torque specs for control arms/sway bar links
Thread Starter
Junior Member
Joined: Jul 2017
Posts: 21
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GLK 350
torque specs for control arms/sway bar links
I am going to be replacing my upper control arms and sway bar links for my GLK350 soon and I cant find the torque settings anywhere. Can anyone point me in the right direction?
Super Member
Joined: Feb 2007
Posts: 809
Likes: 74
From: Dallas, TX
2008 E63 wagon (1 of 62)
upper control arms on a GLK?? Do you mean the lower control arm or thrust arm? Your car should not have an upper control arm.
First is your vehicle RWD or 4matic? Also, remember that any time you tighten/torque a bolt at the subframe for one of the control arm bushings, you need to have the vehicle at normal ride height with the weight of the vehicle on the suspension (on the ground, not on jack stands or a lift).
(RWD) Lower control arm (cross strut) to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Lower control arm (cross strut) to subframe M14x120 = 120Nm + 180 degrees
(RWD) Lower control arm to spindle = 50Nm + 60 degrees
(4matic) Lower control arm to spindle = 50Nm + 90 degrees
(RWD) Torque strut to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Torque strut to subframe M14x120 = 120Nm + 180 degrees
(RWD) Torque strut to spindle = 50Nm + 60 degrees
(4matic) Torque strut to spindle = 50Nm + 90 degrees
Front sway bar link to sway bar = 98Nm
Front sway bar to strut = 98Nm
First is your vehicle RWD or 4matic? Also, remember that any time you tighten/torque a bolt at the subframe for one of the control arm bushings, you need to have the vehicle at normal ride height with the weight of the vehicle on the suspension (on the ground, not on jack stands or a lift).
(RWD) Lower control arm (cross strut) to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Lower control arm (cross strut) to subframe M14x120 = 120Nm + 180 degrees
(RWD) Lower control arm to spindle = 50Nm + 60 degrees
(4matic) Lower control arm to spindle = 50Nm + 90 degrees
(RWD) Torque strut to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Torque strut to subframe M14x120 = 120Nm + 180 degrees
(RWD) Torque strut to spindle = 50Nm + 60 degrees
(4matic) Torque strut to spindle = 50Nm + 90 degrees
Front sway bar link to sway bar = 98Nm
Front sway bar to strut = 98Nm
Last edited by Racin_fool; Feb 1, 2018 at 11:34 AM.
Thread Starter
Junior Member
Joined: Jul 2017
Posts: 21
Likes: 0
GLK 350
upper control arms on a GLK?? Do you mean the lower control arm or thrust arm? Your car should not have an upper control arm.
First is your vehicle RWD or 4matic? Also, remember that any time you tighten/torque a bolt at the subframe for one of the control arm bushings, you need to have the vehicle at normal ride height with the weight of the vehicle on the suspension (on the ground, not on jack stands or a lift).
(RWD) Lower control arm (cross strut) to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Lower control arm (cross strut) to subframe M14x120 = 120Nm + 180 degrees
(RWD) Lower control arm to spindle = 50Nm + 60 degrees
(4matic) Lower control arm to spindle = 50Nm + 90 degrees
(RWD) Torque strut to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Torque strut to subframe M14x120 = 120Nm + 180 degrees
(RWD) Torque strut to spindle = 50Nm + 60 degrees
(4matic) Torque strut to spindle = 50Nm + 90 degrees
Front sway bar link to sway bar = 98Nm
Front sway bar to strut = 98Nm
First is your vehicle RWD or 4matic? Also, remember that any time you tighten/torque a bolt at the subframe for one of the control arm bushings, you need to have the vehicle at normal ride height with the weight of the vehicle on the suspension (on the ground, not on jack stands or a lift).
(RWD) Lower control arm (cross strut) to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Lower control arm (cross strut) to subframe M14x120 = 120Nm + 180 degrees
(RWD) Lower control arm to spindle = 50Nm + 60 degrees
(4matic) Lower control arm to spindle = 50Nm + 90 degrees
(RWD) Torque strut to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Torque strut to subframe M14x120 = 120Nm + 180 degrees
(RWD) Torque strut to spindle = 50Nm + 60 degrees
(4matic) Torque strut to spindle = 50Nm + 90 degrees
Front sway bar link to sway bar = 98Nm
Front sway bar to strut = 98Nm
Super Member
Joined: Feb 2007
Posts: 809
Likes: 74
From: Dallas, TX
2008 E63 wagon (1 of 62)
yeah, Mercedes WIS and parts and service departments call them all sorts of different things.. Most common is the Thrust arm or torque strut, which is the one going forward from the spindle to the front of the front subframe. The lower control arm is also called a cross strut or spring link depending on who you are talking to, and that is the arm going from the spindle to the center of the front subframe.
