Mercedes GLS AdBlue delete

GLS AdBlue delete from £330. Mobile technician comes to you across Greater Manchester and the North West. No garage visit needed.

£330 all in No hidden charges
60 to 90 minutes On most vehicles
Fully mobile Home, workplace or depot
Insured to £2 million 4,000+ vehicles completed

Which GLS models have AdBlue?

The X167 GLS (2019 onwards) has AdBlue fitted across all diesel variants. This covers the GLS 350d and GLS 400d, both using the OM656 3.0-litre inline-six diesel. The earlier X166 GLS (2012 to 2019, previously sold as the GL) did not have AdBlue in most UK variants, using a different BlueTEC system without selective catalytic reduction. On the X167, the blue DEF filler cap sits inside the fuel flap. Any X167 GLS diesel will have AdBlue fitted from new. Call us to confirm your chassis before booking.

Close-up of a diesel engine bay
Diesel dashboard warning lights lit at night

What the delete involves

We connect to your GLS via the OBD port and update the ECU software to disable the AdBlue system permanently. No parts are removed from the vehicle. Once the job is done, all AdBlue warning lights clear, the countdown timer disappears and the risk of engine lockout is gone. The GLS will no longer prompt you to top up fluid or generate fault codes related to the AdBlue system. Most GLS deletes are completed in 60 to 90 minutes at your location.

Mobile service across the North West

We cover Greater Manchester, Lancashire, Merseyside, Cheshire, West Yorkshire, Derbyshire and Staffordshire. Our base is in Eccles, Manchester, and we work within a 40-mile radius. We come to your home, driveway, workplace or car park. No need to visit a garage. The full job is £330, all in. We run a free diagnostic before any work begins. The service is insured to £2 million.

Diesel pump nozzles on a forecourt

Frequently asked questions

Does my Mercedes GLS have AdBlue?
If your GLS is an X167 diesel (2019 onwards), yes. All diesel X167 variants have AdBlue fitted from new, including the 350d and 400d. If you have an older X166 GLS or GL, most UK models did not run AdBlue. Check the fuel flap area for a blue DEF cap, or call us and we will confirm before you book.
Which GLS years have AdBlue?
The X167 generation runs from 2019 to the present day. All diesel X167 GLS models have AdBlue. The previous X166 generation (2012 to 2019) generally did not use AdBlue in the UK market, though it is worth checking if you are unsure of the exact variant.
Is Mercedes GLS AdBlue delete permanent?
Yes. The ECU software update permanently disables the AdBlue system. Warning lights will not return, the countdown will not restart and you will not need to top up fluid again. There is nothing to reset or repeat.
How much does GLS AdBlue delete cost?
£330 for the complete job, including the free diagnostic. No hidden charges. We confirm the price before we start work. For off-road and export use only.

Book your Mercedes GLS AdBlue delete

Call 0161 694 7331 to book or ask a question. We cover the North West and can usually get to you the same day or next day.