
Mercedes-Benz S-Class
Black · Diesel · 2017 · 2,987 cc
T66 GSMMOT history
T66 GSM is a black diesel Mercedes-Benz S-Class first used on 22 Feb 2017. Its MOT is valid until 28 Jun 2027 and it has passed 7 of 8 MOT tests, with 57,741 miles recorded at the latest.
From DVSA MOT records, updated 29 Jun 2026.
- MOT
- Valid
- Until 28 Jun 2027
- Mileage
- 57,741 mi
- At MOT on 29 Jun 2026
- MOT tests
- 8
- 7 passed · 1 failed
- Per year
- 5,276 mi
- Average between MOTs
Vehicle details
- Registration
- T66 GSM
- Registration format
- Prefix (1983 to 2001)
- Make
- Mercedes-Benz
- Model
- S-Class
- Colour
- Black
- Fuel type
- Diesel
- Engine size
- 2,987 cc
- Year of manufacture
- 2017
- First used
- 22 Feb 2017
- MOT status
- MOT valid until 28 Jun 2027
- Latest MOT test
- 29 Jun 2026 (Pass)
Mileage history
T66 GSM was last recorded at 57,741 miles on 29 Jun 2026, 6,868 miles more than at the previous MOT on 4 Jun 2025.
- Previous MOT
- 50,873 miles · 4 Jun 2025
- Between the last two tests
- 6,868 miles
- Average per year
- 5,276 miles
Recorded mileage by year
- 2026 – 57,741 miles
- 2025 – 50,873 miles
- 2024 – 41,821 miles
- 2023 – 34,088 miles
- 2022 – 32,568 miles
- 2021 – 28,065 miles
- 2020 – 24,112 miles
What the latest MOT found
No defects or advisories were recorded.
Recurring issues
Items recorded at more than one earlier MOT but not at the latest one. Repeat advisories can show maintenance that was put off.
Engine covers fitted
Advisory2 MOTs, 2021
Under trays fitted front to rear, unable to check some testable items
Advisory2 MOTs, 2021
Full MOT history
8 tests since 13 Feb 2020, newest first. Select a test to see every defect and advisory.
Pass57,741 miles (+6,868)
- MOT expiry
- 28 Jun 2027
- Odometer
- 57,741 miles
- Test number
- 508384946641
No defects or advisories recorded.
Pass50,873 miles (+9,052)2 advisories
- MOT expiry
- 7 Jun 2026
- Odometer
- 50,873 miles
- Test number
- 891626319474
- AdvisoryNearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- AdvisoryOffside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Pass41,821 miles (+7,733)
- MOT expiry
- 7 Jun 2025
- Odometer
- 41,821 miles
- Test number
- 252462012545
No defects or advisories recorded.
Pass34,088 miles (+1,520)
- MOT expiry
- 7 Jun 2024
- Odometer
- 34,088 miles
- Test number
- 931005969316
No defects or advisories recorded.
Pass32,568 miles (+4,503)7 advisories
- MOT expiry
- 21 Feb 2023
- Odometer
- 32,568 miles
- Test number
- 858232268477
- AdvisoryBrake disc worn, pitted or scored, but not seriously weakened Both rears (1.1.14 (a) (ii))
- AdvisoryNearside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))
- AdvisoryNearside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))
- AdvisoryNearside Front Tyre worn close to legal limit/worn on edge Slight wear on both edge(s) (5.2.3 (e))
- AdvisoryOffside Front Tyre worn close to legal limit/worn on edge Slight wear on both edge(s) (5.2.3 (e))
- AdvisoryOffside Play in steering rack inner joint(s)
- AdvisoryRear Inner Brake pad(s) wearing thin look low (1.1.13 (a) (ii))
Pass28,065 miles (+11)2 advisories
- MOT expiry
- 21 Feb 2022
- Odometer
- 28,065 miles
- Test number
- 315111644303
- AdvisoryEngine covers fitted
- AdvisoryUnder trays fitted front to rear, unable to check some testable items
Fail28,054 miles (+3,942)1 major4 advisories
- MOT expiry
- No new certificate
- Odometer
- 28,054 miles
- Test number
- 914982199022
- MajorNearside Front Service brake excessively fluctuating (1.2.1 (e))
- AdvisoryFront Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (1.2.1 (b) (i))
- AdvisoryOffside Front Service brake fluctuating, but not excessively (1.2.1 (e))
- AdvisoryEngine covers fitted
- AdvisoryUnder trays fitted front to rear, unable to check some testable items
Pass24,112 miles
- MOT expiry
- 21 Feb 2021
- Odometer
- 24,112 miles
- Test number
- 942110105265
No defects or advisories recorded.
Questions about T66 GSM
- Does T66 GSM currently have a valid MOT?
- Yes. DVSA records show the MOT on T66 GSM is valid until 28 Jun 2027.
- When is the MOT due on T66 GSM?
- The MOT on T66 GSM is valid until 28 Jun 2027. It can be tested up to a month (minus a day) before then and keep the same renewal date.
- What mileage has T66 GSM done?
- T66 GSM was recorded at 57,741 miles at its MOT on 29 Jun 2026, an average of 5,276 miles a year.
- Has T66 GSM ever failed its MOT?
- Yes. T66 GSM has failed 1 of its 8 MOT tests, most recently on 21 Jan 2021.
- Has the mileage on T66 GSM ever gone down?
- No. The odometer reading went up or stayed the same at every MOT test on record. Service records are still worth checking.
- What did the latest MOT on T66 GSM find?
- T66 GSM passed its latest MOT on 29 Jun 2026 with no defects or advisories recorded.
Related registrations
Contains DVSA MOT history data, public sector information licensed under the Open Government Licence v3.0. Driver Codes is not affiliated with DVSA or DVLA.