Is the 2015 Mercedes-Benz ML350 reliable?

The 2015 Mercedes-Benz ML350 has 78 complaints filed with NHTSA (0.7x the segment average). Our reliability verdict: above-average. Most common issue: ENGINE problems.

What are common problems with the 2015 Mercedes-Benz ML350?

Top problems: ENGINE (12 complaints, avg repair $500); FUEL SYSTEM (12 complaints, avg repair $500); OTHER (10 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2015 Mercedes-Benz ML350?

No recalls have been issued for the 2015 Mercedes-Benz ML350.

How much does it cost to fuel a 2015 Mercedes-Benz ML350?

The 2015 Mercedes-Benz ML350 gets 20 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $2400. See the interactive fuel cost calculator on this page for state-specific pricing.

How much does it cost to insure a 2015 Mercedes-Benz ML350?

Estimated US average full-coverage insurance for the 2015 Mercedes-Benz ML350 is approximately $2,079/year (suv-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.

2015 Mercedes-Benz ML350

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2015 Mercedes-Benz ML350 has 78 owner complaints filed with NHTSA — that's 0.7x the segment average of 107. The most common issue is engine problems (15% of all complaints), specifically: command system of car not responding properly, engine light illuminated, loud noises from engine. *tr.

11 crash reports 4 injuries

Total Complaints

Recalls Issued

—/5

Safety Stars

0.7x

vs Segment Avg

Known Problems(top 5 of 8)

ENGINE

12 complaints

15%

• COMMAND SYSTEM OF CAR NOT RESPONDING PROPERLY, ENGINE LIGHT ILLUMINATED, LOUD NOISES FROM ENGINE. *TR
• WHEN THE VEHICLE'S PARKING MECHANISM IS ENGAGED, THE VEHICLE ROLLS SEVERAL FEET BEFORE COMING TO A COMPLETE STOP; THEREBY ENDANGERING ANYONE IN, NEAR, OR AROUND THE VEHICLE AT THAT TIME FROM GETTING RUN OVER OR, SERIOUSLY INJURED BY THE MOVING VEHICLE.
• GOING TO WORK IN THE MORNING AND PULLING OUT OF THE GARAGE MY FOOT WAS ON THE BRAKE NOT THE ACCELERATOR IN REVERSE SUDDENLY THE CAR SURGED BY ITSELF WHILE I HAD MY FOOT ON THE BRAKE. THE CAR WENT IN REVERSE VERY FAST HITTING OUR SIDE CONCRETE SIDE WALL. (THE DISTANCE IS ABOUT (28FT) THE IMPACT WAS

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

“COMMAND SYSTEM OF CAR NOT RESPONDING PROPERLY, ENGINE LIGHT ILLUMINATED, LOUD NOISES FROM ENGINE. *TR”

— NHTSA complaint filing

When Problems Appear on the 2015 Mercedes-Benz ML350

Based on 49 owner complaints that included an odometer reading. Median mileage at time of complaint: 19K miles. Most complaints cluster in the 0-30K miles range.

Overall complaint distribution by mileage

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

ENGINE

In line with typicalmedian 17K mi · 6 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

TRANSMISSION

In line with typicalmedian 12K mi · 6 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

OTHER

In line with typicalmedian 6K mi · 5 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

FUEL SYSTEM

High-mileage issuemedian 88K mi · 9 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.

Fuel Cost Calculator for 2015 Mercedes-Benz ML350

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$2,401

Per month

$200

Per mile

20.0¢

MPG

City driving (worst-case MPG)

$2,667/yr

Highway driving (best-case MPG)

$2,087/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today

Show:

Current

$4.00

5-year low

$2.78

5-year high

$5.01

Since 2021

+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2015 Mercedes-Benz ML350

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

$2,079

Full coverage / month

$173

Liability only / year

$732

vs US avg

+24%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (suv-luxury)1.35x

× theft risk1.00x

× safety rating1.00x

× vehicle age0.92x

= Full coverage estimate$2079

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

Maintenance & Warranty

Recommended Mercedes-Benz ML350 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 2015 ML350, 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

FUEL SYSTEM(~50K mi)

$500

OTHER(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

BRAKES(~50K mi)

$500

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

🔍 Pre-Purchase Inspection Checklist

Based on 78 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: COMMAND SYSTEM OF CAR NOT RESPONDING PROPERLY, ENGINE LIGHT ILLUMINATED, LOUD NOISES FROM ENGINE. *TR
Typically appears around 50K miles. Repair cost ~$500
☐
FUEL SYSTEM: GOING TO WORK IN THE MORNING AND PULLING OUT OF THE GARAGE MY FOOT WAS ON THE BRAKE NOT THE ACCELERATOR IN REVERSE SUDDENLY THE CAR SURGED BY ITSELF WHILE I HAD MY FOOT ON THE BRAKE. THE CAR WENT IN REVERSE VERY FAST HITTING OUR SIDE CONCRETE SIDE WALL. (THE DISTANCE IS ABOUT (28FT) THE IMPACT WAS
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: COMMAND SYSTEM OF CAR NOT RESPONDING PROPERLY, ENGINE LIGHT ILLUMINATED, LOUD NOISES FROM ENGINE. *TR
Typically appears around 50K miles. Repair cost ~$500
☐
TRANSMISSION: ROLLAWAY INCIDENT DUE TO AUTOMATIC GEAR SELECTOR MOUNTED ON STEERING COLUMN. *TR
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)