£1,700 (Est: £1,500 - £2,000)
1999 MERCEDES SLK 230 KOMPRESSOR AUTO
Mathewsons • UK • 28 Oct 2026
Market Position:
Lowest 20% of Past Sales
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£1,700 (Est: £1,500 - £2,000)
1999 MERCEDES SLK 230 KOMPRESSOR AUTO
UK • 28 Oct 2026 • Lot 22
Vehicle Details
AI Listing Summary
This 1999 Mercedes SLK 230 Kompressor is an automatic model with a long MOT until June 2027, recently fitted with new brakes and springs. The vendor notes the bodywork is very good with minor stone chips, and the central locking needs attention, but the roof operates correctly.
Condition
7
The car is described as having 'very good' bodywork with 'a couple of stone chips'. The central locking 'won't open but closes ok'. It has had new brakes and springs all round and the roof works fine. The MOT expiry is June 2027, with the vendor stating it has had no MOT failures during their 7 years of ownership. This aligns with a 'Very Good' condition.
/ 10
85,095 miles (via 2026 MOT)
M666 MFB
1999
Auction
Automatic
LHD
United Kingdom
£1,700 (Est: £1,500 - £2,000)
1999 MERCEDES SLK 230 KOMPRESSOR AUTO
Mathewsons • UK • 28 Oct 2026
Market Position:
Lowest 20% of Past Sales
Track live values and receive listing alerts
Description
Make: MERCEDES Model: SLK 230 KOMPRESSOR AUTO Registration: M666 MFB
Engine Size (cc): 2298 Transmission: 5 Speed Auto Petrol Year of Manufacture: 1999 Date First Registered: 01/03/1999 MOT Expiry Date: 26/06/2027 Current V5: YES Location: PICKERING You can view from: Wednesday 21 October 2026 - Tuesday 27 October 2026
Price Analysis vs Other (R170) SLK 230s
£480
Lowest Price (Since 2020)
£5,161
Median Price (Since 2020)
£22,234
Highest Price (Since 2020)
World Record
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Lowest 20% of Past Sales
Compared to previous sales, the sale price placed this vehicle in the lowest 20% of past sales for the (R170) SLK 230.
Lowest Price
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Average Price
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Rare Sale
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Previous (R170) SLK 230 Sales
MOT Information
Valid
Expires on 26th Jun 2027
Latest MOT mileage:
85,095 miles
MOT History
Passed
On 17th Jun 2026, 85,095 miles
There were 5 defects noted.
Advisory:
- Nearside Front Brake hose has slight corrosion to ferrule (1.1.12 (f) (i))
- Offside Front Brake hose has slight corrosion to ferrule (1.1.12 (f) (i))
- Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- Rear Vehicle structure is corroded but structural rigidity is not significantly reduced subframe (6.1.1 (c) (i))
Passed
On 11th Jun 2025, 84,632 miles
There were 3 defects noted.
Advisory:
- Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- Offside Rear Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))
Passed
On 27th Jun 2024, 83,946 miles
There were 3 defects noted.
Minor:
- Nearside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))
Advisory:
- Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- Play in steering rack inner joint(s) both front
Passed
On 23rd May 2023, 81,449 miles
There were 4 defects noted.
Minor:
- Nearside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))
Advisory:
- Play in steering rack inner joint(s) both front
- Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- Nearside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
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.































