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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
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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.

Odometer reading at each MOT testPassFail
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

Pass57,741 miles

No defects or advisories were recorded.

What MOT advisories mean

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.

  1. Pass57,741 miles (+6,868)
    MOT expiry
    28 Jun 2027
    Odometer
    57,741 miles
    Test number
    508384946641

    No defects or advisories recorded.

  2. 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))
  3. Pass41,821 miles (+7,733)
    MOT expiry
    7 Jun 2025
    Odometer
    41,821 miles
    Test number
    252462012545

    No defects or advisories recorded.

  4. Pass34,088 miles (+1,520)
    MOT expiry
    7 Jun 2024
    Odometer
    34,088 miles
    Test number
    931005969316

    No defects or advisories recorded.

  5. 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))
  6. 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
  7. 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
  8. 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.

Browse all T66G 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.