Mercedes Benz

Mercedes Benz Gls (2019)

373 real MOT outcomes analysed • 91.5% first-time pass rate

2019 Mercedes Benz Gls

CarHunch analysed 373 real MOT records for the 2019 Mercedes Benz Gls. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

Moderate sample. 373 vehicles on record. Figures are indicative — the specific vehicle's history matters more than these averages.

The 2019 Mercedes-Benz GLS is significantly more reliable than the UK average, with a first-time MOT pass rate of 91.5% against the national benchmark of 80%. However, nearly 20% of these vehicles have recorded a dangerous defect at some point, which is worth investigating on any specific example you're considering—ask the seller for full MOT history and check for patterns in what failed.

These GLSes are running at modest mileage for their age (median 38,313 miles), which partly explains the strong pass rate, though the 0.46 average failures per vehicle suggests few serious issues when they do crop up. The 2.9 advisories per test indicate minor wear and maintenance needs are normal, so budget for routine servicing; before purchase, get a pre-buy inspection focused on suspension and brake components, where Mercedes SUVs commonly show early wear.

The 2019 Mercedes Benz Gls passes its MOT first time at roughly the UK average rate (91.5%) — solid but worth checking this vehicle's history carefully.

⚠️ Around 1 in 8 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.
First-time pass
91.5%
UK average ~80%
Better than average
Dangerous (ever)
19.8%
At least once in MOT history
Check this vehicle
Avg failures / car
0.46
Over 4.3 tests on record
Low
Typical mileage
38k
Middle half: 30k–50k
For context
Good baseline reliability. A 91.5% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.
🔧 Expect consumable spend. An average of 2.9 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.
🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 373 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Average reliability — agree?

What tends to go wrong

Across 373 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Tyre wear 23.8%
Offside Rear Tyre worn close to legal limit/worn on edge · Nearside Rear Tyre worn close to legal limit/worn on edge · Nearside Front Tyre worn close to legal limit/worn on edge · …
Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.
Brake wear 15%
Front Brake pad(s) wearing thin · Rear Brake pad(s) wearing thin · Front Brake disc worn, but not excessively · …
Ask the seller when brakes were last serviced. If they don't know, factor in the cost.
Other issues 5.9%
Windscreen damaged but not adversely affecting driver's view · Nearside Rear Child Seat fitted not allowing full inspection of adult belt · Offside Rear Child Seat fitted not allowing full inspection of adult belt

Data covers a 3-year window centred on 2019.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 373 Mercedes Benz Gls cars.

UK

Before you buy a 2019 Mercedes Benz Gls

Based on MOT data from 373 vehicles — here's what to check.

  • 📋 Check the full MOT history. 19.8% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
    Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
  • 🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection ClickMechanic
  • 📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History carVertical Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Diesel (90%) 336 91.6% 0.46

Colour Breakdown

Based on 2,296 Mercedes Benz Gls vehicles registered in the UK — across all years. From DVLA registration records.

Black 47.4%
1,089
Grey 16.9%
389
White 12.8%
293
Blue 10.4%
238
Silver 10.2%
235
Red 1.9%
44
Brown 0.3%
8

Mileage Distribution

Most 2019 Mercedes Benz Gls vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

38,313
typical
29,763
low mileage
50,227
high mileage

Half of all 2019 Mercedes Benz Gls vehicles fall between 29,763 and 50,227 miles.

Is the mileage you're seeing normal?
Under 29,763 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.
29,763–50,227 miles — normal for age. This is where most 2019 Mercedes Benz Glss sit.
Over 67,806 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2019 Mercedes Benz Gls — Still on the Road

Most 2019 Mercedes Benz Glss are still being driven.

Strong survival — 317 vehicles still getting MOTs in 2025, 89% of the peak.

354 317 2022 2025

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2022–2025.

MOT History Averages

4.3
Avg MOT tests per vehicle
0.46
Avg failures per vehicle
2.9
Avg advisories per vehicle
Other model years — Mercedes Benz Gls: All Gls years → Which year to buy? →
2016 2017 2018

Or browse all models: Mercedes Benz →

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Average reliability — agree?