The 2008 Mercedes GL450 has been plagued with unreliability complaints by owners that include early air suspension failure, coolant and oil leaks and difficulty starting in cold weather. These conditions manifest at under 15,000 miles and often involve used purchases. Other issues include tire replacement totaling over $1,200 and repeated failure of the air suspension module after repair. In general service reps regard the GL450 as a money pit, where continuous repairs and higher than average maintenance fees drive some owners to regret their investment. Although some new ownership is initially satIS Fied with the GL450, afteR80,000 miles of use they find part replacement needs excessive that can include the air struts, turbocharger, fuel pump and the air compensator valve.
Sandra J.
April 10, 2020
The most common problems with the 2008 mercedes gl450 include rough shifting, soft braking components, oil leak from pcv vent housings, cracked driveshaft flex discs, crankshaft position sensor failure, and damaged timing cover.
Claud
July 22, 2020
Is the 2008 GL450 Mercedes truck good dependableit has 161k thing about buying it
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