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R171 RFB

2005 Mercedes-benz Slk

Silver Petrol 1796cc
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MOT Status

Valid
Expires6 Feb 2027
Tests24 (18 pass, 6 fail)
Pass rate75%

Mileage

134,101 mi
Last recorded134,101 miles
Recorded on20 Jan 2026
Typical for 2005 Mercedes-benz Slk56,199 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
Stolen
Finance
Write-off
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Vehicle Details

RegistrationR171 RFB
MakeMercedes-benz
ModelSlk
Year2005
ColourSilver
Fuel typePetrol
Engine1,796cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

18 pass 6 fail
Pass 20 Jan 2026 134,101 miles
Fail 15 Jan 2026 134,094 miles

Offside Rear Coil spring fractured or broken (5.3.1 (b) (i))

Pass 23 Jan 2025 128,623 miles
Fail 20 Jan 2025 128,615 miles

Nearside Rear Brake pipe excessively corroded from brake caliper hose (1.1.11 (c))

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

Offside Rear Brake pipe excessively corroded from brake caliper hose (1.1.11 (c))

Pass 26 Jan 2024 123,249 miles

Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Nearside Rear Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Oil leak, but not excessive (8.4.1 (a) (i))

Fail 24 Jan 2024 123,244 miles

Nearside Headlamp aim too high (4.1.2 (a))

Offside Front Coil spring fractured or broken (5.3.1 (b) (i))

Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Nearside Rear Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Oil leak, but not excessive (8.4.1 (a) (i))

Pass 20 Jan 2023 118,253 miles

Rear Oil leak, but not excessive diff (8.4.1 (a) (i))

Pass 7 Feb 2022 114,279 miles

Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Fail 15 Dec 2021 114,217 miles

Rear Sub-frame corroded and seriously weakened marked with yellow chalk holes (5.3.3 (b) (i))

Front Items removed from driver's view prior to test ()

Front Tyre worn close to legal limit/worn on edge both wearing bald on inner edges (5.2.3 (e))

Nearside Front Obligatory mirror slightly damaged glass cracked (3.3 (b) (i))

Rear Brake hose slightly deteriorated both (1.1.12 (b) (ii))

Pass 21 Dec 2020 110,959 miles
Pass 18 Jun 2019 104,843 miles

Nearside Front mirror glass cracked

Rear Coil spring corroded both (5.3.1 (b) (i))

Fail 13 Jun 2019 104,836 miles

Front Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii)) DANGEROUS

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Nearside Front mirror glass cracked

Rear Coil spring corroded both (5.3.1 (b) (i))

Pass 12 Jun 2018 97,156 miles

Tyre worn close to legal limit/worn on edge All 4 (5.2.3 (e))

Pass 14 Jun 2017 88,669 miles
Pass 20 Jun 2016 54,734 miles
Pass 15 Jun 2015 66,915 miles
Pass 1 Jul 2014 56,243 miles
Fail 27 Jun 2014 56,181 miles

Nearside Rear Side repeater incorrect colour (1.4.A.2f)

Offside Front Side repeater not working (1.4.A.2c)

Offside Rear Side repeater incorrect colour (1.4.A.2f)

Pass 14 Jun 2013 42,665 miles

Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Under-trays fitted obscuring some underside components

Pass 7 Jun 2012 29,707 miles

Engine covers fitted obscuring some components in the engine bay

Under-trays fitted obscuring some underside components

Pass 21 Jun 2011 22,193 miles
Pass 21 Jun 2010 19,212 miles
Pass 22 Jun 2009 16,465 miles
Pass 20 Jun 2008 13,295 miles

How Reliable is the Mercedes-benz Slk?

Based on 1,335,553 MOT tests across 81,472 vehicles.

80.0%
Pass Rate
3,226
Miles/Year
29
Year Lifespan
81,472
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 28,060
coil spring broken 11,334
Stop lamp not working 8,797
Brake pipe excessively corroded 8,610
Tyre has ply or cords exposed 8,088
Full Mercedes-benz Slk reliability report

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R171 RFB is a 2005 Mercedes-benz Slk in Silver with a 1,796cc petrol engine. This vehicle has been through 24 MOT tests with a personal pass rate of 75%.

Across all 2005 Mercedes-benz Slk models, the average MOT pass rate is 79.6% with a typical mileage of 56,199 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Mercedes-benz Slk fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 28,060 recorded failures. If you're considering buying R171 RFB, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Slk typically stays on UK roads for around 29 years. At 21 years old, this Mercedes-benz Slk is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of R171 RFB?

You can check the full history of R171 RFB by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was R171 RFB registered?

R171 RFB is a 2005 Mercedes-benz Slk, first registered on 30 June 2005.

Is R171 RFB safe to buy?

The MOT history for R171 RFB shows 24 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does R171 RFB have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on R171 RFB. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.