奔驰座椅舒适系统（腰部支撑、多仿形座椅、行驶动态座椅、 按摩）的气动管路的维修 (Refer to GI91.25-P-011259)：LI91.25-P-049876

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摘要适用范围：所有带气动腰部支撑、多仿形座椅 或者行驶动态装置（特殊装备 (SA) 275、404、405、406、409、432、433、434）的车型系 列。投诉：气动舒适系统功率...
群辉宜修车依据LI91.25-P-049876重新编排的阅读图：按适用范围、投诉、原因和补救顺序核对，原通告完整页面随文保留。

本篇按原通告的适用范围、投诉、原因和补救顺序重新编排，便于维修时快速定位信息；具体数值、零件和操作要求可在文末保留的原始页面中逐项核对。

通告编号LI91.25-P-049876，版本2
功能组91.25 多仿形座椅（MKS）
日期2014-08-04
适用范围所有带气动腰部支撑、多仿形座椅 或者行驶动态装置（特殊装备 (SA) 275、404、405、406、409、432、433、434）的车型系 列

一、故障现象与投诉条件

气动舒适系统功率不足、功能不可用或泄漏

二、原通告列出的可能原因

气动管路弯折、磨破

三、检查与补救步骤

1. 检查气动管路的密封性和弯折处。（图 1）

3. 用连接件和备件插塞连接修理所涉及管路。（图 3）

，用连接件和备件管路材料修理管路中所涉及位置。（图 4）

提示：

通。

要时在边缘上或可能出现的磨蹭位置上粘贴毛毡。

• 管路材料可以根据长度需求从现有备件管路上截取。（图 6、图 7、图 8）

附件

文件 描述

Pic 1.JPG 气动管路中的弯折处

Pic 2.JPG 拆下气动管路中所涉及位置。

Pic 3.JPG 用连接件和备件插塞连接修理所涉及位置。

Pic 4.JPG 用连接件和备件管路材料修理所涉及位置。

Pic 5.JPG 将气动管路整个推到连接件上。

Pic 6.JPG 备件插塞连接概览

Pic 7.jpg 备件管路 A 221 800 20 15

Pic 8.jpg 备件管路 A 000 800 20 15

四、控制单元与故障代码

障文本

DSP-Pneumatic pump for dy-

namic seat (PFDS) (E (211),

R (251),GL (164),M (164),CLS

(219),S (220))

9251 Pressure loss was detected due to leakage.

DS-LF-Left front dynamic seat

(FDSVL) (S (220))

9258 Leak air at cushion of left seat-Inflatable cushion in shoulder area

((BAUREIHE@220))

DS-LF-Left front dynamic seat

(FDSVL2) (S (221),CL (216))

9259 Leakage at an air cushion-Air cushion for lateral support in right

upper leg area ((ECU_FDSVL2_DEF_FDS und Massage@aktiv,

(ECU1_DV_HEX@0002-ECU1_DV_HEX@0005)))

DS-LF-Left front dynamic seat

(FDSVL2) (S (221),CL (216))

9256 Leakage at an air cushion-Air cushion in left upper leg area

(((ECU1_DV_HEX@0002-ECU1_DV_HEX@0005)))

DS-LF-Left front dynamic seat

(FDSVL2) (S (221),CL (216))

9253 Leakage at an air cushion-Lumbar top (((ECU1_DV_HEX@0002-

ECU1_DV_HEX@0005)))

DS-LF-Left front dynamic seat

(FDSVL2) (S (221),CL (216))

9259 Leakage at an air cushion-Air cushion for lateral support in up-

per leg area (((ECU1_DV_HEX@0002-ECU1_DV_HEX@0005),

not(ECU_FDSVL2_DEF_FDS und Massage@aktiv)))

DS-LF-Left front dynamic seat

(FDSVL2) (S (221),CL (216))

9257 Leakage at an air cushion-Air cushion in right upper leg area

(((ECU1_DV_HEX@0002-ECU1_DV_HEX@0005)))

DS-LF-Left front dynamic seat

(FDSVL2) (S (221),CL (216))

9254 Leakage at an air cushion-Lumbar middle (((ECU1_DV_HEX@

0002-ECU1_DV_HEX@0005)))

DS-LF-Left front dynamic seat

(FDSVL2) (S (221),CL (216))

9250 Leakage at an air cushion-Inflatable cushion in shoulder area

(((ECU1_DV_HEX@0002-ECU1_DV_HEX@0005)))

DS-LF-Left front dynamic seat

(FDSVL2) (S (221),CL (216))

9258 Leakage at an air cushion-Air cushion for lateral support in left

upper leg area ((ECU_FDSVL2_DEF_FDS und Massage@aktiv,

(ECU1_DV_HEX@0002-ECU1_DV_HEX@0005)))

DS-LF-Left front dynamic seat

(FDSVL2) (S (221),CL (216))

9251 Leakage at an air cushion-Inflatable cushion for lateral support

(((ECU1_DV_HEX@0002-ECU1_DV_HEX@0005),not(ECU_

FDSVL2_DEF_FDS und Massage@aktiv)))

PSE-Pneumatic system equip-

ment (CL (215),SL (230),S

(220))

B1438 (013) Continuous cutoff of multicontour backrest: The safety time was

exceeded 5 times.

