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£5,250 (Est: £6,500 - £7,500)

1999 MERCEDES SL320 AUTO

Mathewsons • UK • 30 Oct 2026

Market Position:

Lowest 30% of Past Sales

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£5,250 (Est: £6,500 - £7,500)

1999 MERCEDES SL320 AUTO

UK • 30 Oct 2026 • Lot 688

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Vehicle Details

AI Listing Summary

This 1999 Mercedes SL320 Automatic, a two-owner vehicle with a recent power mechanism service and a full MOT, presents well with its original black leather interior and a like-new soft top. While it offers a comprehensive history with previous V5s and invoices, the central locking system needs repair, which may influence its sale value compared to its estimated range.

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Condition 

7

The vehicle is described as 'very original' with two owners since new and the soft top is 'as new'. The power mechanism was recently serviced, and it has a full year's MOT. However, the central locking is not currently working, indicating a minor issue that requires attention.

/ 10

99,058 miles (via 2026 MOT)

V920 KMY

1999

Auction

Automatic

LHD

United Kingdom

£5,250 (Est: £6,500 - £7,500)

1999 MERCEDES SL320 AUTO

Mathewsons • UK • 30 Oct 2026

Market Position:

Lowest 30% of Past Sales

Track live values and receive listing alerts

Description

Make: MERCEDES Model: SL320 AUTO Registration: V920 KMY

Engine Size (cc): 3199 Transmission: 5 Speed Auto Petrol Year of Manufacture: 1999 Date First Registered: 08/10/1999 MOT Expiry Date: 31/08/2027 Current V5: YES Location: PICKERING You can view from: Wednesday 21 October 2026 - Tuesday 27 October 2026

Price Analysis vs Other (R129) SL 320s

£1,550

Lowest Price (Since 2020)

£8,000

Median Price (Since 2020)

£37,520

Highest Price (Since 2020)

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World Record

If this vehicle sells at the mid-point of its estimate it will set a new world record for the [enter model]

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Lowest 30% of Past Sales

Compared to previous sales, the sale price placed this vehicle in the lowest 30% of past sales for the (R129) SL 320.

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Lowest Price

If this vehicle sells at the mid-point of its estimate it will be the lowest price we've seen for the [enter model]

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Average Price

The mid-point of the vehicle's estimate places it near the average price we see for the [enter model]

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Rare Sale

This vehicle comes to market rarely. In auction records we've only seen [enter number] sold before

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Icon

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Previous (R129) SL 320 Sales

MOT Information

Valid

Expires on 31st Aug 2027

Latest MOT mileage:

99,058 miles

MOT History

Passed

On 1st Sept 2026, 99,058 miles

There were 3 defects noted.

Minor:
- Nearside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))


Advisory:
- Oil leak, but not excessive (8.4.1 (a) (i))
- general underbody corrosion

Passed

On 22nd Jul 2025, 97,887 miles

There were 8 defects noted.

Minor:
- Nearside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))
- Nearside Front Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))


Advisory:
- Front Oil leak, but not excessive (8.4.1 (a) (i))
- Front Coil spring corroded both side (5.3.1 (b) (i))
- Rear Coil spring corroded both side (5.3.1 (b) (i))
- Offside Rear Inner Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))
- Front Brake pipe corroded, covered in grease or other material both side (1.1.11 (c))
- Front Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

Failed

On 16th Jul 2025, 97,887 miles

There were 10 defects noted.

Major:
- Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))
- Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))


Minor:
- Nearside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))
- Nearside Front Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))


Advisory:
- Front Oil leak, but not excessive (8.4.1 (a) (i))
- Front Coil spring corroded both side (5.3.1 (b) (i))
- Rear Coil spring corroded both side (5.3.1 (b) (i))
- Offside Rear Inner Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))
- Front Brake pipe corroded, covered in grease or other material both side (1.1.11 (c))
- Front Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

Passed

On 11th Jul 2024, 92,676 miles


MOT Mileage Trend

Gallery

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Auction House Headquarters

Mathewsons

Pickering Road, Thornton-le-Dale, Pickering, Yorkshire, YO18 7LH

Operating from Pickering, North Yorkshire, Mathewsons is a physical auction house dealing in classic, vintage, and modern classic vehicles. They hold regular live auctions and provide vehicle consignment services.

Insurance

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