2009 Mercedes-Benz GL: common problems and reliability

Is 2009 a good year for the GL?

Across the 5 GL model years we track, complaint volume runs from 2 (2006) to 307 (2010). With 29 complaints, the 2009 GL sits belowthe model's median of 163.

These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.

Where owners report problems

What owners say across generations

Sentiment is mixed and heavily dependent on model year, engine choice, and ownership expectations. The X164 generation (pre-2013) is described as a "dinosaur" with a less refined driving experience but is noted for its non-turbo engine…

• Air suspension failure: Components like the pump and air springs fail, leading to expensive repairs (quoted at ~$5k minimum). Frequency: very frequent.
• High maintenance and repair costs: Routine servicing, parts (e.g., brakes, tires), and repairs are significantly more expensive than mainstream brands; described as "flagship maintenance costs." Frequency: very frequent.

Owner insights cover all generations of the GL. See the full GL owner picture and every model year.

Compare the GL against its rivals