
Mercedes-Benz B-Class
Blue · Diesel · 2010 · 1,991 cc
S21 KMGMOT history
S21 KMG is a blue diesel Mercedes-Benz B-Class first used on 4 Nov 2010. Its MOT is valid until 27 Jul 2027 and it has passed 13 of 20 MOT tests, with 136,037 miles recorded at the latest.
From DVSA MOT records, updated 28 Jul 2026.

- MOT
- Valid
- Until 27 Jul 2027
- Mileage
- 136,037 mi
- At MOT on 28 Jul 2026
- MOT tests
- 20
- 13 passed · 7 failed
- Per year
- 7,112 mi
- Average between MOTs
Vehicle details
- Registration
- S21 KMG
- Registration format
- Prefix (1983 to 2001)
- Make
- Mercedes-Benz
- Model
- B-Class
- Colour
- Blue
- Fuel type
- Diesel
- Engine size
- 1,991 cc
- Year of manufacture
- 2010
- First used
- 4 Nov 2010
- MOT status
- MOT valid until 27 Jul 2027
- Latest MOT test
- 28 Jul 2026 (Pass)
Mileage history
S21 KMG was last recorded at 136,037 miles on 28 Jul 2026, 5,895 miles more than at the previous MOT on 6 Oct 2025.
- Previous MOT
- 130,142 miles · 6 Oct 2025
- Between the last two tests
- 5,895 miles
- Average per year
- 7,112 miles
Recorded mileage by year
- 2026 – 136,037 miles
- 2025 – 130,142 miles
- 2024 – 117,598 miles
- 2023 – 103,537 miles
- 2022 – 93,740 miles
- 2021 – 92,449 miles
- 2020 – 88,493 miles
- 2019 – 82,512 miles
- 2018 – 75,632 miles
- 2017 – 69,328 miles
- 2016 – 62,733 miles
- 2015 – 51,722 miles
- 2014 – 49,485 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.
Offside Front Brake pipe corroded, covered in grease or other material
Advisory2 MOTs, 2022–2023
Nearside Front Tyre worn close to the legal limit (4.1.E.1)
Advisory2 MOTs, 2016
Nearside Front constant velocity joint gaiter damaged, but preventing the ingress of dirt (2.5.C.1a)
Advisory2 MOTs, 2016
Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)
Advisory2 MOTs, 2014–2015
Full MOT history
20 tests since 27 May 2014, newest first. Select a test to see every defect and advisory.
Pass136,037 miles (+5,895)
- MOT expiry
- 27 Jul 2027
- Odometer
- 136,037 miles
- Test number
- 351995546630
No defects or advisories recorded.
Pass130,142 miles1 advisory
- MOT expiry
- 26 Oct 2026
- Odometer
- 130,142 miles
- Test number
- 694131098258
- AdvisoryOffside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Fail130,142 miles (+12,544)1 dangerous1 advisory
- MOT expiry
- No new certificate
- Odometer
- 130,142 miles
- Test number
- 976720461556
- DangerousOffside Rear Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii))
- AdvisoryOffside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Pass117,598 miles
- MOT expiry
- 26 Oct 2025
- Odometer
- 117,598 miles
- Test number
- 550126700002
No defects or advisories recorded.
Fail117,598 miles (+14,061)2 major
- MOT expiry
- No new certificate
- Odometer
- 117,598 miles
- Test number
- 415945114622
- MajorNearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))
- MajorNearside Side repeater not working (4.4.1 (a) (ii))
Pass103,537 miles1 advisory
- MOT expiry
- 26 Oct 2024
- Odometer
- 103,537 miles
- Test number
- 166757300094
- AdvisoryOffside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
Fail103,537 miles (+9,797)1 repaired1 advisory
- MOT expiry
- No new certificate
- Odometer
- 103,537 miles
- Test number
- 601628699797
- Repaired at testNearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))
- AdvisoryOffside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
Pass93,740 miles (+1,291)3 advisories
- MOT expiry
- 26 Oct 2023
- Odometer
- 93,740 miles
- Test number
- 797990629059
- AdvisoryOffside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- AdvisoryOffside Front Shock absorbers has slight external damage to the casing (5.3.2 (b))
- AdvisoryRear Brake pipe corroded, covered in grease or other material both sides (1.1.11 (c))
Pass92,449 miles2 advisories
- MOT expiry
- 26 Oct 2022
- Odometer
- 92,449 miles
- Test number
- 383680448750
- AdvisoryNearside Brake pipe corroded, covered in grease or other material front to rear (1.1.11 (c))
- AdvisoryOffside Brake pipe corroded, covered in grease or other material front to rear (1.1.11 (c))
Fail92,449 miles (+3,956)2 repaired2 advisories
- MOT expiry
- No new certificate
- Odometer
- 92,449 miles
- Test number
- 775298007827
- Repaired at testNearside Rear Direction indicator incorrect colour (4.4.3 (a))
- Repaired at testOffside Rear Direction indicator incorrect colour (4.4.3 (a))
- AdvisoryNearside Brake pipe corroded, covered in grease or other material front to rear (1.1.11 (c))
- AdvisoryOffside Brake pipe corroded, covered in grease or other material front to rear (1.1.11 (c))
Pass88,493 miles (+5,981)
- MOT expiry
- 26 Oct 2021
- Odometer
- 88,493 miles
- Test number
- 322117530402
No defects or advisories recorded.
