Where in Britain does the Mercedes-Benz 300 fail its MOT most?
Across Britain, 25.1% of 18,189 initial MOT tests (first attempts) of the Mercedes-Benz 300 failed in 2019–2024. It fails most in Exeter (EX): 38.8% against 24.9% elsewhere (+13.8 points). It does best in Enfield (EN), −12.6 points. Area rates are not age-adjusted.
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · Mercedes-Benz 300 MOT statistics · check a Mercedes-Benz 300 by registration
Mercedes-Benz 300 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 |
|---|---|---|---|---|---|
| Exeter (EX) | 38.8 | 24.9 | +13.8 | +7.2 to +20.4 | 209 (rough estimate) |
| Brighton (BN) | 37.3 | 24.9 | +12.4 | +6.8 to +18.0 | 292 (rough estimate) |
| Hemel Hempstead (HP) | 36.5 | 24.9 | +11.5 | +6.2 to +16.8 | 321 (rough estimate) |
| Bath (BA) | 36.4 | 25.0 | +11.3 | +2.3 to +20.3 | 110 (rough estimate) |
| Worcester (WR) | 36.1 | 25.0 | +11.0 | +2.5 to +19.6 | 122 (rough estimate) |
| Portsmouth (PO) | 34.3 | 25.0 | +9.3 | +3.7 to +15.0 | 271 (rough estimate) |
| Plymouth (PL) | 34.4 | 25.0 | +9.3 | +1.2 to +17.5 | 131 (rough estimate) |
| Bristol (BS) | 34.1 | 25.0 | +9.1 | +2.7 to +15.5 | 211 (rough estimate) |
| London W (W) | 33.3 | 25.0 | +8.3 | +1.6 to +15.0 | 192 (rough estimate) |
| Swindon (SN) | 32.5 | 25.0 | +7.4 | −0.1 to +14.9 | 151 (rough estimate) |
| Oxford (OX) | 31.7 | 25.0 | +6.6 | +0.9 to +12.3 | 259 (rough estimate) |
| London SE (SE) | 31.4 | 25.0 | +6.4 | +0.8 to +11.9 | 274 (rough estimate) |
| Colchester (CO) | 31.3 | 25.0 | +6.2 | −0.7 to +13.1 | 176 (rough estimate) |
| Stoke-on-Trent (ST) | 30.8 | 25.1 | +5.8 | −2.5 to +14.0 | 120 (rough estimate) |
| Milton Keynes (MK) | 30.6 | 25.1 | +5.5 | −1.4 to +12.5 | 170 (rough estimate) |
| Southampton (SO) | 30.0 | 25.0 | +4.9 | −1.1 to +10.9 | 227 (rough estimate) |
| Aberdeen (AB) | 29.8 | 25.1 | +4.7 | −3.7 to +13.2 | 114 (rough estimate) |
| Reading (RG) | 28.9 | 25.0 | +3.8 | −1.1 to +8.8 | 322 (rough estimate) |
| Swansea (SA) | 28.7 | 25.1 | +3.6 | −4.0 to +11.2 | 136 (rough estimate) |
| Liverpool (L) | 28.3 | 25.1 | +3.2 | −5.1 to +11.6 | 113 (rough estimate) |
| Ipswich (IP) | 28.2 | 25.1 | +3.1 | −1.9 to +8.1 | 316 (rough estimate) |
| Guildford (GU) | 28.1 | 25.0 | +3.0 | −1.7 to +7.7 | 360 (rough estimate) |
| Gloucester (GL) | 27.8 | 25.1 | +2.8 | −2.8 to +8.3 | 255 (rough estimate) |
| Leeds (LS) | 27.8 | 25.1 | +2.7 | −5.2 to +10.5 | 126 (rough estimate) |
| Llandudno (LL) | 27.5 | 25.1 | +2.4 | −4.8 to +9.6 | 149 (rough estimate) |
| Bournemouth (BH) | 27.2 | 25.1 | +2.1 | −3.3 to +7.6 | 261 (rough estimate) |
| Tonbridge (TN) | 27.1 | 25.1 | +2.0 | −2.2 to +6.3 | 428 (rough estimate) |
| Wolverhampton (WV) | 26.9 | 25.1 | +1.8 | −6.6 to +10.1 | 108 (rough estimate) |
| Harrow (HA) | 26.3 | 25.1 | +1.2 | −5.7 to +8.0 | 160 (rough estimate) |
| Derby (DE) | 25.9 | 25.1 | +0.9 | −6.7 to +8.4 | 131 (rough estimate) |
| London SW (SW) | 25.7 | 25.1 | +0.6 | −4.8 to +6.0 | 253 (rough estimate) |
| Peterborough (PE) | 25.6 | 25.1 | +0.4 | −4.8 to +5.6 | 274 (rough estimate) |
| Bradford (BD) | 24.8 | 25.1 | −0.3 | −8.2 to +7.5 | 117 (rough estimate) |
| Sheffield (S) | 24.8 | 25.1 | −0.4 | −5.3 to +4.5 | 303 (rough estimate) |
| Canterbury (CT) | 24.6 | 25.1 | −0.5 | −7.0 to +5.9 | 175 (rough estimate) |
| Edinburgh (EH) | 24.6 | 25.1 | −0.6 | −8.5 to +7.4 | 114 (rough estimate) |
| St Albans (AL) | 24.5 | 25.1 | −0.6 | −8.8 to +7.6 | 106 (rough estimate) |
| Redhill (RH) | 24.1 | 25.1 | −1.0 | −6.0 to +4.0 | 282 (rough estimate) |
