AutoRank

MERCEDES-BENZ S-CLASS - Model Report

Reliability, mileage, fuel mix, safety, and defect profile from AutoRank.

Reporting Period: Last 5 years Report Date: Generated today Filters: All years, fuels and engines autorank.co.uk/models/mercedes-benz/s-class

Time Period & Model

Time period snapshot: Last 5 years

Manufacturer: Mercedes-Benz

Model: S-Class

Model reliability rank

MOT-based rank from 157,640 selected-period tests.

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Overall MOT pass rate

84.5%

Share of this model's 157,640 selected-period MOT tests that pass.

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Efficiency, emissions & tax

Average MPG

57.2 mpg

CO2 emission

159 g/km

Euro emissions

Euro 6

Tax cost

£225/yr

Vehicle list price over £40,000?NoYes

Average vehicle miles

105,542

Solid average mileage for this model.

Life expectancy miles

113,449

Moderate mature-fleet mileage expectation.

Average vehicle age

14.1

Comfortable mid-life age pattern.

Vehicles represented

21,085

21,085 valid MOT, 0 under 3 years.

Tests analysed

157,640

157,640 MOT tests in the selected period.

Rarity ranking

Based on Make & Model

Scarce

21,085On the road

Insight summary

Mercedes-Benz S-Class is a scarce model in this snapshot, with 21,085 represented vehicles and 0.05% of the active UK pool tracked by AutoRank. For the last 5 years, it has a pass rate of 84.5% from 157,640 MOT tests, with a reliability score of 65. The current pool shows an average of 105,542 miles and an average age of 14.1 years, while mature-fleet mileage is estimated at 113,449 miles. Diesel leads the fuel split, followed by petrol, and the most frequent defect themes are windscreen damage, tyre condition and parking brake. The practical read is that the Mercedes-Benz S-Class looks a little better than average, but still rewards careful checks on mileage and maintenance.

Fuel type breakdown (by model)

Fuel	Vehicles
DIESEL	14,386
PETROL	5,770
HYBRID ELECTRIC (CLEAN)	769
ELECTRIC DIESEL	140
ELECTRIC	14
LPG	4
GAS BI-FUEL	1
OTHER	1

Euro NCAP Safety

NCAP rating

5 / 5

Adult

94%

Children

89%

Pedestrian

93%

Safety systems

85%

Top 25 most common defects (by model)

Defect	Count
Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))	2,226
Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))	1,502
Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))	1,361
Parking brake efficiency below requirements (1.4.2 (a) (i))	1,285
Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))	1,215
Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))	988
Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))	841
Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))	825
Anti-lock braking system warning lamp indicates an ABS fault (1.6 (b))	786
Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))	755
Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))	754
Exhaust emissions exceed manufacturer's specified limit (8.2.2.2 (a))	658
Windscreen washer provides insufficient washer liquid (3.5 (a))	643
Offside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))	491
Nearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))	474
Offside Front Tyre has ply or cords exposed (5.2.3 (d) (ii))	468
Windscreen washer not working (3.5 (a))	439
Nearside Front Position lamp not working (4.2.1 (a) (ii))	416
Front Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))	415
Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))	413
Offside Front Brake pipe excessively corroded (1.1.11 (c))	413
Nearside Front Tyre has ply or cords exposed (5.2.3 (d) (ii))	412
Offside Front Position lamp not working (4.2.1 (a) (ii))	410
Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))	385
Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))	374

All 25 defects ranked by recorded countShowing 18,949 defects across this top 25 set

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

2,226

Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

1,502

Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

1,361

Parking brake efficiency below requirements (1.4.2 (a) (i))

1,285

Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))

1,215

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

988

Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))

841

Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))

825

Anti-lock braking system warning lamp indicates an ABS fault (1.6 (b))

786

Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))

755

Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))

754

Exhaust emissions exceed manufacturer's specified limit (8.2.2.2 (a))

658

Windscreen washer provides insufficient washer liquid (3.5 (a))

643

Offside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

491

Nearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

474

Offside Front Tyre has ply or cords exposed (5.2.3 (d) (ii))

468

Windscreen washer not working (3.5 (a))

439

Nearside Front Position lamp not working (4.2.1 (a) (ii))

416

Front Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

415

Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

413

Offside Front Brake pipe excessively corroded (1.1.11 (c))

413

Nearside Front Tyre has ply or cords exposed (5.2.3 (d) (ii))

412

Offside Front Position lamp not working (4.2.1 (a) (ii))

410

Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))

385

Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))

374

Mercedes-Benz S-Class reliability and MOT data