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#BS-2017-MERGLS-5049

2017 Mercedes Benz Gls450

Based on reports from 51 owners and 8 recalls for this exact model.

Complaints

Crashes

Fires

Recalls

TSBs

🟡

Preliminary Verdict

Think Twice

Based on 51 complaints, 2 crashes, 12 fires, and 8 recalls.

See full verdict with buy/skip conditions

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the ElectricalHIGH

8 owners reported electrical issues — failures commonly reported around 13K miles.

!Inspect the EngineMED

Look for symptoms of wear and premature failure

+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

0–30K

30–60K

60–90K

90–120K

120–150K

150K+

Peak failure range: 0–30K miles (12 reports) • Median: 13K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Electrical (8 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Electrical8 (16%)

Engine7 (14%)

Other7 (14%)

Lights6 (12%)

Fuel System5 (10%)

Steering4 (8%)

Drivetrain2 (4%)

Seats2 (4%)

2017 Mercedes Benz Gls450: Known Issues & Problem Areas

Electrical Issues

Electrical complaints account for 16% of all reports filed for the 2017 Mercedes Benz Gls450, with 8 owners filing complaints with NHTSA. The median mileage at time of complaint is 13,000 miles, suggesting issues tend to surface around the 13K-mile mark.

Engine Issues

Engine complaints account for 14% of all reports filed for the 2017 Mercedes Benz Gls450, with 7 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.

Lights Issues

Lights complaints account for 12% of all reports filed for the 2017 Mercedes Benz Gls450, with 6 owners filing complaints with NHTSA. Owners should pay attention to lights-related symptoms during test drives and pre-purchase inspections.

Fuel System Issues

Fuel System complaints account for 10% of all reports filed for the 2017 Mercedes Benz Gls450, with 5 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

Complaints filed with NHTSA by year for the 2017 Mercedes Benz Gls450. Recent trend: stable.

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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (8 recalls)

17V077000Mar 2017

LATCHES/LOCKS/LINKAGES

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 GLE 400 4Matic, GLE 350 4Matic, GLE 350, GLE 550E 4Matic, GLE 63 AMG, GLE 63S AMG, GLE 43 AMG 4Matic Coupe, GLE 63S AMG 4Matic Coupe, GLS 450 4Matic, GLS 550 4Matic, and GLS 63 AMG 4Matic vehicles. In certain types of crash events, the center console may unlatch, allowing the objects within to fly around the cabin. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 201, "Occupant Protection in Interior Impact."

17V655000Feb 2018

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 GLE300d 4Matic, GLE400 4Matic, GLE350 4Matic, GLE63 AMG, GLE63 AMG Coupe, GLE63S AMG and GLE63S AMG Coupe, and 2017 GLS450 4Matic, GLE550 4Matic, and GLE63 AMG 4Matic vehicles. These vehicles may have excess bulkhead insulation extending into the lower windshield area, possibly affecting the windshield bonding and the full protective function of the passenger's frontal air bag in the event of a crash.

17V816000Mar 2018

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 GLE400 4Matic, GLE350 4Matic, GLE350, GLE550e 4Matic, GLE43 AMG 4Matic, GLE63 AMG 4Matic, GLS450, GLE63S 4Matic, GLS63 4Matic, S550e, S600, S63 AMG 4Matic, S65 AMG, S550, Mercedes-Maybach S600, Mercedes-Maybach S550 4Matic, GLE43 AMG 4Matic Coupe, GLE63S 4Matic Coupe, 2017-2018 GLS550 4Matic, S550 4Matic, 2018 S450, and S63 AMG 4Matic vehicles. The rear passenger door on the driver side may indicate that it is locked, when it may not be. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 206, "Door Locks and Door Retention Components."

18V272000Aug 2018

SUSPENSION:FRONT

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML350 Bluetec 4Matic and ML550 4Matic, 2012-2015 ML63 AMG 4Matic and ML350 4Matic, 2013-2016 GL350 Bluetec 4Matic, GL550 4Matic and GL63 AMG 4Matic, 2017 GLS350d 4Matic, GLS450 4Matic, GLS550 4Matic and GLS63 AMG 4Matic, 2015 ML400 4Matic, 2016 GLE400 4Matic, GLE350 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, GLE450 4Matic Coupe and GLE63S AMG 4Matic Coupe, 2015-2016 GL450 4Matic and 2013-2014 GL450 4Matic vehicles equipped with the Active Curve System (ACS). In certain driving conditions, if the oil level in the ACS reservoir is below the minimum level, the oil may foam and leak out of the vent holes in the reservoir cap.

19V787000Dec 2019

COMMUNICATION

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf

+ 3 more recalls in the full report

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 51 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 8 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Mercedes Benz Gls450 Model Years

2021 2020 2019 2017 2016

View all Mercedes Benz Gls450 years →

2017 Mercedes Benz Gls450: Frequently Asked Questions

What is the most common problem with the 2017 Mercedes Benz Gls450?

The most commonly reported issue with the 2017 Mercedes Benz Gls450 is related to the electrical, with 8 complaints filed with NHTSA.

Is the 2017 Mercedes Benz Gls450 reliable?

The 2017 Mercedes Benz Gls450 has 51 complaints, 2 crash reports, and 12 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.

How much does it cost to fix 2017 Mercedes Benz Gls450 problems?

Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.

Does the 2017 Mercedes Benz Gls450 have any recalls?

Yes, the 2017 Mercedes Benz Gls450 has 8 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.

What mileage do Mercedes Benz Gls450 problems start?

Based on 19 complaints with mileage data, the median mileage at time of complaint is 13,000 miles. The highest concentration of reported issues occurs in the 0–30K mile range. The full report breaks down exactly which components fail at each mileage bracket.

What’s in the full report?

10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.

How is this different from free NHTSA data?

NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.

How is this different from Carfax?

Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.

What if the report isn’t useful?

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