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Home >> Mercedes Benz >> 1994 >> S320 >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension - 140 Chassis >> Repair & Adjustments >> Technical modifications - Level control with ADS 140 Models 129. - RA3200129TA01X

Technical modifications - Level control with ADS 140 Models 129. - RA3200129TA01X

Model Description Modification and benefits Introduction Op. No.
129 Load factor switch Technical improvements have made the load-factor switch redundant. December 89 to July 90  
129 Pressure supply bolt on distribution valve 6-point Allen bolt replaced by hexagon bolt. September 90 (32-0630) 
32-0650
129 Front strut assemblies Clamp joint at strut/steering knuckle increased from 13.5 to 15 mm in diameter. M14 x 1.5 bolt torque specification: 200 Nm. February 92 32-0605
140 Rear damper valves Damper setting revised to combat knocking noises at the rear. July 92 32-0680
129 Damper valves Damper valves and hydraulic line routing revised at both front and rear. October 92 32-0680
129 ADS control unit Located in module box. Plug connector for Comfort/Sport selection deleted from wiring harness at the same time. October 92  
129 Fluid drain plug Modified drain plug on rear level controller. October 92 (32-0630) 
140       32-0670
140 Front ADS shock absorber units Optimized shock absorber production procedures for lower mount. May 93 32-0605
129
140
Wheel/body acceleration sensor Modified casing, interchangeable with earlier version. July 93 32-0600
129
140
Damper valves Modified damper valves:
Model 129: Front and rear.
Model 140: Rear.
Electrical wire connected directly to damper valve.
July 93 32-0680
140 Rear strut assemblies Upper strut mount bushing modified to suppress knocking noises. October 93 32-0610
140 Front ADS shock absorber units Electrical wire connected directly to damper valve. February 94 32-0605