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Mercedes-Benz GL320Model year report

2008 Mercedes-Benz GL320 Problems

Complaints
20filed with NHTSA
Median mileage
80,490miles, 16 complaints with mileage
Recalls
22 do-not-drive
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA crash rating
—overall rating starts with 2011 models
EPA fuel economy
20 mpgcombined, 3.0L 6-cyl · diesel 4WD/AWD · 18 city / 24 hwy

Sources: NHTSA records for the 2008 Mercedes-Benz GL320 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 20 consumer complaints for the 2008 Mercedes-Benz GL320. The part named most often is steering, with 7 complaints (35% of the total), followed by other or unknown (4) and brakes (2). 16 of the complaints include a mileage, and 13% of those were filed for vehicles with under 50,000 miles; the median is 80,490 miles. Of all complaints, 1 involved a crash, 1 an injury, according to the filers. NHTSA lists 2 recall campaigns (2 marked do-not-drive) and 63 technical service bulletins for this model year. Steering complaints overlap with 4 technical service bulletins filed under the same part. Other or unknown complaints overlap with 2 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Steering: “I was making left hand turn, suddenly the power steering assist failed and it was impossible to steer the vehicle to bring it to safety. This happened just prior to us entering the freeway. If we were to enter the freeway and this failure would occur on the freeway, we would end up in a crash. We contacted mercedes. They sent a tow truck and the vehicle was towed to beverly hills mercedes. We contacted mercedes USA to inform them of the incident. …”

NHTSA complaint #10677044, filed 2015-01, 53,000 miles

Other or unknown: “The contact owns a 2008 Mercedes-Benz GL 320. The contact received notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) which stated that the tow was free of charge. The contact stated that he has contacted Mercedes-Benz roadside assistance to arrange for the tow and was redirected to call the Mercedes-Benz recall hotline. The contact stated that he was told to contact several other numbers to arrange for tow the dealer. The contact stated the was unable to arrange the tow to the dealer. …”

NHTSA complaint #11475718, filed 2022-07

Brakes: “The contact owns a 2008 Mercedes-Benz GL320. The contact received recall notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic). The local dealer was contacted and informed the contact that they could only repair the vehicle after a month. The contact stated that the manufacturer had exceeded a reasonable amount of time to complete the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.”

NHTSA complaint #11479622, filed 2022-08

Engine: “The car broke in the middle of the 45 MPH road in a very dangerous intersection. Towed the car to dealer and they told me the engine is completely damaged and need to be replaced. They told me the timing chain got loose and will cost ~$15k to replace the damaged engine.”

NHTSA complaint #10787401, filed 2015-10, 90,000 miles

Mileage when problems were reported

13% of the 16 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 73,900 and 96,562 miles.

0%0–100%10–2513%25–5025%50–7538%75–10019%100–1506%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (16 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 80,490 miles.

Complaints by year filed

Trend: falling. Complaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

201120122013201462015201820202022
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 2008 Mercedes-Benz GL320 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
GL320 CDI 4matic 4WD/AWD3.0L 6-cyl · diesel7-speed automatic182420$4,800

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2008 Mercedes-Benz GL320 → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 63 on record; the latest 10 are shown.

See all 63 bulletins →

Other model years of the Mercedes-Benz GL320

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
2009669,0003———Not enough data
20082080,4902—20—Falling
2007557,4532—20—Not enough data

All Mercedes-Benz GL320 model years

Frequently asked questions

How many NHTSA complaints does the 2008 Mercedes-Benz GL320 have?

NHTSA recorded 20 consumer complaints for the 2008 Mercedes-Benz GL320 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2008 Mercedes-Benz GL320 is reported most often?

Steering is named most often, in 7 complaints (35% of the total), followed by other or unknown with 4.

Has the 2008 Mercedes-Benz GL320 been recalled?

NHTSA lists 2 recall campaigns for this model year, 2 of them with a do-not-drive advisory. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2008 Mercedes-Benz GL320 get?

The EPA rates the 2008 Mercedes-Benz GL320 (GL320 CDI 4matic, 3.0L 6-cyl · diesel) at 20 mpg combined, 18 city and 24 highway, with an estimated annual fuel cost of $4,800 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2008 Mercedes-Benz GL320 reported?

Among the 16 complaints that include a mileage, the median is 80,490 miles and the middle half falls between 73,900 and 96,562 miles; 13% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.