elements with hydraulic elements part number 113 050 00 80 05. Note: Please DO NOT replace the rocker arm assembly, part no. 113 050 05 34. Replacing the rocker arm assembly to
repair hydraulic elements "ticking" noise is absolutely not necessary and extremely labor intensive. In case of warranty, please use Damage Code 05319 36
MODEL 210 with M112/M113 Engines
HYDRAULIC ELEMENTS "TICKING" NOISE DURING INITIAL OVERNIGHT AND/OR
COLD STARTS
In cases of hydraulic elements "ticking" noise during initial overnight and/or cold starts, replace the exhaust valve hydraulic elements with hydraulic elements part number 113 050 00 80 05. Note: Please DO NOT replace the rocker arm assembly, part no. 113 050 05 34. Replacing the rocker arm assembly to
repair hydraulic elements "ticking" noise is absolutely not necessary and extremely labor intensive. In case of warranty, please use Damage Code 05319 36
Thread Starter
Super Member
Joined: Oct 2004
Posts: 571
Likes: 0
From: Kansas City. U.S.A.
2000 E320 Sedan
Perhaps ...
MODEL 210 with M112/M113 Engines
HYDRAULIC ELEMENTS "TICKING" NOISE DURING INITIAL OVERNIGHT AND/OR
COLD STARTS
In cases of hydraulic elements "ticking" noise during initial overnight and/or cold starts, replace the exhaust valve hydraulic elements with hydraulic elements part number 113 050 00 80 05. Note: Please DO NOT replace the rocker arm assembly, part no. 113 050 05 34. Replacing the rocker arm assembly to
repair hydraulic elements "ticking" noise is absolutely not necessary and extremely labor intensive. In case of warranty, please use Damage Code 05319 36
MODEL 210 with M112/M113 Engines
HYDRAULIC ELEMENTS "TICKING" NOISE DURING INITIAL OVERNIGHT AND/OR
COLD STARTS
In cases of hydraulic elements "ticking" noise during initial overnight and/or cold starts, replace the exhaust valve hydraulic elements with hydraulic elements part number 113 050 00 80 05. Note: Please DO NOT replace the rocker arm assembly, part no. 113 050 05 34. Replacing the rocker arm assembly to
repair hydraulic elements "ticking" noise is absolutely not necessary and extremely labor intensive. In case of warranty, please use Damage Code 05319 36
MBWorld Fanatic!
Joined: Sep 2005
Posts: 6,189
Likes: 242
From: Albuquerque
'10 CL550, '12 GL550
This is the sort of information you can have if you buy the Mercedes service DVD.
Junior Member
Joined: Jan 2006
Posts: 29
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Noise at startup?
So what was the final answer to the noise at startup? Was it replacing the parts quoted by lkchris on the exhaust valves? I have the same clattering at cold statups which lasts about 10 seconds and then goes away. Will this damage anything or is it just irritating? What should the costs be? Anyone? 
Senior Member
Joined: Nov 2005
Posts: 264
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From: Lake Shore Drive Chicago
Make sure it isnt your purge VALVE I have worked on plenty of benz's with the owners stating what you just did ! The purge valve will tick every 8th of a second.
Chances of it bieng an exhaust valve is very slim!
If it is a lifter if left alone it will chatter up your cam therefore it will be very expensive!!
Bring it to a shop see what they say..
Chances of it bieng an exhaust valve is very slim!
If it is a lifter if left alone it will chatter up your cam therefore it will be very expensive!!
Bring it to a shop see what they say..
Thread Starter
Super Member
Joined: Oct 2004
Posts: 571
Likes: 0
From: Kansas City. U.S.A.
2000 E320 Sedan
So what was the final answer to the noise at startup? Was it replacing the parts quoted by lkchris on the exhaust valves? I have the same clattering at cold statups which lasts about 10 seconds and then goes away. Will this damage anything or is it just irritating? What should the costs be? Anyone?
Junior Member
Joined: Jan 2006
Posts: 29
Likes: 0
Noise at startup FOUND
Not stickey lifters! This one is a bit. I opened the hood and found that the fan was hitting the radiator fins towards the bottom of the radiator. Thoughts of $$$$ went through my head thinking about the costs ofa new radiator but it looks worse than what it actually is. Since it has been cold the fan would start but then stop after about 20 seconds. I checked underneath and found that the bracket that holds the radiator was pushed up and back and the radiator rubber knob that normally fits snug into a hole in the bracket was popped out allowing the radiator to move about. My wife had popped over a concrete parking stop a few months ago and at first it didn't look like there was any damage and I forgot about it. 
A rubber mallet and a piece of 2"x2"x36" wood allowed me to pop the bracket down and reposition it (hydraulic jack) so the rubber knob popped back into place securing the radiator. Started it up and no more clattering!
It could have been very expensive.
