2012 Mercedes Benz GL166

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 10167564Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement.
• 10167563The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after interrupting the power supply (circuit 30).
• 10167546FC 2783 (Friction power of torque converter lockup clutch is too high) or FC 0741 (Actuation of torque converter lockup clutch not possible) stored in transmission control unit. One possible additional customer complaint could be "poor acceleration" e.g. due to engine intervention. This can affect all NAT2FE+ (7G-TRONIC PLUS) vehicles with engines OM651, OM642LS and M278 in the production period from 04/2011 to 02/2012 and with more than 10,000 km. The two fault codes can also occur in combination with rpm sensor faults (see also GI27.50-P-035556). The rpm sensor fault is not connected with this complaint.
• 10167487Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278. 1. Left cylinder head: Oil passage plug hole on left beside mechanical vacuum pump. 2. Right cylinder head: Oil passage plug hole below high-pressure pump housing.
• 10167040This Service Campaign has been initiated because Daimler AG (DAG), the manufacturer of Mercedes-Benz vehicles, has determined that the mbrace software does not correspond to current production configuration. An authorized Mercedes-Benz dealer will update the mbrace control module software at the next workshop visit.
• 10167019Blind Spot Assist inoperative.
• 10166976Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual"
• 10166975This Customer 1 Action has been initiated because certain mbrace subscribers were recently contacted by mbrace informing them that they need to have an i-button call performed to ensure their mbrace device has registered with the Verizon Telematics systems. If the i-button call failed or if the customer was unable to perform the i-button call, the mbrace agent instructed the customer to make an appointment with their dealer to have the issue corrected and/or i-button call performed. The vehicles impacted range from model year 2002 to 2014.
• 10166097Electric motor for the folding rear backrest of the 3rd seat row is inoperative or makes noises during adjustment
• 10166096The release loop of the Easy Entry seat in the 2nd seat row is awkward to operate as it is difficult to access
• 10164811Throttle lift-off clunking noises at drive shafts of rear axle
• 10158401Fault message "AIRMATIC" or "Active Curve System" in instrument cluster
• 10158398Height adjustment of electric steering column adjustment sticks at top end stop
• 10158290Squeaking noises from area of front axle brake
• 10158278Distronic distance control - alleged arbitrary intervention
• 10158269COMAND Online: After map update is aborted, navigation no longer functions
• 10158267COMAND Online: Some contacts on the telephone are not found via voice control.
• 10158256BR166 and BR292 - Vehicle does not start, battery discharged.
• 10158250Garmin MAP PILOT: Traffic information service and possibly voice control inoperative after navigation software update using Download Manager version 2.0.29 or 2.0.30
• 10157101Fault message "AIRMATIC" or "Active Curve System" in instrument cluster
• 10157098Instrument cluster: HOLD indicator continues to be lit for a few seconds although the vehicle is moving
• 10157089Fault message "AIRMATIC" or "Active Curve System" in instrument cluster
• 10157074Vehicle does not start, battery discharged.
• 10157062Squeaking noises from area of front axle brake
• 10157051Service: Service display implausible
• 10144090Odor in passenger compartment
• 10144082Plug-in hybrid fuel filler flap will not open
• 10144076166 and 463 with NAG2 harsh 4-3 downshift
• 10136100Running board illumination inoperative
• 10136082Automatic emergency call triggered for no obvious reason
• 10136074Garmin MAP PILOT: General information in the event of complaints
• 10136067Odor from the air conditioning
• 10136065Garmin MAP PILOT: Notes on voice input
• 10136063Rattling noises in area of 2-stage turbocharger, OM651
• 10136062Vehicle wanders to the left or right.
• 10136035Complaints about poor wiping effect of winshield wiper
• 10136029SENTEX gate operator with Clik Card Remote not compatible with Homelink
• 10136026Procedure in case of slight oil traces on TRANSMISSION 722.9
• 10136024Squeaking noise from top of B-pillar when raising and lowering front door side window
• 10136020Procedure in case of slight oil traces on TRANSMISSION 722.9

Every Mercedes Benz GL166 model year

Bars are owner complaints, dots mark years with recalls. Select a year to open its report.