2019 Mercedes-Benz GLS 3.0L Diesel · MD19 NUU
2019 Mercedes-Benz GLS (3.0L, diesel). First registered 08 May 2019. Recorded mileage 113,596 miles. MOT valid until 04 Jun 2027.
- Make & Model
- MERCEDES-BENZ GLS
- Year / Origin
- 2019 · Manchester & Merseyside
- Safety Recall
- Unknown
- MOT Status
- Valid until 04 Jun 2027
- Road Tax
- Untaxed (23 May 2026)
- Recorded Mileage
- 113,596 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6)
- Fuel & Engine
- Diesel · 3.0L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
MD19 NUU Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 06/06/2026
- 113,596 miles recorded at latest MOT
- No defects recorded at the latest MOT
- Recurring tyres items (5 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
MD19 NUU MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2019 Mercedes-Benz Gls (MD19 NUU) between May 2022 and June 2026.
The record contains 5 passes and 0 failures.
The record shows no MOT failures, although 11 advisory notices note items to monitor.
Across all tests, the most frequently flagged areas are: Tyres (5 issues), Suspension (4 issues), Brakes (2 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 11 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
MD19 NUU Mileage History
- 12/05/202265,195 mi
- 31/10/202385,403 mi+20,208 mi
- 21/10/202496,592 mi+11,189 mi
- 07/10/2025108,823 mi+12,231 mi
- 06/06/2026113,596 mi+4,773 mi
Average of roughly 11,897 miles per year across 5 recorded odometer readings.
Technical Specifications
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Known faults for Mercedes-Benz Mercedes-Benz GLS (X167)
Our database tracks 3 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Excellent
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
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MERCEDES-BENZ GLS Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2019 model year cars.
- AIRMATIC air spring leaks, compressor burnout and false AIRMATIC warningsSerious
Every X167 GLS rides on air springs, either AIRMATIC or E-Active Body Control. Specialist reliability data identifies cracked rubber bellows as the most common failure - one corner sags after the car has stood, and if it is ignored the compressor runs continuously trying to hold pressure and burns out, turning a single-strut job into a compressor plus strut bill. The same source notes a Mercedes technical bulletin for an 'AIRMATIC fault' warning caused by control-unit software rather than a mechanical leak, so a swap of struts may not clear it. Parkers confirms air suspension is standard across the range, which means no GLS escapes the cost.
- 48V ground connection torque fault and 48V battery failuresSerious
DVSA campaign R/2024/173 covers 218 UK GLS cars because the 48V ground connection under the passenger seat could come loose, with the bolts to be checked and re-torqued. Overseas recall data for the same 167 platform is more blunt: a manufacturing defect left the threaded nut securing the 48V harness under the seat inadequately torqued, and a loose connection can overheat, causing a fire risk plus widespread electrical faults on GLE and GLS cars built 2019-2022. Owners also report sudden '48V battery malfunction' warnings, loss of stop-start and a no-start that a conventional jump lead will not fix.
- DPF and AdBlue faults on the GLS 400d from short-trip useModerate
The GLS 400d runs the OM656 six-cylinder diesel with a full SCR system. Specialist reliability data warns that urban use prevents the particulate filter completing regeneration, producing warning lights, reduced power and eventually limp mode, with a blocked DPF that cannot be cleaned in situ running to a full replacement. Mercedes specialists describe the companion emissions failure pattern: an AdBlue warning, then a countdown stating the engine will not restart, usually caused by a failed dosing pump, tank heater or NOx sensor rather than low fluid level. Heavy SUVs used for school runs are the worst cases.
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