2019 GLS 450 Questions
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2019 GLS 450 Questions
Hello. New to the MB world but looking at purchasing a loaded 450 with almost 60,000 miles. Anything I should be concerned about with these? I hear the engine is a good one? But is there any common issues with these? I’m in the Midwest where there’s salt and the vehicle spent its whole life in Florida, so that seems good.
Just wondering how long I should expect it to last and what issues that may come up down the road that may be large expenses.
Thanks for your advice
Just wondering how long I should expect it to last and what issues that may come up down the road that may be large expenses.
Thanks for your advice
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Joined: Sep 2018
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From: unbegrenzt
2017 GLE350 4MATIC
Hello. New to the MB world but looking at purchasing a loaded 450 with almost 60,000 miles. Anything I should be concerned about with these? I hear the engine is a good one? But is there any common issues with these? I’m in the Midwest where there’s salt and the vehicle spent its whole life in Florida, so that seems good.
Just wondering how long I should expect it to last and what issues that may come up down the road that may be large expenses.
Thanks for your advice
Just wondering how long I should expect it to last and what issues that may come up down the road that may be large expenses.
Thanks for your advice
Transmission is middling as is normal for MB. Change the oil now.
Air springs are regular maintenance items. 100k miles or thereabouts. Suspension level sendors can go bad.
Second row folding seat mechanism can be problematic, read this site.
Water leaks at A-pillars and liftgate area can wreak havoc on electronics, read this site.
Imo these should be capable of 200k miles if 100% of the maintenance is kept up with, hypervigilantly. However there are no 200k mile reports yet, that I am aware of, on this site.
Last edited by chassis; May 21, 2025 at 11:59 AM.
MBWorld God!
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Engine is good. 5k mile oil change intervals, check wiring harness for signs of oil, replace plastic tubes underhood before they break.
Transmission is middling as is normal for MB. Change the oil now.
Air springs are regular maintenance items. 100k miles or thereabouts. Suspension level sendors can go bad.
Second row folding seat mechanism can be problematic, read this site.
Water leaks at A-pillars and liftgate area can wreak havoc on electronics, read this site.
Imo these should be capable of 200k miles if 100% of the maintenance is kept up with, hypervigilantly. However there are no 200k mile reports yet, that I am aware of, on this site.
Transmission is middling as is normal for MB. Change the oil now.
Air springs are regular maintenance items. 100k miles or thereabouts. Suspension level sendors can go bad.
Second row folding seat mechanism can be problematic, read this site.
Water leaks at A-pillars and liftgate area can wreak havoc on electronics, read this site.
Imo these should be capable of 200k miles if 100% of the maintenance is kept up with, hypervigilantly. However there are no 200k mile reports yet, that I am aware of, on this site.
When buying the used vehicle, get a PPI (Pre-Purchase inspection).
The usual stuff, all mounts, condition of sparkplugs, injectors, camshaft adjusters, brake fluid, power steering fluid (if applicable), coolant, transmission fluid, front diff fluid, rear diff fluid, transfer case (the 3 mentioned, if 4MATIC otherwise just rear diff fluid), driveshaft hangers, engine and transmission mounts, alignment, wheel balancing, tires, brake pads, brake rotors, check condition of coils, oil change (analysis via Blackstone labs?, same goes with all the fluids)?, if equipped, airmatic system condition, 12v battery condition, aux battery condition, check timing chain, all belts and pulleys, check to make sure there is no oil in wiring harness (a common issue on certain MB engines that can get into the ECU, destroying it). I will add if I remember more.
