ML350 (W166) DOOR ACTUATOR needs replacing

Aug 26, 2023 | 08:54 AM

RatherBeSailing

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ML350 W166 2015

ML350 (W166) DOOR ACTUATOR needs replacing

The right rear door actuator on my 2015 ML350 needs replacing. Can this be easily done as a DIY? Has anyone ever successfully done this that you could offer some tips? About how long did it take you? Where did you order the part? Dealership is quoting $740 (part =$270 +2hrs labor -$470). A week ago door started making a machine gun sound every time the car doors lock or unlock.

Last edited by RatherBeSailing; Aug 26, 2023 at 08:56 AM. Reason: Typos

Aug 26, 2023 | 05:39 PM

mike919

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Joined: Mar 2014

Posts: 170

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From: Toronto, ON

86 190E 2.3, 2014 ML350 Bluetec

Aug 27, 2023 | 08:55 AM

RatherBeSailing

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ML350 W166 2015

Thank you for posting this.

Jun 19, 2024 | 06:14 PM

AeroRamer

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2015 ML350 W166

How did it go with the repair?

Quote:

Originally Posted by RatherBeSailing

Dealership is quoting $740 (part =$270 +2hrs labor -$470). A week ago door started making a machine gun sound every time the car doors lock or unlock.

OMG! That is a deal compared to the estimate I received today! Sad LOL. The estimate for my 2015 ML350 is for $1969.40 [$704.00 parts, $1128.00 labor, $137 tax]. But that is for both left and right read door lock actuators.

Questions:
1. Did you only have one bad or both?
2. Was it just noise in your case or was the door lock not locking?
3. Did you do DIY? How was it?

In my case the lock moves up and down but you can still open the door when the lock is in the lock (down) position. No abnormal noises.