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What issues have been reported with the 2008 Mercedes GL450 model?

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3 answers

★ Top Answer
Tyler A.

The 2008 Mercedes GL450 has a bad reputation among its owners due to various reliability issues such as early air suspension problems, leaks in coolant and oil, and struggle to start in cold weather. These issues commonly arise before the vehicle reaches 15,000 miles, especially for those who bought it used. Owners have also faced expensive tire replacements costing more than $1,200 and repeated failures of the air suspension module even after repairs. Service representatives often view the GL450 as a costly car to maintain, with frequent repairs and higher-than-average maintenance costs leading some owners to regret their purchase. While some new owners may be satisfied initially, after reaching 80,000 miles, many find themselves dealing with excessive part replacements such as air struts, turbocharger, fuel pump, and air compensator valve.

More answers

  • Rick McCullough

    The typical issues seen in the 2008 Mercedes GL450 involve rough gear changes, weak brake parts, oil leakage from PCV vent housings, cracked flex discs in the driveshaft, problems with the crankshaft position sensor, and damage to the timing cover.

  • Troy A.

    Is the 2008 GL450 Mercedes SUV reliable with 161,000 miles? I'm considering purchasing it.

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