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© 2026 Kian Jazayeri · Estimates only, not professional valuations or financial advice — actual costs will vary.

2020 Mercedes-Benz GLS 400 d 2.9L Diesel 4MATIC for Sale in Auckland | CarSpy

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2020 Mercedes-Benz GLS

400 d 2.9L Diesel 4MATIC

On CarSpy for at least 22 days

See other Mercedes-Benz GLS listings →

2020 Mercedes-Benz GLS

$74,990

↓ $5,000 since first seen

asking price

View on Trust Motors →

Mileage

87,500 km

Transmission

automatic

Fuel type

diesel

Vehicle type

suv

Seats

7

Safety rating

Listing checked 1 hour ago

Fuel + road user charges$3,753

Based on 12,000 km/year
Official fuel economy of 8.8 L/100km at $2.69/L for this exact make/model, from NZTA's fuel economy rating (VEEEL)
Plus Road User Charges at $76 per 1,000km

Servicing$738

Per-year breakdown below (scheduled visits, oil & filter, tyres and brakes — the last three wear by distance driven, not just calendar time).

Per year

Scheduled service$290

~2hr labour ($110/hr) plus minor consumables (air/cabin filter, wipers, fluid top-ups, ~$70) at one visit each year.

Oil & filter$160

~$160 per change, done alongside the annual service.

Tyres$204

A full set (~$850 fitted) lasts ~50,000km — prorated over 12,000km/year driven.

Brakes$84

Pads front + rear (~$280/job) roughly every 40,000km — prorated over 12,000km/year driven.

5 out of 5 stars — Based on 2025 VSRR rating

Based on 2025 VSRR rating

Engine

2.9L (2925cc)

Dealer

Trust Motors

Region

Auckland

Registration & WOF

$314

Vehicle license (~$249/year — diesel/EV pay more here since their ACC levy isn't collected via fuel excise like petrol's is) plus an annual WOF at ~$65.

Insurance$2,271

Insurance cover:

Scaled from the NZ average comprehensive premium ($1,311/year) against this listing's $74,990 price.

Unscheduled repairs$396

What breaks between services — an estimate by vehicle age (6 years old) and a brand-tier multiplier (budget-reliable/mainstream/premium/exotic) for Mercedes-Benz. Averaged across good years and bad — most years cost less than this, and an occasional big-ticket failure costs a lot more. This listing's 87,500km is in line with the ~72,000km expected for its age.

Total annual running cost$7,471

Mercedes-Benz GLS, 2017–2023

Price$74,990

↑5% above average

Average $71,192

This listing

$64,990 cheapest$75,990 priciest

Pricier than average — similar listings are between $64,990 and $75,990

Mileage87,500 km

↓21% below average

Average 110,800 km

This listing

82,700 km lowest188,500 km highest

Lower mileage than most — similar listings are between 82,700 km and 188,500 km

See all similar listings →