Mercedes-Benz Forum banner

Daimler say 2013-2015 GLK250s have fault

26K views 17 replies 9 participants last post by  Schustie  
#1 ·
Received letter today from MB Canada.

Says Daimler knows that soot particulate sensor may fail, cause check engine light which will then prevent system from monitoring for other failures.

They are not offering a recall. Just extending warranty on sensor to 10 years (Emission parts are usually 8years anyway)

Seems to me they should have a recall if they know the sensors are faulty.
 
#2 ·
Hello MBGraham,

I received the same letter yesterday. My opinion is that not due to a potential sensor failure as much as they claimed but may be to protect themselfs of legal pursuit due to the diesel gate. I might be wrong...just an opinion...

Unless it changed, recalls (done by Canada gov.) are only for security purposes that could be a threat to the driver or others such fire due to faulty electrical plug, etc.

Unclebenz
 
#17 ·
Just brought my 2013 GLK to a dealership in Calgary and they are fixing the redundant heater under warranty. I can’t believe how finicky and expensive this emissions system is. It would have been $3000.00 to fix this not under warranty and no way in hell would I have paid that. Really love this little SUV but this emission stuff is a major flaw.
 
#3 ·
I would think that issues concerning malfunction of emission system should also require a mandatory recall. Maybe by a different government agency.

MB say this is a voluntary recall (IOW, they don't have to do it).

When I received the letter, I hoped it might be to announce a buy back of the GLK like my neighbour got from VW :)
 
#4 ·
...I hoped it might be to announce a buy back of the GLK like my neighbour got from VW :)
Buy back? Not sure that it will come. They reassured me (directly from MB of Canada) that they meet and exceed gov regulations for diesel. Up to now, as much as I understand, no country have done a legal pursuit against them. What do believe on your side?

Personally, I am very satisfied of my GLK 250. On highways it can go down as low as 5.6L/100 km. This is very good for the weight with the 4Matic!
 
#8 ·
One thing I am not clear about, is the warranty on the emission system. In one place it says just 2 years except for certain components. In another it says 8 years. Does anyone know exactly what is covered here in Canada? I have asked MBCanada but still waiting for response.
 
#9 · (Edited)
I spoke/texted with two people from MBCanada and didn't get an answer on what emission items are covered by the warranty. However, Google found this site (see warranty guide) with the following information, that may even be in our glove box:

Mercedes-Benz Emission Related Components MY 2014 -
BlueTEC Diesel Engine with Diesel Exhaust Fluid (DEF)1
I. Air Induction System
Air Cleaner Housing
Intake Port Shutoff
Electric Intake Air Throttle (with Throttle Valve Step)
Charge Air Cooler
Turbocharger
Charge Air Distribution Line
II. Fuel Metering System
Fuel Rail
Fuel Injector
Fuel Filter
High Pressure Pump
Fuel Pump (Electric)
Fuel Rail Pressure Sensor
Fuel Pressure Regulator
III. Ignition System
Glow Plug
Glow Time Control Module
IV. Exhaust Gas Recircltn Sys.
EGR Valve
EGR Cooler
EGR Line
V. Positive Crankcase Ventilation
Crankcase Ventilation Valve/Line
Oil Filler Cap
VI. Fuel Evaporative Control
Fuel Filler Neck (without Expansion Tank)
Fuel Tank (with Integrated Vent Valve and Fill Neck)
Fuel Tank Vent Valve
VII. Exhaust / Diesel Exhaust Fluid (DEF) System
Exhaust Manifold
DEF Delivery Pump (with Pressure Sensor)
DEF Injection Valve
DEF Tank (with Temperature Sensor and Fluid Level
Gauge)
Diesel Oxidation Catalyst (and/or Diesel Particulate
Filter*)
Selective Catalytic Reduction Catalyst*
DEF Line
VIII. Eng. Emiss. Control Sys. Sens.
Engine Control Module *
Transmission Control Module
02 Sensors
Engine Coolant Temperature Sensor
Charge Air Pressure Sensor
Manifold Air Pressure Sensor
Crankshaft Position Sensor
Camshaft Position Sensor
Front Vehicle Speed Sensor
Rear Vehicle Speed Sensor
Charge Air Temperature Sensor
Exhaust Back Pressure Sensor
Exhaust Differential Pressure Sensor
Heated Cooling Water Thermostat
Exhaust Gas Temperature Sensor
Mass Airflow Sensor (with Integrated Intake Air
Temperature Sensor)
DEF Control Module
Fuel Temperature Sensor
NOx Sensor
Particulate Matter Sensor
IX. On-Board Diagnostics
Instrument Cluster *

1 - If applicable to this model.

* These items are warranted for 8 years/130,000
km (whichever comes first); all other parts are
warranted for 2 years / 40,000 km (whichever
comes first).
So basically, most of the emission system is not even covered by the standard 4yr warranty nor the extended warranty that I paid for.

Considering the complexity of the Bluetec emission system and the fact that it does not even work in a good part of the temperatures we experience, it bothers me that our car no longer has any warranty of some very expensive parts.
 
#13 ·
Some of info upthread I posted was not accurate.

In Canada, the new car warranty on emissions is 4 yrs, not 2 as stated in warranty booklet.

Extended Limited Warranty cover certain Adblue items. Hiwever, sensors may or may not be covered. Dealer says they are, MB say no, unless dealer gets agreement from Warranty department? No way for owner to know exactly.
 
#14 ·
Hello , I had a check engine light on and they changed a soot sensor on warranty .... My warranty goes out next week ..I bought the '15 GLK 250 bluetec used am I have been to the dealer 2 times in 1 month ...I'm hoping this is not a sign of things to come .

Vince
 
#18 ·
Greetings all,
I just spoke with my local Dealership (Oregon) and the Service Dept. told me MB would be sending out letters to owners for the repair of the Particulate Filter Sensor. Curious if anyone else has heard an update on this issue as well?
Thanks in advance.
Eric