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Engine knocking in 2008 MB R350

7 messages,  Last post on Sep 14, 2009 at 2:06 PM

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#1 of 7 Engine knocking in 2008 MB R350 by adnanf Jul 05, 2009 (2:48 pm)
The engine is making a light knocking noise when I start the car. After taking it to the dealer I am told it is a normal characteristic of this specific model MB 2008 R350. Upon questioning, I am told this issue is not in years prior or after 2008. Therefore, they will not fix anything. Is this correct? Has anyone else come across it? Replies to this message: denvergaasch (Aug 19, 2009 7:07 pm) adnanf (Aug 20, 2009 5:51 pm) aviator4 (Sep 12, 2009 2:08 pm) adnanf (Sep 13, 2009 9:02 am) and 2 more...
#2 of 7 Re: Engine knocking in 2008 MB R350 [adnanf] by denvergaasch Aug 19, 2009 (7:07 pm)
Replying to: adnanf (Jul 05, 2009 2:48 pm) I have always had the same problem in my 2006 r350. I have taken it in twice and have always been told that its a normal thing. But it drives me crazy! Replies to this message: adnanf (Aug 20, 2009 5:51 pm) aviator4 (Sep 12, 2009 2:08 pm) adnanf (Sep 13, 2009 9:02 am) aviator4 (Sep 13, 2009 9:49 am) jayrider (Sep 14, 2009 2:06 pm)
#3 of 7 Re: Engine knocking in 2008 MB R350 [denvergaasch] by adnanf Aug 20, 2009 (5:51 pm)
Replying to: denvergaasch (Aug 19, 2009 7:07 pm) One dealership told me the noise is probably due to the issue with bearings in the crankshaft and the noise is not normal.   I am not sure why MBUSA is running from this issue. Probably due to high cost of fixing it? I am keep on pursuing but as of yet MBUSA is turning me down.
#4 of 7 R 500 engine pings] by aviator4 Sep 12, 2009 (2:08 pm)
Replying to: denvergaasch (Aug 19, 2009 7:07 pm) I have a 06 R 500 with 24,000 miles, the engine pings when taking off, no one seems to be able to tell me what's wrong, are you having any luck with this problem? Replies to this message: adnanf (Sep 13, 2009 9:02 am) aviator4 (Sep 13, 2009 9:49 am) jayrider (Sep 14, 2009 2:06 pm)
#5 of 7 Re: R 500 engine pings] [aviator4] by adnanf Sep 13, 2009 (9:02 am)
Replying to: aviator4 (Sep 12, 2009 2:08 pm) No luck so far. I am appalled by MBUSA's running away from their responsibility. No one, except MBUSA, is saying the knocking/pinning noise is normal. Every technician and mechanic I showed the noise to thinks something is wrong but requires deeper look into the engine which can be costly. If not remedied it can result in costlier engine replacement down the road.   Legal action maybe required to compel MBUSA to get serious about this issue. What do you think? Replies to this message: aviator4 (Sep 13, 2009 9:49 am) jayrider (Sep 14, 2009 2:06 pm)
#6 of 7 Re: R 500 engine pings] [aviator4] [adnanf] by aviator4 Sep 13, 2009 (9:49 am)
Replying to: adnanf (Sep 13, 2009 9:02 am) I will take it to another M Dealer this week, and we'll see what they have to say, I'll keep you posted.
#7 of 7 Re: R 500 engine pings] [aviator4] [adnanf] by jayrider Sep 14, 2009 (2:06 pm)
Replying to: adnanf (Sep 13, 2009 9:02 am) Before legal action try arbitration. You could also have the service mgr acknowledge the noise and have him put it in writing. Then go up the chain to mb corporate with copies of the statement. Tell them you are concerned and want assurances that all is well. The engine can also be checked via computer to give you a status re the problem area. Codes should id if there is a problem.

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