Where in Britain does the Mercedes-Benz SLC fail its MOT most?
Across Britain, 11.5% of 42,512 initial MOT tests (first attempts) of the Mercedes-Benz SLC failed in 2019–2024. It fails most in Watford (WD): 21.0% against 11.5% elsewhere (+9.5 points). It does best in Nottingham (NG), −7.5 points. Area rates are not age-adjusted.
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · Mercedes-Benz SLC MOT statistics · check a Mercedes-Benz SLC by registration
Mercedes-Benz SLC in every postcode area with 100+ tests
From the largest excess over the rest of Britain to the largest shortfall.
| Area | Failed here, % | Rest of Britain, % | Difference, points | 95% interval | Tests |
|---|---|---|---|---|---|
| Watford (WD) | 21.0 | 11.5 | +9.5 | +3.8 to +15.3 | 195 (rough estimate) |
| Bradford (BD) | 17.1 | 11.5 | +5.6 | +1.3 to +10.0 | 286 (rough estimate) |
| Kilmarnock (KA) | 16.4 | 11.5 | +4.8 | −0.2 to +9.9 | 208 (rough estimate) |
| Darlington (DL) | 16.3 | 11.5 | +4.8 | −0.5 to +10.1 | 184 (rough estimate) |
| Uxbridge (UB) | 16.0 | 11.5 | +4.5 | −2.1 to +11.0 | 119 (rough estimate) |
| Canterbury (CT) | 15.8 | 11.5 | +4.4 | +1.3 to +7.5 | 530 |
| Cleveland (TS) | 15.8 | 11.5 | +4.4 | +1.1 to +7.6 | 480 (rough estimate) |
| Huddersfield (HD) | 15.8 | 11.5 | +4.3 | −1.4 to +10.0 | 158 (rough estimate) |
| York (YO) | 15.8 | 11.5 | +4.3 | +1.0 to +7.6 | 463 (rough estimate) |
| St Albans (AL) | 15.7 | 11.5 | +4.1 | −2.5 to +10.8 | 115 (rough estimate) |
| Falkirk (FK) | 15.5 | 11.5 | +4.0 | −2.3 to +10.2 | 129 (rough estimate) |
| Exeter (EX) | 15.2 | 11.5 | +3.7 | +0.6 to +6.8 | 520 |
| Bath (BA) | 14.8 | 11.5 | +3.3 | −0.2 to +6.8 | 398 (rough estimate) |
| London SW (SW) | 14.8 | 11.5 | +3.3 | −1.3 to +7.8 | 237 (rough estimate) |
| Ipswich (IP) | 14.7 | 11.5 | +3.2 | +0.4 to +6.0 | 619 |
| Cardiff (CF) | 14.7 | 11.5 | +3.2 | +0.5 to +5.9 | 662 |
| Worcester (WR) | 14.5 | 11.5 | +3.0 | −0.5 to +6.6 | 392 (rough estimate) |
| Guildford (GU) | 14.5 | 11.5 | +3.0 | +0.5 to +5.5 | 766 |
| Aberdeen (AB) | 14.4 | 11.5 | +2.9 | −1.6 to +7.4 | 236 (rough estimate) |
| Edinburgh (EH) | 14.3 | 11.5 | +2.8 | −0.1 to +5.8 | 545 |
| Brighton (BN) | 14.1 | 11.5 | +2.6 | +0.1 to +5.2 | 737 |
| Cambridge (CB) | 14.1 | 11.5 | +2.6 | −1.2 to +6.4 | 326 (rough estimate) |
| Walsall (WS) | 14.0 | 11.5 | +2.5 | −2.0 to +6.9 | 236 (rough estimate) |
| Tonbridge (TN) | 13.9 | 11.5 | +2.4 | −0.2 to +5.1 | 675 |
| Paisley (PA) | 13.8 | 11.5 | +2.3 | −3.1 to +7.7 | 159 (rough estimate) |
| Northampton (NN) | 13.7 | 11.5 | +2.2 | −0.5 to +5.0 | 619 |
| Coventry (CV) | 13.3 | 11.5 | +1.8 | −0.8 to +4.5 | 630 |
| Preston (PR) | 13.3 | 11.5 | +1.8 | −1.6 to +5.3 | 375 (rough estimate) |
| Salisbury (SP) | 13.1 | 11.5 | +1.5 | −2.2 to +5.3 | 314 (rough estimate) |
| Stevenage (SG) | 12.9 | 11.5 | +1.4 | −1.7 to +4.6 | 433 (rough estimate) |
| Hull (HU) | 12.8 | 11.5 | +1.2 | −2.3 to +4.8 | 337 (rough estimate) |
| Sunderland (SR) | 12.7 | 11.5 | +1.2 | −3.8 to +6.2 | 173 (rough estimate) |
