2009 Mercedes-Benz GL450: Recalls, Problems & MPG
Here are the deets on the 2009 Mercedes-Benz GL450: 3 recalls, 15 owner complaints and up to 15 mpg combined.
Recalls
3 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Airbags Vehicle recall #16V081000 · 2016 · 711,159 vehicles
What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain model year 2009-2010 ml320 bluetec 4matic, gl320 bluetec 4matic and r320 cdi 4matic, 2011 e350 cabriolet and e550 cabriolet, 2009-2011 ml350, ml350 4matic, ml550 4matic, ml63 amg, and c63 amg, 2010-2011 ml450 4matic hybrid, e350 coupe, e350 4matic, e550 coupe, e550 4matic, and e63 amg, 2011-2012 gl350 bluetec 4matic and r350 bluetec 4matic, 2009-2012 gl450 4matic,…
Why it matters: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.
The fix: Mbusa will their notify owners, and FIAT Chrysler will notify the affected Chrysler owners. Dealers for the respective brands will replace the driver's frontal air bag module, free of charge. This recall began November 2016. Mercedes-benz
Brakes (hydraulic) Vehicle recall #22V315000 · 2022 · 350,294 vehicles
What's wrong: 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.
Why it matters: Reduced brake performance or brake failure can increase the risk of a crash.
The fix: 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. All repairs will be performed free of charge. Owner notification letters were mailed June 30, 2022.
Brakes (hydraulic) Vehicle recall #24V298000 · 2024 · 15,604 vehicles
What's wrong: 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.
Why it matters: Reduced brake performance or brake failure can increase the risk of a crash.
The fix: 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. All repairs will be performed free of charge. Owner notification letters were mailed on May 24, 2024.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.
What owners describe
- Airbags (8): no single recurring theme in the descriptions.
- Other / unknown (3): no single recurring theme in the descriptions.
- Suspension (3): no single recurring theme in the descriptions.
- Brakes (hydraulic) (2): the most common themes are warning light on (2).
The 2009 Mercedes-Benz GL450 has 15 owner complaints, ranking #9 of 11 GL450 model years for complaints (well below the 38 average). Complaints peaked in 2017 (9 filed that year). The typical problem showed up when the car was about 8 years old, at a median of 121,000 miles. Neighboring years: 2008 (55 complaints, 2 recalls), 2010 (42 complaints, 3 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 4.6 L 8-cyl | Automatic 7-spd | 4-Wheel or All-Wheel Drive | 13 | 18 | 15 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2009 Mercedes-Benz GL450.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
Does the 2009 Mercedes-Benz GL450 have any recalls?
Yes. NHTSA lists 3 vehicle recalls for the 2009 Mercedes-Benz GL450. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2009 Mercedes-Benz GL450 problems?
Owners have filed 15 complaints with NHTSA. The most-reported areas are airbags (8), other / unknown (3), suspension (3).
What gas mileage does the 2009 Mercedes-Benz GL450 get?
EPA ratings run up to 15 mpg combined (4.6 L, Automatic 7-spd), across 1 engine and transmission combos.
Where can I get a 2009 Mercedes-Benz GL450 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.