Thread Starter
Junior Member
Joined: Jul 2017
Posts: 21
Likes: 0
GLK 350
yeah, Mercedes WIS and parts and service departments call them all sorts of different things.. Most common is the Thrust arm or torque strut, which is the one going forward from the spindle to the front of the front subframe. The lower control arm is also called a cross strut or spring link depending on who you are talking to, and that is the arm going from the spindle to the center of the front subframe.
Thread Starter
Junior Member
Joined: Jul 2017
Posts: 21
Likes: 0
GLK 350
upper control arms on a GLK?? Do you mean the lower control arm or thrust arm? Your car should not have an upper control arm.
First is your vehicle RWD or 4matic? Also, remember that any time you tighten/torque a bolt at the subframe for one of the control arm bushings, you need to have the vehicle at normal ride height with the weight of the vehicle on the suspension (on the ground, not on jack stands or a lift).
(RWD) Lower control arm (cross strut) to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Lower control arm (cross strut) to subframe M14x120 = 120Nm + 180 degrees
(RWD) Lower control arm to spindle = 50Nm + 60 degrees
(4matic) Lower control arm to spindle = 50Nm + 90 degrees
(RWD) Torque strut to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Torque strut to subframe M14x120 = 120Nm + 180 degrees
(RWD) Torque strut to spindle = 50Nm + 60 degrees
(4matic) Torque strut to spindle = 50Nm + 90 degrees
Front sway bar link to sway bar = 98Nm
Front sway bar to strut = 98Nm
First is your vehicle RWD or 4matic? Also, remember that any time you tighten/torque a bolt at the subframe for one of the control arm bushings, you need to have the vehicle at normal ride height with the weight of the vehicle on the suspension (on the ground, not on jack stands or a lift).
(RWD) Lower control arm (cross strut) to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Lower control arm (cross strut) to subframe M14x120 = 120Nm + 180 degrees
(RWD) Lower control arm to spindle = 50Nm + 60 degrees
(4matic) Lower control arm to spindle = 50Nm + 90 degrees
(RWD) Torque strut to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Torque strut to subframe M14x120 = 120Nm + 180 degrees
(RWD) Torque strut to spindle = 50Nm + 60 degrees
(4matic) Torque strut to spindle = 50Nm + 90 degrees
Front sway bar link to sway bar = 98Nm
Front sway bar to strut = 98Nm
Super Member
Joined: Feb 2007
Posts: 809
Likes: 74
From: Dallas, TX
2008 E63 wagon (1 of 62)
The axle bolt to the front spindle is in the following steps:
#1 - Torque to 160Nm
#2 - Loosen 180 degrees
#3 - Torque to 120Nm
#4 - Tighten an additional 90 degrees
if you have any more questions, just send me a private message on here. I almost missed this one, sorry.
#1 - Torque to 160Nm
#2 - Loosen 180 degrees
#3 - Torque to 120Nm
#4 - Tighten an additional 90 degrees
if you have any more questions, just send me a private message on here. I almost missed this one, sorry.
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Junior Member
Joined: Jan 2015
Posts: 16
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2013 ML350 DIESEL
upper control arms on a GLK?? Do you mean the lower control arm or thrust arm? Your car should not have an upper control arm.
First is your vehicle RWD or 4matic? Also, remember that any time you tighten/torque a bolt at the subframe for one of the control arm bushings, you need to have the vehicle at normal ride height with the weight of the vehicle on the suspension (on the ground, not on jack stands or a lift).
(RWD) Lower control arm (cross strut) to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Lower control arm (cross strut) to subframe M14x120 = 120Nm + 180 degrees
(RWD) Lower control arm to spindle = 50Nm + 60 degrees
(4matic) Lower control arm to spindle = 50Nm + 90 degrees
(RWD) Torque strut to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Torque strut to subframe M14x120 = 120Nm + 180 degrees
(RWD) Torque strut to spindle = 50Nm + 60 degrees
(4matic) Torque strut to spindle = 50Nm + 90 degrees
Front sway bar link to sway bar = 98Nm
Front sway bar to strut = 98Nm
First is your vehicle RWD or 4matic? Also, remember that any time you tighten/torque a bolt at the subframe for one of the control arm bushings, you need to have the vehicle at normal ride height with the weight of the vehicle on the suspension (on the ground, not on jack stands or a lift).
(RWD) Lower control arm (cross strut) to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Lower control arm (cross strut) to subframe M14x120 = 120Nm + 180 degrees
(RWD) Lower control arm to spindle = 50Nm + 60 degrees
(4matic) Lower control arm to spindle = 50Nm + 90 degrees
(RWD) Torque strut to subframe M14x115 = 80Nm + 120 degrees
(RWD & 4matic) Torque strut to subframe M14x120 = 120Nm + 180 degrees
(RWD) Torque strut to spindle = 50Nm + 60 degrees
(4matic) Torque strut to spindle = 50Nm + 90 degrees
Front sway bar link to sway bar = 98Nm
Front sway bar to strut = 98Nm
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