DS-LF-Left front dynamic seat

(FDSVL2) (S (221),CL (216))

9252 Leakage at an air cushion-Right air cushion for lateral support

((ECU_FDSVL2_DEF_FDS und Massage@aktiv,(ECU1_DV_

HEX@0002-ECU1_DV_HEX@0005)))

DS-LF-Left front dynamic seat

(FDSVL2) (S (221),CL (216))

9251 Leakage at an air cushion-Left air cushion for lateral support

((ECU_FDSVL2_DEF_FDS und Massage@aktiv,(ECU1_DV_

HEX@0002-ECU1_DV_HEX@0005)))

DS-LF-Left front dynamic seat

(FDSVL2) (S (221),CL (216))

9255 Leakage at an air cushion-Lumbar bottom (((ECU1_DV_HEX@

0002-ECU1_DV_HEX@0005)))

DS-RF-Right front dynamic se-

at (FDSVR) (E (211),R (251),

GL (164),M (164),CLS (219),S

(220))

9256 Leak air at cushion of right seat-Lumbar bottom

DS-RF-Right front dynamic se-

at (FDSVR) (E (211),R (251),

9251 Leak air at cushion of right seat-Right air cushion for lateral sup-

port

GL (164),M (164),CLS (219),S

(220))

DS-RF-Right front dynamic se-

at (FDSVR) (E (211),R (251),

GL (164),M (164),CLS (219),S

(220))

9254 Leak air at cushion of right seat-Lumbar top

DS-RF-Right front dynamic se-

at (FDSVR) (E (211),R (251),

GL (164),M (164),CLS (219),S

(220))

9250 Leak air at cushion of right seat-Left air cushion for lateral support

DS-RF-Right front dynamic se-

at (FDSVR) (S (220))

9258 Leak air at cushion of left seat-Inflatable cushion in shoulder area

((BAUREIHE@220))

DS-RF-Right front dynamic se-

at (FDSVR) (E (211),R (251),

GL (164),M (164),CLS (219),S

(220))

9258 Leak air at cushion of right seat-Seat cushion depth

DS-RF-Right front dynamic se-

at (FDSVR2) (S (221),CL (216)

)

9251 Leakage at an air cushion-Inflatable cushion for lateral support

(((ECU1_DV_HEX@0002-ECU1_DV_HEX@0005),not(ECU_

FDSVR2_DEF_FDS und Massage@aktiv)))

DSP-Pneumatic pump for dy-

namic seat (PFDS) (E (211),

R (251),GL (164),M (164),CLS

(219),S (220))

9250 Pressure build-up not possible due to a leak.

DS-RF-Right front dynamic se-

at (FDSVR2) (S (221),CL (216)

)

9255 Leakage at an air cushion-Lumbar bottom (((ECU1_DV_HEX@

0002-ECU1_DV_HEX@0005)))

DS-RF-Right front dynamic se-

at (FDSVR2) (S (221),CL (216)

)

9252 Leakage at an air cushion-Right air cushion for lateral support

((ECU_FDSVR2_DEF_FDS und Massage@aktiv,(ECU1_DV_

HEX@0002-ECU1_DV_HEX@0005)))

DS-RF-Right front dynamic se-

at (FDSVR2) (S (221),CL (216)

)

9259 Leakage at an air cushion-Air cushion for lateral support in right

upper leg area ((ECU_FDSVR2_DEF_FDS und Massage@aktiv,

(ECU1_DV_HEX@0002-ECU1_DV_HEX@0005)))

DS-RF-Right front dynamic se-

at (FDSVR2) (S (221),CL (216)

)

9251 Leakage at an air cushion-Left air cushion for lateral support

((ECU_FDSVR2_DEF_FDS und Massage@aktiv,(ECU1_DV_

HEX@0002-ECU1_DV_HEX@0005)))

DS-RF-Right front dynamic se-

at (FDSVR2) (S (221),CL (216)

)

9250 Leakage at an air cushion-Inflatable cushion in shoulder area

(((ECU1_DV_HEX@0002-ECU1_DV_HEX@0005)))

DS-RF-Right front dynamic se-

at (FDSVR2) (S (221),CL (216)

)

9259 Leakage at an air cushion-Air cushion for lateral support in up-

per leg area (((ECU1_DV_HEX@0002-ECU1_DV_HEX@0005),

not(ECU_FDSVR2_DEF_FDS und Massage@aktiv)))

DS-RF-Right front dynamic se-

at (FDSVR2) (S (221),CL (216)

