The manufacturer’s record · Page 3 of 3

2021 Mercedes-Benz GLC 300
Manufacturer communications & TSBs.Page 3

Original record summaries, dates and identifiers for this model-year. Records 201–212 of 212, ordered newest first. Dated records on this page: Jul 30, 2013–Feb 22, 2021.

Back to 2021 Mercedes-Benz GLC 300 problems & recalls
Read the applicability before drawing a conclusion.

This archive includes service bulletins, warranty notices, software instructions and other communications. Records may repeat or supersede earlier instructions. A model-year association is not proof that a document covers every engine, trim, VIN or reported symptom, or that a repair is free.

NHTSA download snapshot: Sep 28, 2026. These are communication associations for this vehicle, not unique defects. How records are joined and counted.

Feb 22, 2021Service Bulletin/Repair Instructions

LI82.27-P-072402

NHTSA communication ID: 10189406

NHTSA source summary · Original PDF not reviewed by Recallfolio

If the exhaust flap is operated or the drive program is changed within 10 seconds of the engine being started, an audible humming noise may emit from the speakers. New sound amp (N40/3) software is currently in development. This document will be updated once it is released. Meanwhile, avoid toggling the drive program or the exhaust flap with 10 seconds of an engine start to avoid the possibility of the complaint occurring. Note: Do not replace any parts as this will not remedy the complaint

Source components: BACK OVER PREVENTION.

Source record 10189406 at NHTSA
Jan 4, 2021Service Bulletin/Repair Instructions

LI82.85-P-069381

NHTSA communication ID: 10187785

NHTSA source summary · Original PDF not reviewed by Recallfolio

The following complaints may be noted by the customer: - The MBUX multimedia system (A26/17) starts route guidance without user input and does not provide any audio notification. - The MBUX multimedia system (A26/17) does not give any spoken or visual driving instructions. Only the destination information and the current route are shown in the MBUX multimedia system (A26/17)

Source components: COMMUNICATION · ELECTRICAL SYSTEM · EQUIPMENT.

Source record 10187785 at NHTSA
Jan 4, 2021Service Bulletin/Repair Instructions

LI83.20-P-072178

NHTSA communication ID: 10187784

NHTSA source summary · Original PDF not reviewed by Recallfolio

The customer complains that when the ignition is switched on, pulsating buzzing noises which fluctuate in volume can be heard coming from the area of the instrument panel or the driver's footwell.

Source components: ELECTRICAL SYSTEM · EQUIPMENT.

Source record 10187784 at NHTSA
Nov 29, 2016Service Bulletin/Repair Instructions

LI8285P0633424

NHTSA communication ID: 10205242

NHTSA source summary · Original PDF not reviewed by Recallfolio

Navigation system permanently displays "Activating".

Source components: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM).

Source record 10205242 at NHTSA
Aug 29, 2016Service Bulletin/Repair Instructions

LI8285P0602587

NHTSA communication ID: 10205240

NHTSA source summary · Original PDF not reviewed by Recallfolio

Reset the customer-specific data and perform a software update of the AUDIO20 control unit.

Source components: EQUIPMENT:ELECTRICAL.

Source record 10205240 at NHTSA
Aug 25, 2016Service Bulletin/Repair Instructions

LI8285P0647651

NHTSA communication ID: 10205247

NHTSA source summary · Original PDF not reviewed by Recallfolio

Traffic information service and posibly the voice control, nonfunctional after navigation software update.

Source components: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM).

Source record 10205247 at NHTSA
Aug 25, 2016Service Bulletin/Repair Instructions

LI8285P0633423

NHTSA communication ID: 10205241

NHTSA source summary · Original PDF not reviewed by Recallfolio

Navigation system permanently displays "Activating".

Source components: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM).

Source record 10205241 at NHTSA
Aug 15, 2016Service Bulletin/Repair Instructions

LI8260P0646761

NHTSA communication ID: 10205230

NHTSA source summary · Original PDF not reviewed by Recallfolio

CD/DVD No longer ejected or drawn in.

Source components: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC..

Source record 10205230 at NHTSA
Aug 11, 2016Service Bulletin/Repair Instructions

LI8370P0644803

NHTSA communication ID: 10205252

NHTSA source summary · Original PDF not reviewed by Recallfolio

High voltage battery warning message in instrument cluster.

Source components: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL.

Source record 10205252 at NHTSA
Aug 5, 2016Service Bulletin/Repair Instructions

LI1830P0597123

NHTSA communication ID: 10205154

NHTSA source summary · Original PDF not reviewed by Recallfolio

Gasket may settle causing a slight oil leak.

Source components: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SEALS/GASKETS · UNKNOWN OR OTHER.

Source record 10205154 at NHTSA
Aug 1, 2016Service Bulletin/Repair Instructions

LI8210P0638372

NHTSA communication ID: 10205222

NHTSA source summary · Original PDF not reviewed by Recallfolio

Operation complaints for LED headlamps.

Source components: EXTERIOR LIGHTING:HEADLIGHTS.

Source record 10205222 at NHTSA
Jul 30, 2013Service Bulletin/Repair Instructions

LI7220P056907

NHTSA communication ID: 10205214

NHTSA source summary · Original PDF not reviewed by Recallfolio

Noises when opening and closing automatic liftgate.

Source components: STRUCTURE:BODY:HATCHBACK/LIFTGATE · STRUCTURE:BODY:TAILGATE · STRUCTURE:BODY:TRUNK LID · UNKNOWN OR OTHER.

Source record 10205214 at NHTSA