Pass82,512 miles (+6,880)4 advisories
- MOT expiry
- 28 Nov 2020
- Odometer
- 82,512 miles
- Test number
- 105470335770
- AdvisoryFront Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- AdvisoryOffside Front Service brake fluctuating, but not excessively (1.2.1 (e))
- AdvisoryRear Direction indicator slightly discoloured both (4.4.3 (a))
- AdvisoryUnder tray fitted
Pass75,632 miles
- MOT expiry
- 28 May 2019
- Odometer
- 75,632 miles
- Test number
- 436484611148
No defects or advisories recorded.
Fail75,631 miles (+6,303)1 failure
- MOT expiry
- No new certificate
- Odometer
- 75,631 miles
- Test number
- 805230312525
- FailureParking brake: efficiency below requirements (3.7.B.7)
Pass69,328 miles (+6,595)
- MOT expiry
- 28 May 2018
- Odometer
- 69,328 miles
- Test number
- 430362059815
No defects or advisories recorded.
Pass62,733 miles2 advisories
- MOT expiry
- 28 May 2017
- Odometer
- 62,733 miles
- Test number
- 504770658451
- AdvisoryNearside Front Tyre worn close to the legal limit (4.1.E.1)
- AdvisoryNearside Front constant velocity joint gaiter damaged, but preventing the ingress of dirt (2.5.C.1a)
Fail62,733 miles (+11,011)1 failure2 advisories
- MOT expiry
- No new certificate
- Odometer
- 62,733 miles
- Test number
- 485516597774
- FailureNearside Steering rack gaiter split (2.2.D.2d)
- AdvisoryNearside Front Tyre worn close to the legal limit (4.1.E.1)
- AdvisoryNearside Front constant velocity joint gaiter damaged, but preventing the ingress of dirt (2.5.C.1a)
Pass51,722 miles (+2,237)1 advisory3 notes
- MOT expiry
- 28 May 2016
- Odometer
- 51,722 miles
- Test number
- 719589945164
- AdvisoryParking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)
- NoteEngine covers fitted obscuring some components in the engine bay
- NoteNail in nearside rear tyre
- NoteUnder-trays fitted obscuring some underside components
Pass49,485 miles
- MOT expiry
- 28 May 2015
- Odometer
- 49,485 miles
- Test number
- 795939544184
No defects or advisories recorded.
Fail49,485 miles1 failure2 advisories
- MOT expiry
- No new certificate
- Odometer
- 49,485 miles
- Test number
- 408377444122
- FailureNearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc (2.5.C.1a)
- AdvisoryParking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)
- AdvisoryService brake: service brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)
Questions about S21 KMG
- Does S21 KMG currently have a valid MOT?
- Yes. DVSA records show the MOT on S21 KMG is valid until 27 Jul 2027.
- When is the MOT due on S21 KMG?
- The MOT on S21 KMG is valid until 27 Jul 2027. It can be tested up to a month (minus a day) before then and keep the same renewal date.
- What mileage has S21 KMG done?
- S21 KMG was recorded at 136,037 miles at its MOT on 28 Jul 2026, an average of 7,112 miles a year.
- Has S21 KMG ever failed its MOT?
- Yes. S21 KMG has failed 7 of its 20 MOT tests, most recently on 6 Oct 2025.
- Has the mileage on S21 KMG 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 S21 KMG find?
- S21 KMG passed its latest MOT on 28 Jul 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.