Mercedes-Benz logo

Mercedes-Benz CLS

Black · Diesel · 2016 · 2,987 cc

L21 STXMOT history

L21 STX is a black diesel Mercedes-Benz CLS first used on 4 Apr 2016. Its MOT is valid until 21 Oct 2027 and it has passed 8 of 10 MOT tests, with 172,145 miles recorded at the latest.

From DVSA MOT records, updated 13 Oct 2026.

L21 STX black Mercedes-Benz Cls – car details, MOT history and tax status
Illustration of a Mercedes-Benz Cls, not a photo of this vehicle
MOT
Valid
Until 21 Oct 2027
Mileage
172,145 mi
At MOT on 12 Oct 2026
MOT tests
10
8 passed · 2 failed
Per year
15,823 mi
Average between MOTs
Get reminders for L21 STX in the free Driver Codes app

Vehicle details

Registration
L21 STX
Registration format
Prefix (1983 to 2001)
Make
Mercedes-Benz
Model
CLS
Colour
Black
Fuel type
Diesel
Engine size
2,987 cc
Year of manufacture
2016
First used
4 Apr 2016
MOT status
MOT valid until 21 Oct 2027
Latest MOT test
12 Oct 2026 (Pass)

Mileage history

L21 STX was last recorded at 172,145 miles on 12 Oct 2026, 17,489 miles more than at the previous MOT on 20 Oct 2025.

Odometer reading at each MOT testPassFail
Previous MOT
154,656 miles · 20 Oct 2025
Between the last two tests
17,489 miles
Average per year
15,823 miles

Recorded mileage by year

  • 2026 – 172,145 miles
  • 2025 – 154,656 miles
  • 2024 – 136,111 miles
  • 2023 – 119,448 miles
  • 2022 – 102,341 miles
  • 2021 – 85,887 miles
  • 2020 – 73,093 miles
  • 2019 – 53,011 miles

What the latest MOT found

Pass172,145 miles
  • AdvisoryOffside Front Wheel bearing has slight play (5.1.3 (a) (i))
  • AdvisoryRear Brake pad(s) wearing thin (1.1.13 (a) (ii))

What MOT advisories mean

Full MOT history

10 tests since 2 Apr 2019, newest first. Select a test to see every defect and advisory.

  1. Pass172,145 miles (+17,489)2 advisories
    MOT expiry
    21 Oct 2027
    Odometer
    172,145 miles
    Test number
    120222974188
    • AdvisoryOffside Front Wheel bearing has slight play (5.1.3 (a) (i))
    • AdvisoryRear Brake pad(s) wearing thin (1.1.13 (a) (ii))

  2. Pass154,656 miles (+18,545)2 advisories
    MOT expiry
    21 Oct 2026
    Odometer
    154,656 miles
    Test number
    686367495604
    • AdvisoryNearside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
    • AdvisoryOffside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

  3. Pass136,111 miles (+16,663)2 advisories
    MOT expiry
    21 Oct 2025
    Odometer
    136,111 miles
    Test number
    927663319912
    • 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))

  4. Pass119,448 miles (+17,107)
    MOT expiry
    21 Oct 2024
    Odometer
    119,448 miles
    Test number
    320671463224

    No defects or advisories recorded.

  5. Pass102,341 miles
    MOT expiry
    21 Oct 2023
    Odometer
    102,341 miles
    Test number
    589667261510

    No defects or advisories recorded.

  6. Fail102,341 miles (+16,454)2 dangerous
    MOT expiry
    No new certificate
    Odometer
    102,341 miles
    Test number
    342740290768
    • DangerousNearside Front Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii))
    • DangerousOffside Front Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii))

  7. Pass85,887 miles
    MOT expiry
    21 Oct 2022
    Odometer
    85,887 miles
    Test number
    321457984935

    No defects or advisories recorded.

  8. Fail85,887 miles (+12,794)1 major
    MOT expiry
    No new certificate
    Odometer
    85,887 miles
    Test number
    312575400915
    • MajorRear fog lamp not working (4.5.1 (a) (ii))

  9. Pass73,093 miles (+20,082)
    MOT expiry
    3 Oct 2021
    Odometer
    73,093 miles
    Test number
    306844895564

    No defects or advisories recorded.

  10. Pass53,011 miles1 minor3 advisories
    MOT expiry
    3 Oct 2020
    Odometer
    53,011 miles
    Test number
    390758459158
    • MinorNearside Front Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))
    • AdvisoryEngine cover fitted
    • AdvisoryItems removed from driver's view prior to test
    • AdvisoryUnder trays fitted

Questions about L21 STX

Does L21 STX currently have a valid MOT?
Yes. DVSA records show the MOT on L21 STX is valid until 21 Oct 2027.
When is the MOT due on L21 STX?
The MOT on L21 STX is valid until 21 Oct 2027. It can be tested up to a month (minus a day) before then and keep the same renewal date.
What mileage has L21 STX done?
L21 STX was recorded at 172,145 miles at its MOT on 12 Oct 2026, an average of 15,823 miles a year.
Has L21 STX ever failed its MOT?
Yes. L21 STX has failed 2 of its 10 MOT tests, most recently on 17 Oct 2022.
Has the mileage on L21 STX 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 L21 STX find?
L21 STX passed its latest MOT on 12 Oct 2026 with 2 advisories: offside front wheel bearing has slight play; rear brake pad(s) wearing thin.

Related registrations

Browse all L21S 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.