Is the 2014 Mercedes-Benz GL350 reliable?

The 2014 Mercedes-Benz GL350 has 7 complaints filed with NHTSA (0.6x the segment average). Our reliability verdict: above-average. Most common issue: ENGINE problems.

What are common problems with the 2014 Mercedes-Benz GL350?

Top problems: ENGINE (2 complaints, avg repair $500); OTHER (2 complaints, avg repair $500); STEERING (1 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2014 Mercedes-Benz GL350?

No recalls have been issued for the 2014 Mercedes-Benz GL350.

How much does it cost to insure a 2014 Mercedes-Benz GL350?

Estimated US average full-coverage insurance for the 2014 Mercedes-Benz GL350 is approximately $1,971/year (sedan-luxury class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2014 Mercedes-Benz GL350

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2014 Mercedes-Benz GL350 has 7 owner complaints filed with NHTSA — that's 0.6x the segment average of 12. The most common issue is engine problems (29% of all complaints), specifically: have a mercedes gl 350 with only 63000 miles, has made a small rattle sound when first purchased that i related to being diesel, rattle has gotten worse, took in to a mechanic who stated timing chain, i called my mercedes local dealership and service manager stated he spoke with auto technician who .

Total Complaints

Recalls Issued

—/5

Safety Stars

0.6x

vs Segment Avg

Known Problems(top 5 of 5)

ENGINE

2 complaints

29%

• HAVE A MERCEDES GL 350 WITH ONLY 63000 MILES, HAS MADE A SMALL RATTLE SOUND WHEN FIRST PURCHASED THAT I RELATED TO BEING DIESEL, RATTLE HAS GOTTEN WORSE, TOOK IN TO A MECHANIC WHO STATED TIMING CHAIN, I CALLED MY MERCEDES LOCAL DEALERSHIP AND SERVICE MANAGER STATED HE SPOKE WITH AUTO TECHNICIAN WHO
• The contact owns a 2014 Mercedes-Benz GL350. The contact stated that while inspecting the vehicle, there was oil leaking underneath the vehicle. Additionally, the check engine warning light was illuminated while operating the vehicle. The vehicle was taken to the local mechanic who diagnosed the veh

Typical onset: 50K miles Est. repair: $500

“HAVE A MERCEDES GL 350 WITH ONLY 63000 MILES, HAS MADE A SMALL RATTLE SOUND WHEN FIRST PURCHASED THAT I RELATED TO BEING DIESEL, RATTLE HAS GOTTEN WORSE, TOOK IN TO A MECHANIC WHO STATED TIMING CHAIN, I CALLED MY MERCEDES LOCAL DEALERSHIP AND SERVICE MANAGER STATED HE SPOKE WITH AUTO TECHNICIAN WHO ”

— NHTSA complaint filing

Estimated Insurance Cost for 2014 Mercedes-Benz GL350

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$1,971

Full coverage / month

$164

Liability only / year

$710

vs US avg

+18%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (sedan-luxury)1.28x

× theft risk1.00x

× safety rating1.00x

× vehicle age0.92x

= Full coverage estimate$1971

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Mercedes-Benz GL350 Service Intervals

Oil change

10K mi / 12 mo

Tire rotation

10K mi

Brake fluid

24 months

Transmission fluid

40K mi

Engine coolant

150K mi

Spark plugs

60K mi

Cabin air filter

20K mi

Engine air filter

40K mi

Differential (AWD/4WD)

40K mi

Service A / Service B alternating schedule. Requires MB-approved oil (229.5 spec typically).

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Mercedes-Benz New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

4 yr / 50K mi

Powertrain

4 yr / 50K mi

Hybrid/EV battery

10 yr / 155K mi

Corrosion (rust perforation)

4 yr / 50K mi

Roadside assistance

4 yr / unlimited mi

EQ EV battery warranty is 10 years/155,000 miles

These are the terms for a new Mercedes-Benz. If you're buying a used 2014 GL350, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Mercedes-Benz dealer for VIN-specific remaining warranty.

Estimated Repair Costs

ENGINE(~50K mi)

$500

OTHER(~50K mi)

$500

STEERING(~50K mi)

$500

BODY/STRUCTURE(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 7 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: HAVE A MERCEDES GL 350 WITH ONLY 63000 MILES, HAS MADE A SMALL RATTLE SOUND WHEN FIRST PURCHASED THAT I RELATED TO BEING DIESEL, RATTLE HAS GOTTEN WORSE, TOOK IN TO A MECHANIC WHO STATED TIMING CHAIN, I CALLED MY MERCEDES LOCAL DEALERSHIP AND SERVICE MANAGER STATED HE SPOKE WITH AUTO TECHNICIAN WHO
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: THE LANE-KEEPING ASSIST ONLY INTERMITTENTLY WORKS. ON OCCASION IT WILL ALERT AND TAKE CORRECTIVE ACTION, BUT EVEN ON SUNNY DAYS WITH CLEARLY DEMARCATED LANES, IT OFTEN DOES NOTHING. IN RESEARCHING THIS ISSUE, THERE ARE SEVERAL OTHER OWNERS WHO HAVE EXPERIENCED THIS AND HAVE SAID THE MERCEDES SERVICE
Typically appears around 50K miles. Repair cost ~$500
☐
STEERING: POWER STEERING WENT OUT WHILE CAR WAS PARKED , DROVE CAR WITHOUT POWER STEERING FOR ABOUT 9 MILES TO GET TO SAFE PLACE. AFTER CAR WAS RESTARTED SEVERAL TIMES STEERING STARTED TO WORK FINE. TOOK CAR TO DEALER FOR CHECK OF PROBLEM BUT THEY COULDN'T TO GET IT TO FAIL AGAIN. TO RESOLVE PROBLEM MERCEDES
Typically appears around 50K miles. Repair cost ~$500
☐
BODY/STRUCTURE: AS I WAS DRIVING DOWN ON I-27 FROM AMARILLO TO LUBBOCK AT 70 MILES PER HOUR ON 6/22/2020 IN PLEASANT WEATHER AND NO VEHICLES EITHER IN FRONT OF ME OR BESIDE ME, THE MIDDLE PANEL OF THE PANORAMIC SUNROOF SUDDENLY EXPLODED WITH THE GLASS SHATTERING INTO PIECES AND SOME OF THE PIECES DROPPING INTO THE
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)