| Blackburn (BB) | 12.7 | 11.5 | +1.2 | −3.4 to +5.7 | 205 (rough estimate) |
| Lincoln (LN) | 12.7 | 11.5 | +1.1 | −2.5 to +4.8 | 316 (rough estimate) |
| Bristol (BS) | 12.5 | 11.5 | +1.0 | −1.3 to +3.3 | 807 |
| Llandudno (LL) | 12.5 | 11.5 | +1.0 | −2.6 to +4.6 | 328 (rough estimate) |
| Croydon (CR) | 12.5 | 11.5 | +1.0 | −3.6 to +5.6 | 200 (rough estimate) |
| Hemel Hempstead (HP) | 12.4 | 11.5 | +0.9 | −1.4 to +3.2 | 805 |
| Redhill (RH) | 12.4 | 11.5 | +0.9 | −1.9 to +3.7 | 533 |
| Wolverhampton (WV) | 12.3 | 11.5 | +0.8 | −3.3 to +5.0 | 243 (rough estimate) |
| London N (N) | 12.3 | 11.5 | +0.8 | −5.3 to +6.8 | 114 (rough estimate) |
| Oldham (OL) | 12.3 | 11.5 | +0.7 | −5.5 to +7.0 | 106 (rough estimate) |
| Glasgow (G) | 12.2 | 11.5 | +0.7 | −1.9 to +3.3 | 631 |
| Birmingham (B) | 12.0 | 11.5 | +0.5 | −1.7 to +2.7 | 867 |
| Reading (RG) | 12.0 | 11.5 | +0.4 | −1.5 to +2.4 | 1,062 |
| Gloucester (GL) | 11.9 | 11.5 | +0.4 | −2.3 to +3.2 | 536 |
| Norwich (NR) | 11.8 | 11.5 | +0.3 | −2.3 to +2.9 | 618 |
| Newport (NP) | 11.8 | 11.5 | +0.3 | −4.1 to +4.6 | 212 (rough estimate) |
| Bournemouth (BH) | 11.8 | 11.5 | +0.2 | −2.3 to +2.8 | 621 |
| Stoke-on-Trent (ST) | 11.7 | 11.5 | +0.2 | −2.6 to +2.9 | 522 |
| Swindon (SN) | 11.6 | 11.5 | +0.1 | −2.9 to +3.0 | 457 (rough estimate) |
| Chelmsford (CM) | 11.6 | 11.5 | +0.1 | −2.2 to +2.3 | 786 |
| Bolton (BL) | 11.5 | 11.5 | −0.0 | −4.3 to +4.3 | 217 (rough estimate) |
| Portsmouth (PO) | 11.5 | 11.5 | −0.0 | −2.4 to +2.3 | 697 |
| Leeds (LS) | 11.4 | 11.5 | −0.1 | −3.3 to +3.1 | 376 (rough estimate) |
| Liverpool (L) | 11.3 | 11.5 | −0.2 | −4.6 to +4.2 | 203 (rough estimate) |
| Torquay (TQ) | 11.2 | 11.5 | −0.3 | −5.7 to +5.0 | 134 (rough estimate) |
| Swansea (SA) | 11.2 | 11.5 | −0.3 | −3.3 to +2.7 | 429 (rough estimate) |
| Chester (CH) | 11.1 | 11.5 | −0.4 | −3.1 to +2.3 | 531 |
| Doncaster (DN) | 11.1 | 11.5 | −0.5 | −3.2 to +2.2 | 534 |
| Warrington (WA) | 10.9 | 11.5 | −0.6 | −3.4 to +2.2 | 477 (rough estimate) |
| Stockport (SK) | 10.8 | 11.5 | −0.7 | −3.2 to +1.9 | 581 |
| Durham (DH) | 10.8 | 11.5 | −0.7 | −6.5 to +5.1 | 111 (rough estimate) |
| Taunton (TA) | 10.8 | 11.5 | −0.7 | −3.9 to +2.5 | 361 (rough estimate) |
| Romford (RM) | 10.8 | 11.5 | −0.7 | −4.8 to +3.3 | 232 (rough estimate) |
| Shrewsbury (SY) | 10.7 | 11.5 | −0.8 | −4.2 to +2.6 | 318 (rough estimate) |
| Crewe (CW) | 10.7 | 11.5 | −0.9 | −4.5 to +2.8 | 272 (rough estimate) |
| Harrogate (HG) | 10.6 | 11.5 | −0.9 | −4.3 to +2.4 | 321 (rough estimate) |
| Southampton (SO) | 10.4 | 11.5 | −1.1 | −3.5 to +1.3 | 613 |
| Dartford (DA) | 10.2 | 11.5 | −1.3 | −5.4 to +2.7 | 216 (rough estimate) |
| Peterborough (PE) | 10.2 | 11.5 | −1.4 | −3.5 to +0.7 | 797 |
| Motherwell (ML) | 10.1 | 11.5 | −1.4 | −6.3 to +3.5 | 148 (rough estimate) |
| Kirkcaldy (KY) | 10.1 | 11.5 | −1.4 | −6.7 to +3.8 | 129 (rough estimate) |
| Dorchester (DT) | 10.1 | 11.5 | −1.5 | −5.9 to +2.9 | 179 (rough estimate) |
| Oxford (OX) | 10.1 | 11.5 | −1.5 | −4.5 to +1.5 | 398 (rough estimate) |
