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      01-10-2020, 10:14 AM   #18
byroncheung
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United_States
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Drives: e90 m3, 997.2 c2s, x166 GL450
Join Date: Nov 2014
Location: Westchester, NY

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Quote:
Originally Posted by 9krpmrx8 View Post
He has had a few GL's, SLS, GLE AMG, S55, CL65, C63's, S550, etc. etc. and they have been reliable under warranty but on his C63S, LS and the previous gen S550, and the current gen S550 they definitely had some significant issues past the warranty. Shifter assembly failures, power windows system failure, air suspension failures, infotainment failure, trans issue (C63S) etc.
Don't they treat air suspension as maintenance parts these days?

Anyway I have experience with all 3 brands, all CPO cars, here is my problem counts for what's worth (not counting recalls, maintenance items like battery etc)

2013 GL450, owned 2016 - present
- radiator leak
- air suspension leak
- rear trunk actuator failure
- crankcase leak
- turbo coolant line busted
- intake pipe busted
- driver side mb tex started flaking and peeling

2011 e90 m3, owned 2014 - 2019
- brake vacuum sensor went bad (suspect it was from mechanics dripped brake fluid on it)

2012 997.2, owned half a year so far
- broken trunk button (possibly previous owner's user error)
- car key remote stop working
- car key button broken
- rear seat belt ratchet mechanism went stuck need replacement
- silver plastic trim on steering wheel peeling / wrinkling

so from my own experience, bmw > porsche > merc
Appreciate 0