Mercedes-Benz Forum - View Single Post - Daimler say 2013-2015 GLK250s have fault
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post #9 of (permalink) Old 09-21-2018, 01:59 PM Thread Starter
MBGraham
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Date registered: Oct 2006
Vehicle: '72 350SL, '85 300D, '98 E320, '19 Subaru Outback (sold '14 GLK250)
Location: Ont, Canada
Posts: 9,622
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(Thread Starter)
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:

Quote:
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.

Last edited by MBGraham; 09-21-2018 at 02:05 PM.
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