| Medway (ME) | 10.0 | 11.5 | −1.5 | −4.4 to +1.4 | 419 (rough estimate) |
| Dudley (DY) | 9.9 | 11.5 | −1.6 | −4.9 to +1.7 | 312 (rough estimate) |
| Luton (LU) | 9.9 | 11.5 | −1.6 | −6.5 to +3.3 | 141 (rough estimate) |
| Leicester (LE) | 9.9 | 11.5 | −1.6 | −3.8 to +0.6 | 734 |
| Sheffield (S) | 9.9 | 11.6 | −1.7 | −3.7 to +0.4 | 841 |
| Ilford (IG) | 9.7 | 11.5 | −1.9 | −6.7 to +2.9 | 145 (rough estimate) |
| Carlisle (CA) | 9.4 | 11.5 | −2.1 | −6.0 to +1.7 | 223 (rough estimate) |
| Manchester (M) | 9.4 | 11.5 | −2.1 | −5.7 to +1.4 | 266 (rough estimate) |
| London E (E) | 9.3 | 11.5 | −2.2 | −6.7 to +2.3 | 161 (rough estimate) |
| Southend-on-Sea (SS) | 9.3 | 11.5 | −2.3 | −5.1 to +0.5 | 420 (rough estimate) |
| Colchester (CO) | 9.3 | 11.5 | −2.3 | −5.3 to +0.7 | 367 (rough estimate) |
| Truro (TR) | 9.3 | 11.5 | −2.3 | −5.6 to +1.0 | 292 (rough estimate) |
| Slough (SL) | 9.2 | 11.5 | −2.3 | −5.6 to +0.9 | 304 (rough estimate) |
| Derby (DE) | 9.2 | 11.6 | −2.3 | −4.5 to −0.2 | 694 |
| Newcastle (NE) | 9.1 | 11.6 | −2.5 | −4.7 to −0.2 | 626 |
| Plymouth (PL) | 8.9 | 11.5 | −2.6 | −6.1 to +0.9 | 257 (rough estimate) |
| Wigan (WN) | 8.9 | 11.5 | −2.7 | −7.7 to +2.4 | 124 (rough estimate) |
| Wakefield (WF) | 8.7 | 11.5 | −2.8 | −6.1 to +0.4 | 299 (rough estimate) |
| Milton Keynes (MK) | 8.7 | 11.6 | −2.9 | −5.2 to −0.6 | 578 |
| Kingston upon Thames (KT) | 8.4 | 11.6 | −3.1 | −5.3 to −0.9 | 639 |
| Blackpool (FY) | 8.3 | 11.5 | −3.2 | −6.4 to −0.0 | 289 (rough estimate) |
| Enfield (EN) | 8.2 | 11.5 | −3.4 | −7.6 to +0.9 | 159 (rough estimate) |
| Twickenham (TW) | 7.9 | 11.5 | −3.7 | −7.3 to −0.1 | 216 (rough estimate) |
| Lancaster (LA) | 7.8 | 11.5 | −3.8 | −7.7 to +0.2 | 180 (rough estimate) |
| Bromley (BR) | 7.8 | 11.5 | −3.8 | −8.4 to +0.8 | 129 (rough estimate) |
| Dundee (DD) | 7.8 | 11.5 | −3.8 | −8.4 to +0.8 | 129 (rough estimate) |
| London SE (SE) | 7.5 | 11.5 | −4.0 | −7.4 to −0.7 | 239 (rough estimate) |
| London NW (NW) | 6.7 | 11.6 | −4.9 | −7.6 to −2.2 | 330 (rough estimate) |
| Harrow (HA) | 6.3 | 11.5 | −5.2 | −8.8 to −1.6 | 174 (rough estimate) |
| Nottingham (NG) | 4.3 | 11.8 | −7.5 | −8.5 to −6.5 | 1,702 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 42,512 (initial tests) · Method: postcode area of the testing station against the same model's tests elsewhere in Britain, difference of two proportions with a 95% interval; named at 3+ points with the interval clear of zero; not age-adjusted · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
Other pages for this model
Mercedes-Benz SLC 2016 · Mercedes-Benz SLC 2017 · Mercedes-Benz SLC 2018 · Mercedes-Benz SLC 2019 · Mercedes-Benz SLC 2020 · Mercedes-Benz SLC brakes failures · Mercedes-Benz SLC vehicle identification failures · Mercedes-Benz SLC lamps, reflectors and electrics failures · Mercedes-Benz SLC noise, emissions and leaks failures · Mercedes-Benz SLC road wheels failures · Mercedes-Benz SLC steering failures · Mercedes-Benz SLC suspension failures · Mercedes-Benz SLC tyres failures · Mercedes-Benz SLC visibility failures