Mercedes-Benz Archives - The Jam Journal

2016 W212 OM651 Thermostat / Waterpump Replacement (Guide / How To)

James3 days ago3 days ago08 mins

In its continued fashion, this car has been fighting against me and this time the thermostat housing has cracked and the water pump is leaking through the bearing. When I replaced the AC compressor, belt tensioner and drive belt I told myself the water pump would be next – maybe the new belt tensioner was too much for a water pump bearing that had covered 384,000 miles. Also replacing the header tank / coolant bottle and cap, as it’s getting old and I can no longer see the level very easily.

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2016 W212 OM651 Aircon Compressor Failure / Replacement / Stripdown

James4 weeks ago4 weeks ago16 mins

Intro This one went out with a bang, literally. Was parked idling and the whole car shook – initially I thought that I had been crashed into! I got out and checked underneath but couldn’t see anything obvious. A moment after getting back in, smoke started pouring from under the bonnet. The air conditioning compressor…

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OM642 (W212) Oil Cooler Replacement – Diagrams / Part Numbers

James4 months ago4 months ago04 mins

Having recently done an oil cooler on an OM642 engine, here’s a quick run down of the parts required. Most gaskets are one use only and is best to have everything as stripping down again is a pain. Based on a 2014 W212, other models or older variants of the engine may be slightly differently,…

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W212 S212 E Class Common Problems

James1 year ago1 year ago011 mins

As I’ve experienced the 212 now for a number of years, here’s a compiled list of common problems and a minor insight into them. Based upon my experience at an independent specialist + forums / Facebook. If you can add to the list, please comment and will happily add to it.

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What Oil Should I Put In My W212 E-Class

James3 years ago4 months ago13 mins

Introduction When it comes to oil, its a bit of slippery slope if you just put anything in. By not using the correct oil the most probable future problem is carbon build up, probably in the exhaust/DPF, maybe in the EGR system or in the inlet manifold. Using the right oil (at the right intervals)…

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W212 ECO Stop/Start & Additional Battery

James3 years ago4 months ago05 mins

Introduction I’ve heard & read a lot about how people think the ECO Stop / Start & additional battery works and it’s time to set the record straight. I think that the most common misconception around this is, that it is this battery restarts the engine once its stopped. It doesn’t. Glad I’ve cleared that…

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W212 OM651 E220 Coolant Leak – Fuel Filter Housing – Common Problem

James3 years ago4 months ago04 mins

Whilst this problem is not just limited to the E Class, it is certainly a common problem on the OM651 engine.

Many a time we come across the customer complaint of coolant light coming on, but no obvious leak. There are a few usual suspects, namely the coolant pump or thermostat housing, but one of the more common ones was to find the leak coming from the fuel filter housing.

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2016 W212 OM651 E-Class Now Up to 350,000 Miles / 7 Years Old – What’s gone on

James3 years ago1 month ago05 mins

3 years a go I posted this: Running A 2016 W212 M651 E-Class Up to 300,000 Miles / 4 Years Old – What’s It Like. This post mainly was about the life it had in previous ownership, however the last three years have been my use. My use of this car was always going to…

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2015 W212 E-Class OM651 Air filter Replacement (Low MPG)

James3 years ago2 years ago04 mins

On a whole since i had a engine ECU software update back little while ago (was done as part of NOX sensor replacement procedure) its not been so great. From what I read on FB groups it seems to be “a thing”. The gist is that

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W212 Facelift Headlamp Lens Replacement

James5 years ago4 months ago04 mins

A light knock on the headlamp can result in a cracked lens – this is not good with modern headlamps as the electronics inside will get wet and eventually lead to failure of the control units and / or the actual lamp itself. As an example, in the case of the W212 facelift with option…

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W212 E-Class & Apple CarPlay / Android Auto

James6 years ago4 months ago110 mins

Most of you have probably come from the Facebook W212 Owners Club group interested in getting Apple Car-Play / Android-Auto working on your W212 E-Class, especially that i noted that i got it all working for free, which is true, however probably won’t be for most people. Although with the help of this info I’m pretty sure that ANY independent Mercedes specialist (with the right diagnostics equipment) or dealer for that fact will be able to get it working on the vehicles that have the right hardware already installed in the car. (And hopefully i can guide you to a solution if it can’t be done on the hardware you have).

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Running A 2016 W212 M651 E-Class Up to 300,000 Miles / 4 Years Old – What’s It Like

James6 years ago6 years ago17 mins

This particular car is one I’ve recently purchased, its now on 310,000 miles, I’ve had it since around 308,000. I purchased from a chauffeur, my work has done every single service & defect repair. Its a 2016, W212 Facelift, SE Premium, Standard Suspension, Obsidian Black, M651 Engine. Its worth noting that there are many different options.

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