| Kingston upon Thames (KT) | 23.8 | 25.1 | −1.3 | −5.6 to +3.0 | 386 (rough estimate) |
| London N (N) | 23.8 | 25.1 | −1.4 | −6.3 to +3.5 | 299 (rough estimate) |
| Stockport (SK) | 23.7 | 25.1 | −1.4 | −7.5 to +4.6 | 190 (rough estimate) |
| Doncaster (DN) | 23.7 | 25.1 | −1.5 | −7.9 to +5.0 | 169 (rough estimate) |
| Northampton (NN) | 23.6 | 25.1 | −1.6 | −7.2 to +4.0 | 225 (rough estimate) |
| Newport (NP) | 23.5 | 25.1 | −1.6 | −9.4 to +6.1 | 115 (rough estimate) |
| Ilford (IG) | 22.9 | 25.1 | −2.3 | −8.9 to +4.4 | 153 (rough estimate) |
| York (YO) | 22.8 | 25.1 | −2.3 | −7.8 to +3.2 | 228 (rough estimate) |
| Preston (PR) | 22.7 | 25.1 | −2.4 | −9.4 to +4.5 | 141 (rough estimate) |
| Twickenham (TW) | 22.6 | 25.2 | −2.6 | −7.2 to +2.0 | 319 (rough estimate) |
| Chester (CH) | 22.3 | 25.1 | −2.8 | −10.9 to +5.3 | 103 (rough estimate) |
| Newcastle (NE) | 22.2 | 25.1 | −3.0 | −9.1 to +3.2 | 176 (rough estimate) |
| Manchester (M) | 22.1 | 25.1 | −3.0 | −9.3 to +3.2 | 172 (rough estimate) |
| Glasgow (G) | 22.1 | 25.1 | −3.1 | −9.6 to +3.5 | 154 (rough estimate) |
| Nottingham (NG) | 21.9 | 25.2 | −3.2 | −8.4 to +1.9 | 251 (rough estimate) |
| Norwich (NR) | 21.3 | 25.2 | −3.9 | −9.0 to +1.2 | 254 (rough estimate) |
| Dartford (DA) | 20.6 | 25.2 | −4.5 | −10.4 to +1.4 | 184 (rough estimate) |
| London NW (NW) | 20.7 | 25.2 | −4.5 | −9.2 to +0.2 | 295 (rough estimate) |
| Leicester (LE) | 20.5 | 25.2 | −4.7 | −9.7 to +0.3 | 254 (rough estimate) |
| Slough (SL) | 20.4 | 25.2 | −4.8 | −9.7 to +0.1 | 260 (rough estimate) |
| Stevenage (SG) | 20.3 | 25.2 | −4.8 | −10.7 to +1.1 | 182 (rough estimate) |
| Cardiff (CF) | 20.1 | 25.2 | −5.0 | −11.2 to +1.1 | 164 (rough estimate) |
| Romford (RM) | 20.0 | 25.2 | −5.2 | −10.6 to +0.3 | 210 (rough estimate) |
| Cambridge (CB) | 19.8 | 25.2 | −5.4 | −11.4 to +0.6 | 172 (rough estimate) |
| London E (E) | 19.4 | 25.2 | −5.8 | −11.4 to −0.2 | 196 (rough estimate) |
| Warrington (WA) | 19.2 | 25.1 | −5.9 | −13.5 to +1.7 | 104 (rough estimate) |
| Croydon (CR) | 19.1 | 25.2 | −6.1 | −11.6 to −0.6 | 199 (rough estimate) |
| Chelmsford (CM) | 19.0 | 25.2 | −6.2 | −10.4 to −2.0 | 347 (rough estimate) |
| Darlington (DL) | 18.1 | 25.2 | −7.1 | −14.1 to −0.0 | 116 (rough estimate) |
| Wakefield (WF) | 18.0 | 25.2 | −7.1 | −14.0 to −0.3 | 122 (rough estimate) |
| Shrewsbury (SY) | 18.0 | 25.1 | −7.1 | −14.7 to +0.4 | 100 (rough estimate) |
| Birmingham (B) | 17.9 | 25.3 | −7.4 | −11.0 to −3.9 | 464 (rough estimate) |
| Uxbridge (UB) | 17.7 | 25.2 | −7.5 | −12.5 to −2.6 | 232 (rough estimate) |
| Southend-on-Sea (SS) | 17.6 | 25.2 | −7.5 | −13.0 to −2.0 | 187 (rough estimate) |
| Medway (ME) | 15.3 | 25.2 | −10.0 | −15.3 to −4.6 | 177 (rough estimate) |
| Coventry (CV) | 14.0 | 25.4 | −11.4 | −14.7 to −8.1 | 444 (rough estimate) |
| Enfield (EN) | 12.7 | 25.3 | −12.6 | −16.9 to −8.3 | 236 (rough estimate) |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 18,189 (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 300 in Norway · Mercedes-Benz 300 in the Netherlands · Mercedes-Benz 300 body, chassis and structure failures · Mercedes-Benz 300 brakes failures · Mercedes-Benz 300 vehicle identification failures · Mercedes-Benz 300 lamps, reflectors and electrics failures · Mercedes-Benz 300 noise, emissions and leaks failures · Mercedes-Benz 300 road wheels failures · Mercedes-Benz 300 seat belts and airbags failures · Mercedes-Benz 300 steering failures · Mercedes-Benz 300 suspension failures · Mercedes-Benz 300 tyres failures · Mercedes-Benz 300 visibility failures