2007 Mercedes-Benz CLK-Class Consumer Review: CLK350 Buyers Beware !!

2007 Mercedes-Benz CLK-Class - Consumer Review

Average Consumer Rating

37 Total Reviews

CLK350 Coupe (3.5L V6 7-speed Automatic)

Build Quality
Reliability Value
23 of 35 people found this review helpful
CLK350 Buyers Beware !!
By 7X on


2007 Mercedes-Benz CLK-Class CLK350 2dr Coupe (3.5L 6cyl 7A)


Recently purchased a certified pre owned (cpo) 2007 CLK350 Coupe; gem of a car but since found out it has one EXPENSIVE FLAW ! Various Mercedes Benz models built between 2005 and 2008 have a defective balance shaft and/or balance shaft sprocket. It's a defect in the metal part which wears prematurely. To replace and repair, it in the CLK models with the 350 (272) engine, it requires removal of the engine!! The dealer knew this problem exists and didn't tell me before I made the purchase. I bought this car in good faith that it would last me many years, now I found out it will likely need an engine tear-down before it hits 100K miles, maybe closer to 60K. Shameful.

Best Features

The CLK350 coupe is a solid, heavy car. The interior is well appointed, and the looks are eye-catching.

Worst Features

Engine build quality needs to be improved for this caliber of vehicle (see comment on top). While highway mileage is acceptable, city driving will cost you at the pump. Lastly, car exhibits braking hesitation when accelerating from a stop, while in the "Sport" transmission mode.
Recommend (23) (12)

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Comments (1) Post a Comment
By nathan_h
on 07/31/11 16:39 PM (PDT)

You are not alone. There are reports from multiple countries confirming this situation, and a class action lawsuit in the US: http://classactionlawsuitsinthenews.com/class-action-lawsuit-complaints/mercedes-benz-class-action-lawsuit-complaint-filed-over-allegedly-defective-balance-shift-gears-in-mercedes-m272-engines-idle-gears-in-mercedes-m273-engines/

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