)

9258 Leakage at an air cushion-Air cushion for lateral support in left

upper leg area ((ECU_FDSVR2_DEF_FDS und Massage@aktiv,

(ECU1_DV_HEX@0002-ECU1_DV_HEX@0005)))

DS-RF-Right front dynamic se-

at (FDSVR2) (S (221),CL (216)

)

9254 Leakage at an air cushion-Lumbar middle (((ECU1_DV_HEX@

0002-ECU1_DV_HEX@0005)))

DS-RF-Right front dynamic se-

at (FDSVR2) (S (221),CL (216)

)

9253 Leakage at an air cushion-Lumbar top (((ECU1_DV_HEX@0002-

ECU1_DV_HEX@0005)))

DS-RF-Right front dynamic se-

at (FDSVR2) (S (221),CL (216)

)

9256 Leakage at an air cushion-Air cushion in left upper leg area

(((ECU1_DV_HEX@0002-ECU1_DV_HEX@0005)))

PSE-Pneumatic system equip-

ment (CL (215),SL (230),S

(220))

B1438 (012) The safety time has been exceeded for the following pneumatic

branch:Multicontour backrest

DS-RF-Right front dynamic se-

at (FDSVR2) (S (221),CL (216)

)

9257 Leakage at an air cushion-Air cushion in right upper leg area

(((ECU1_DV_HEX@0002-ECU1_DV_HEX@0005)))

DS-LF-Left front dynamic se-

at (FDSVL) (E (211),R (251),

GL (164),M (164),CLS (219),S

(220))

9251 Leak air at cushion of left seat-Right air cushion for lateral sup-

port

DS-LF-Left front dynamic se-

at (FDSVL) (E (211),R (251),

GL (164),M (164),CLS (219),S

(220))

9256 Leak air at cushion of left seat-Lumbar bottom

DS-LF-Left front dynamic se-

at (FDSVL) (E (211),R (251),

GL (164),M (164),CLS (219),S

(220))

9258 Leak air at cushion of left seat-Seat cushion depth

DS-LF-Left front dynamic se-

at (FDSVL) (E (211),R (251),

GL (164),M (164),CLS (219),S

(220))

9250 Leak air at cushion of left seat-Left air cushion for lateral support

DS-LF-Left front dynamic se-

at (FDSVL) (E (211),R (251),

GL (164),M (164),CLS (219),S

(220))

9254 Leak air at cushion of left seat-Lumbar top

五、零件、操作与WIS参考

零件信息

零件号 ES1 ES2 名称 数量 提示 EPC

A0069972389 连接件 1 用于管路直径 6mm

A0069974189 备件插塞连接 1 带管路（约 200 mm），管路直径 6

mm

X

A0069974089 备件插塞连接 1 带管路（约 200 mm），管路直径 6

mm

X

A0069973989 备件插塞连接 1 带管路（约 200 mm），管路直径 6

mm）

X

A0069973889 备件插塞连接 1 带管路（约 200 mm），管路直径 6

mm

X

A0069973789 备件插塞连接 1 带管路（约 200 mm），管路直径 6

mm

X

A0069973689 备件插塞连接 1 带管路（约 200 mm），管路直径 6

mm

X

A0008002015 备件管路 1 管路直径 6mm X

A2218002015 备件管路 1 管路直径 6mm X

管路 1 X

操作号与损坏代码

容 时间 损坏代码 提示

相应适用的损坏代码可根据所处理的

车型系列获取

6、原始TIPS通告页面

以下完整保留5页原通告。若页面提到的图片、声音或其他附件没有包含在当前PDF中，本文不自行补画或代替附件内容。

LI91.25-P-049876原通告第1页：投诉与适用范围、可能原因、补救步骤。
LI91.25-P-049876原通告第2页：故障代码。
LI91.25-P-049876原通告第3页：通告内容续页。
LI91.25-P-049876原通告第4页：零件信息。
LI91.25-P-049876原通告第5页：操作与损坏代码。

7、适用边界

本案例只覆盖上述适用范围和通告所述故障情形。维修前应核对VIN、生产日期、发动机或控制单元版本及当前故障记录；现象或检查结果不一致时，应继续按对应车辆的Xentry引导测试和WIS流程诊断。

本文依据奔驰相关技术资料进行归纳与重新编排，文中技术示意图均由群辉宜修车重新绘制，原通告页面作为资料对照保留。不同车型、年款及配置可能存在差异，具体参数与维修步骤请以对应车辆的最新厂家维修文件、诊断仪提示及实车测量结果为准。

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肖师傅
  • 本文由 肖师傅 发表于2026年8月10日 22:52:43
  • 转载请务必保留本文链接：https://www.qhyxc.com/archives/599271
  • 91.25 多仿形座椅（MKS）
  • LI91.25-P-049876
  • XENTRY TIPS
  • 奔驰

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