Most common 2007 Mercedes-Benz GL320 problems
Share of the 5 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Mercedes-Benz GL320 complaints by model year
Best GL320 years: 2007, 2009. Years to avoid: 2008. Compare all years →
2007 Mercedes-Benz GL320 recalls (2)
Service brakes, hydraulic › Power assist › Vacuum
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML, GL, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.
Remedy: Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster.
Service brakes, hydraulic › Power assist › Vacuum
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML-Class, GL-Class, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.
Remedy: Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster.
2007 Mercedes-Benz GL320 engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.0L 6-cyl turbo diesel | 7-speed automatic | 4WD/AWD | 18 / 23 / 20 |
EPA ratings. Class: SUV.
Frequently asked questions
Is the 2007 Mercedes-Benz GL320 a good car?
Based on 5 owner complaints filed with NHTSA, the 2007 GL320 rates better than average: 52% fewer complaints than a typical year of the GL320 at the same age. It is one of the best GL320 years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2007 Mercedes-Benz GL320?
The suspension — 2 complaints, 40% of all complaints for this model year, most often about front. Next are the a/c & heater (1) and engine & cooling (1).
How many recalls does the 2007 Mercedes-Benz GL320 have?
There are 2 recalls for the 2007 Mercedes-Benz GL320, the most recent from April 26, 2024 (vacuum). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Mercedes-Benz GL320?
The best years by complaints, compared at the same age, are 2007 and 2009. Years to avoid or approach with caution: 2008. See the full Mercedes-Benz GL320 years comparison.
At what mileage do 2007 Mercedes-Benz GL320 problems happen?
The median mileage reported in complaints is about 57,000 miles; 40% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.